Water Right Application 29408 and ... Petition WW-6 of the City ...
by user
Comments
Transcript
Water Right Application 29408 and ... Petition WW-6 of the City ...
I \ Water Right Application 29408 and Wastewater Change Petition WW-6 of the City of Thousand Oaks and Findings Regarding Availability of Wa&r for Appropriation under Water Right Applications 29816,29819,29829,29581, 29959,30037,30092 and 30194 hi ,. Decision No. 1638 Arroyo Conejo, Conejs Creek and Calleguas Creek Ventura County September 1997 STATE WATER RESOURCES CONTROL BOARD CALIFORNIA ENVIRONMENTAL PROTECTION AGENCY . _ STATE OF CALIFORNIA STATE WATER RESOURCES CONTROL BOARD In the Matter of Water Right ) Application 29408 and Waste Water ) Change Petition WW-6, 1 CITY OF THOUSAND Applicant OAKS, and Petitioner, DECISION: ) SOURCE: 1 ) and, Availability of Unappropriated Water for Applications 29816, 29819, 29829, 29581, 29959, 30037, 30092, and 30194 of 0 ) 1 FITZGERALD RANCH, STANLEY AND SANDRA GOLDBERG, B-H FARMS, ROBERT B. LAMB, LENA M. JONES TRUST, RICHARD ROGERS, STANLEY AND SANDRA GOLDBERG, AND CAMROSA WATER DISTRICT, Respectively Applicants, DEPARTMENT OF FISH AND GAME, STANLEY AND SANDRA GOLDBERG, LENA M. JONES TRUST, B-H FARMS, ET AL., CAMROSA WATER DISTRICT ROGERS FAMILY TRUST, ROBERT B. LAMB, FITZGERALD RANCH, 1638 Arroyo Conejo, Conejo Creek and Calleguas ,i Creek i 1 COUNTY: Ventura i ) 1 1 ) 1 ) ) 1 ) 1 ) ) ; 1 ) Protestants. . t DECISION APPROVING, IN PART, WATER RIGHT APPLICATION 29408 AND WASTE WATER CHANGE PETITION WW-6 OF THE CITY OF THOUSAND OAKS AND FINDINGS REGARDING AVAILABILITY OF WATER FOR APPROPRIATION UNDER WATER RIGHT APPLICATIONS 29816, 29819, 29829, 29581, 29959, 30037, 30092, AND 30194 -. __ \ a \ TABLE 1.0 INTRODUCTION 2.0 BACKGROUND OF CONTENTS . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 l % 3.0 2.1 Description 2.2 Description of Project Proposed by the City of Thousand Oaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.3 Projects 2.4 Presently Authorized Water Right License PROTESTS 3.1 3.2 3.3 3.4 4.0 5.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . ...2 Proposed FILED Protest of Fish of Watershed............................. in Competing AGAINST Applications .......... 7 Diversion Und& 12598............................ CITY'S PROPOSED PROJECT 5.1 11 . . . . . . . . . ..I-2 Filed by the California Department and Game.................................... 12 Protests Filed by or Assigned to Fitzgerald Ranch, Stanley and Sandra Goldberg, and Robert B.. Lamb.................................. 13 Protests Filed by Pacific Sod Farms and B-H Farms....................................... 14 Protest filed by Gloria Petit Longo et al...........1 HEARING ON WATER RIGHT, APPLICATION AND WASTE WATER CHANGE PETITION.. .......................... WATER 3 5 ..15. AVAILABILITY..................................~...,..17 Sources 5.1.1 5.1.2: of Water ....................................... 18 Discharge From Hill Canyon Waste Water Treatment Plant . . . . . ..__............s...... 18 Runoff Within Use of Imported Water of Thousand Oaks . . . . . . . . . . . ...~....... 22 StreamfZow Attributable to Precipitatioq: Within T&e Watershed . . . . . . . . . . . . . . . . . . .. ..._..... 23 From City . 5.1.3: l -5.1.4 Discharge into Calleguas Creek Stream System from Other Waste Water Treat2nen.t: Facilities . . . . .._........._....._......._....~..28 _j_- I TABLE 5.2 OF CONTENTS, continued Water Needed to Serve Prior Rights and Other Uses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 l f 5.3 5.2.1 Prior Appropriative Right Under License 12598 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 5.2.2 Riparian 5.2.3 Water Analysis 5.3.1 5.3.2 5.4 Rights.............................. Needed of Data for Instream on Water Water Availability Application 29408 Flows.............. PLACE OF USE 7.0 MAINTENANCE 8.0 ENVIRONMENTAL 35 Availability.............. 35 1' for the City's .._......................... 38 Water Availability for Junior Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Declaration of Fully Appropriated Streams Listing............................................. 6.0 32 FOR OF WATER APPROPRIATED REGIONAL AND PUBLIC GROUNDWATER TRUST BY CITY BASINS 49 . . . . . . . . . . . . . . 50 . . . . . . . . . . . . . . . 51 ISSUES.................... 55 8.1 Compliance 8.2 Environmental Impacts for Which Mitigation Measures are Proposed in the EIR and Related Documents........................................... 57 8.2.1 Impacts on Water 57 8.2.2 Impacts on Southwestern 8.3 With CEQA..........t..................... Quality..................... Pond Turtles 55 . . . . . . . . . 59 Other Issues Raised by the Department of Fish and Game.................................... 64 8.3.1 Impacts 65 8.3.2 Impacts on Endangered Saltmarsh Bird's Beak at Mugu Lagoon . . . . . . . .._......... on Riparian _-ji_ Habitat................_. 71 TABLE 8.3.3 9.0 10.0 DEDICATION OF FISH MD SUMMARY AND OF CONTENTS, continued Impacts of Proposed Flow Control and Monitoring Station _...................... 74 OF TREATED WASTE WATER FOR PROTECTION WILDLIFE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 CONCLUSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 ORDER.........................................................78 CERTIFICATION.......................... -iii- . . . ..$................. 87 CITATIONS The following notation hearing record: TO THE RECORD is used to cite information from the Citation to Hearing Transcrla: Citations to the hearing transcript are indicated by a "T" followed by the volume of the transcript, followed by the starting page and line number, (Example: T, followed by the ending page and line number. Vol. I, 136:10-136:21.) Citations to exhibits in the record are Citations to Exhibits: indicated by the abbreviation for the party submitting the exhibit, followed by the number of the party's exhibits, followed by the page number or other location of the information in the exhibit. -iv- BY THE BOARD: I.0 INTRODUCTION The City of Thousand Application proposed Creek Oaks (City) submitted 29408 and Waste Water project that involves in Ventura County. appropriate Water water District the City. of Arroyo Petition WW-6 for a diversion of water from Conejo Conejo waste water (a tributary water the project released Change into Arroyo Petition diversion Petition treated proposes a change In addition WW-6. as proposed W-6 proposes pursuant the availability by the City, the proposed the use of water by competing explained below, water this decision 29408 and Waste Water Change 1212. of water changes for in the use of the conditions. -l- in W-6, part, the need resources, right applicants. Petition (cfs) of use for fish and and instream approves, for right application, from the Hill Canyon WTP, environmental waste water available to instream appropriation to protect from the City's feet per second considers for water Fork (Hill Canyon WWTP). to making that 2.0 cubic released to the City filed Waste Water to Water Code section waste water (Camrosa) and in the use of treated This decision treated County into the North Creek) in the City's water waste water be dedicated wildlife Plant Conejo, Valley the City proposes released of Conejo a permit (SWRCB) to Water District of the water which Hill Canyon Waste Water Treatment Because Board in the Pleasant (PVCWD), the Camrosa is treated 29408 requests Control for irrigation The majority appropriate Change Application from the State Water Resources Water Right and As Application subject to specified / This decision also addresses appropriation under Applications 29959, 30092 and 31094. 30037, appropriate water irrigation by several applicants the applications procedure for "minor protested as described seek to Creek for in Section in priority 2.3 1345 et seq. to the City's small quantity of water are subject to a separate review ii applications" However, for the City's application applications makes it appropriate availability for all the pending Other regarding to Water' between and the competing to address the issue of water applications in this decision. those applications with the procedures pursuant the relationship water availability accordance 29581, were filed after the City's Application involved, issues 29829, These applications Due to the relatively Code section for 29816, 29819, are junior 29408 and, therefore, application. of water from Conejo Creek and Calleguas The applications below. the availability will be addressed specified in Water in Code section 1345 et seq. 2.0 BACKGROUND The Calleguas Creek watershed, is described tributary, describes the project describes the projects applicatkons. states of which Conejo in Section proposed proposed As discussed applications by the City, and Section in the competing in Section present 2.2, Application of water availability competing applicants right 29408 that would not the right to divert any water that may be specified of water water 2.3 The other at their respective quantity water 2.2 conditions. Creek under natural request is a Section 2.1 below. that the City seeks to appropriate have been in Conejo Creek points of diversion up to the in the applications. for appropriation is addressed -2- _ The by the City and the in Sections 5.0 through 5.3.2. V 2.1 Description The Calleguas miles of Watershed Creek watershed in eastern principal Ventura tributaries covers County. Slough and Arroyo Pacific Ocean at Mugu Lagoon. The Hill Canyon WWTP Conejo, approximately of Calleguas Conejo Creek Simi. is located Fork of Arroyo of the discharge Conejo which 0.4 miles downstream The combined point. North flows approxjmately Conejo Creek. approximately 8 miles through Valley joining Calleguas 2 miles the Creek flows the Santa Rosa Valley Creek.drains of and Once in the Santa Rosa Valley, is known as Conejo Conejo Creek, The South Fork of Arroyo Fork approximately to the Santa Rosa Valley. Camarillo. 1, the Creek flows into the on the North into Mugu Lagoon. South Forks form Arroyo before Calleguas , the Hill Canyon WWTP discharge watercourse Creek are Conejo 17.5 stream miles upstream joins the North 325 square As shown on Figure to Calleguas Revolon approximately and Pleasant Creek south of the City of an area of approximately 78 square miles. The three groundwater are the Oxnard Plain Basin, Santa Rosa Basin. is defined basins The upper by the Oxnard area has led to concerns Vol. 2, pp. 4-34.) in the area of the proposed the Pleasant aquifer system and Mugu aquifers. about seawater Point Mugu is 40 feet below east of the Pleasant in the Oxnard Plain Overpumping in this intrusion. the groundwater sea level. Valley -3- Basin and the (City 1, level in this area is 80 to The groundwater 120 feet below sea level, whereas located Valley project elevation The Santa Rosa Basin Basin. at is Place of Use - 29408 29408 \ (No. 3) Point of Diversion \ ’ 25247 OXNARD I nousano “aKS Proposed - 29408 _. (No. 2) Point of Measurement 29408 - (No. 1) Hill Canyon Treatment Plant Point of Discharge Place of Use - 29408 Pleasant Valley County Water District . STATEOF CALIFORNIA STATE WATER RESOURCES CONTROL DIVISION OF WATER RIGHTS BOARD LOCATION MAP SCALE Conejo Creek, Calleguas Creek and Arroyo a FI i , w Las Posas x Applications -, 0 2.2 Description of Project Proposed by ’ A__ . diversion ~ is composed Accretions (1) k of water I the City. result of deep percolation Water entering within from Metropolitan is surface which and other purposes of treated within Creek and Calleguas Natural (4) flow. Application The City requests which above. released With The City estimates from the Conejo. flows into Conejo or divert that it does not natural streamflow under 29408. to divert to flow elements the exception of water the City. Fork of Arroyo eventually attributable water from Conejo (1) through of the measured from the Hill Canyon WWTP, the amount of water Creek. authorization is attributable runoff waste water The City has stated seek to appropriate storm drainage from the Hill Canyon treated Hill Canyon WWTP into the North waste water of lawns is used for lawn waste water The City discharges The treated California the creek from the City's obtained WWTP. of Southern from the the City:' Much of this water Discharge (3) the creek as a is used for irrigation system. irrigation aquifer of water obtained Water District and other purposes (2) groundwater The water enters which Oaks from four sources: within (Metropolitan) of Thousand I from the adjoining Metropolitan the City quantity it is difficult (3) described of water to quantify to each of the above that flow elements -5- (1) and Creek sources. (2) contribute a (afa) in the South Fork Arroyo total of 1,954 acre feet per annum Conejo and 940 afa in the North Fork Arroyo City discharged increase that its discharge a maximum 29408 proposes r waste water will to divert water throughout rate of 24 cfs up to a maximum The proposed 17,380 af. horsepower pumps which storage ponds be transported through project annual quantity will utilize a 36-inch diameter property from other sources. 100 Water would pipeline. in PVCWD, water for for 1,460 afa to provide instream flow of 2.0 cfs for fish and wildlife pursuant to Water proposed in Camrosa, to providing to dedicate Code section and the in the City to substitute In addition the City proposes The project three of from the storage ponds to PVCWD, Camrosa, Water will be used for irrigation irrigation, the year at will convey the wateri'to regulatory and on municipally-owned water of treated to 15,010 afa by the year 2020. Application City. In 1995, the (af) at the Hill Canyon WWTP. 9,586 acre feet The City estimates Conejo. an maintenance 1212. by the City would utilize the following facilities: (1) The existing (2) A proposed (3) Hill Canyon WWTP; "flow control and monitoring located within Section 36, T2N, R20W, SBB&M; and Proposed station" the SE l/4 of the NE l/4 of projected diversion facilities on Conejo - Creek located with the SE l/4 of the SE l/4 of projected Section 32, ‘* T2N, R 2OW, SBB&M. 0 -6- i The City's proposed have a maximum the North spill pad. of Arroyo The structure miles upstream of the City's proposed structure,would Conejo, point approximately The water would of 7 The of diversion. a channel which the City proposes station. across of the confluence divert the stream flow to one side where small monitoring would to 75 feet, would be built Conejo just downstream Fork and South Fork of Arroyo pass through station" height of 4 feet and a length of-50 with a concrete the channel "flow control and monitoring it would to construct then be returned i' and a to the stream. 2.3 Projects The hearing applications proposed notice in Competing identified pending by the City. authorization Table Proposed eight other water The pending applications to divert water for irrigation 1. /// /// /// /// /// /// /// /// /// /// /// /// /// 0 right before the SWRCB in the area of the project' /,// . Applications /// -7- all request as summarized in TABLE Applications 1 Junior to Application 29408 (See Figure 1 fdr Application Application Number Name and of thg City Locations) (Staff Quantity (1) application amount; (2) existing pump capacity Source 1) Requested Diversion Season 2958i--Robert B. Lamb, et al. Conejo Creek (1) 2.9 cfs (2) 3.0 cfs Jan. 1 - Dec. 31 29816--Fitzgerald Ranch Conejo Creek (1) 0.9 cfs (2) 2.0 cfs Jan. 1 - Dec. 31 29819--Sandra and Stanley Goldberg Conejo Creek (1) 0.9 cfs (2) 2.0'&fs Jan. 1 - Dec. 31 29829--B-H Farms Calleguas Creek (1) 2.61 cfs (2) 4.5 cfs Jan. 1 - Dec. 31 29959--Lena M. Jones Trust Conejo Creek (1) 0.71 cfs (2) 0.7 cfs Jan. 1 - Dec. 31 30037--Pacific Earth Resources (aka Richard Rogers, et al. or Pacific Sod Farms) Calleguas Creek (1) 0.62 cfs (2) 6.68 cfs Jan. 1 - Dec. 31 30092--Sandra and Stanley Goldberg Conejo Creek (1) 0.9 cfs & 5 af (2) 0.9 cfs Jan. 1 - Dec. 31 30194--Camrosa Water District Calleguas Creek (1) 2.0 cfs & 200 af (2) 1.4 cfs Jan. 1 - Dec. 31 All of the above applications Application 29408 applications permits were filed to obtain Creek (Application appropriative is presently for irrigation. pumped Water District) water Creek and The other two applications describe and Application proposed The City filed protests are not now in operation. right from Conejo 29959 of the Lena M. Jones Trust 30194 of Camrosa date than Six of the above filed by the City. for water which Calleguas have a later filing projects against which each P of the applications shown in Table 1. ‘d All of the pending subject applications, to the separate except review process -8- for the City's, are for "minor protested water right applications" section pursuant 1345 et seq. procedures, In accordance a field investigation the applications October listed 28, 1992.l the availability of the staff analysis on and action the SWRCB could water available in the hearing notice, in this proceeding. of each of the dompeting in until of water to serve the applications as an issue to be addressed description described 1 above was conducted of unappropriated As specified appropriation. Code with the statutory was held in abeyance the quantity of Water of the projects in Table Preparation on the applications determine to the provisions for the issue of was included A brief applications is provided below. Atoplication 29581 of Robert Lamb et al. Appiication Creek for irrigation Sections 14, applicant annual 29851 requests 15, 22, requests diversion a right to divert of a maximum 23, 27, requested of 652 acres within and 28 within a year-round Application 29816 seeks a right to divert and 28, T2N, Range year-round requested The SBB&M. The maximum Ranch of 162 acres within 20 West, projected is 1,790 af. 29816 of Fitzgerald for irrigation T2N, R20W, season of diversion. Application Creek 2.9 cfs from Conejo SBB&M. season of diversion. 0.9 cfs from Conejo projected The applicant The maximum annual Sections requests 26 a diversion is 650 af. -. : e ' The field investigation included all the applications listed in Table 1 except for Application 30194 which was filed after the field investigation scheduled. -9- was lication Application Creek 29819 of Stanley and Sandra Goldberg 29819 seeks a right to divert 0.9 cfs from Conejo for irrigation of projected of 125 acres within the NW l/4 of the NW l/4 Section requests a year-round diversion requested pllcatlon 26, T20N, R26W, SBB&M. season of diversion. The applicant The maximum annual is 650 af. 29829 of B-H Farm Application Creek 13, 29829 seeks a right to divert 2.6.1 cfs from Calleguas I' for irrigation of 200 acres within projected Sections 12, and 14 all within a year-round requested season TlN, R21W, SBB&M. of diversion. The application The maximum 29959 of Application 29959 seeks a right to divert Creek for irrigation T2N, R20W, SBB&M. Lena M. Jones Trust The application Application 30037 of Richard Rogers Application 30037 of Richard Rogers, Earth Resources, Creek annual Section seeks a year-round The maximum from Calleguas 0.71 cfs from Conejo of 57 acres within projected diversion. Sections diversion is 1,419 af. Application Pacific annual requests diversion Elizabeth reservoir. from the stream The application and the maximum annual of 627 acres within seeks a year-round dra ad Application 30092 requested and 0.62 cfs projected Water SBB&M. regulatory diversion season is 332 af. Stanley Goldberg seeks a right to divert Creek for irrigation is 513 af. a right to divert into an offstream diversion of Davis Rogers, 15, 16, 20, 21, 22, 27 and 29, TlN, R21W, will be pumped season et al. Ltd. requests for irrigation requested 26, 0.9 cfs from Conejo of 101 acres within projected -lO- Sections 24, 25, and 26, T2N, R20W, SBB&M. stream into a 5 af offstream year-round Water will be pumped reservoir. season of diversion, from the The application seeks a and the right to divert 5 afa to . storage. 'i direct The total annual quantity diversion of water and storage portion requested under of the application the is 468 af. Application 30194 of Camrosa Water District Application 30194 seeks a right to divert Creek to be used for irrigation and 2, TlN, R21W, SBB&M. storage in existing located near Camarillo discharged 0 300 af capacity pipelines treated ponds, the water to direct customers diversion applicationseeks a year-round diversion of the application. a season year of December for diversion diversion portions 2.4 requested of the application Presently 12598 Cal-Cel under the direct Authorized Marketing, (Application 2 The also seeks 1 of the succeeding total annual diversion and the storage is 1,445 af. Diversion Under Inc. and Hiji Brothers 252.47) which authorizes from Conej.0 Creek for irrigation.2 year-round within for the direct The application The maximum via Camrosa ponds. season of diversion 1 of each year to March to storage. is located rights, seeks the right to store 200 af in the existing portion ponds it will be rediverted to agricultural 1 to offstream effluent After State Hospital. In addition the District. of 800 acres Iwithin Sections Water will be pumped into the effluent distribution 2.0 cfs from Calleguas season of diversion Water Right have License direct diversion The license and a maximum 12'59c8: of 0.82 cfs authorizes annual a diversion License 12598 was formerly held by Gloria Petit Longo et al. -ll- License of 306 af. License right on Conejo 3.0 PROTESTS 12598 is the only existing Creek notice City's of Water proposed Rights application initial public CITY'S PROPOSED PROJECT of Water Rights originally of the City's Division water and its tributaries. FILED AGAINST The SWRCB Division appropriative project accepted provided on March 11 protests 9, 1990. of the project. The filed against and waste water change petition notice public the following the The City subsequently ii revised the proposed describe project the proposed described 2.2. the Division the City's Application Petition notice. hearing Several Protest The protest (DFG) states support argues of the protests of wildlife is critical to the The accordingly.3 of Fish and Game Department of Fish and Game Creek and riparian is rapidly being and that maintenance to the 1995 prior Department Creek, Calleguas habitat Change below.4 filed by the California that Conejo of Sod Farms was the were dismissed Filed by the California that riparian of the change in response were notified are discussed is issued a "renotice" Pacific 8, 1995. to file a protest a wide variety California, habitat party protests receipt to project 29408 and Treated Waste Water and those protestants remaining 3.1 Following of Water Rights WW-6 on December only additional The revised modifications. in Section petitions, and filed change petitions and Mugu Lagoon lost in Southern of the remaining for fishery and wildlife DFG habitat. riparian resources. The DFG i 3 The reasons for dismissal of the affected protests were stated in letters None of the parties whose protests were dismissed to the protestants. appeared at the hearing. 4 The protest originally filed by Carmel Camarillo Jones Estate was assumed by Stanley, Sandra and Leroy Goldberg upon purchase of the Estate property. -12- protest requests that, in addition waste water which the City plans . the City be required Conejo Creek,which groundwater to bypass to the 2'.0 cfs of treated to provide the water is attributable aquifer within the City,.storm streamflow. is not estimated in the DFG protest, instream 3.2 regarding from Arroyo to accretion flow and natural at the hearing for instream drainage flows needed of Fitzgerald result that approval in disruption seeks to appropriate testimony for protection isthe diversion of applications under in priority On behalf of the Lambs, water that a condition the parcels identified and the Lambs, be made available diversion Water the protestants insufficient and Fitzgeralds, be included raised require: service project attorney in any permit in his clients' for subsequent agreements and Fitzgeralds; -13- are (1) the City to to the three named protestants of water by the City's water filed by the City. District in the water Goldbergs, the City have also filed the concerns term would to the Camrosa farming rights and that water leave 29408 the Goldbergs, The suggested ongoing but all the applications water, issued to the City to address protests. would to Application David Lamb proposed riparian The protestants to appropriate Stanley of the City's project same water which for the City's project in the stream system. Ranch, claim that the water which current1.y use for irrigation Camrosa flows and Sandra Goldberg, to the protestants' The protestants operations. Stanley Ranch, and Robert B. Lamb allege provide of these return uses. The protests junior and system but DFG provided Protests Filed by or Assigned to Fitzgerald and Sandra Goldberg, and Robert B. Lamb would Conejo from the The total quantity minimum uses, use on between (2) that water prior to any for use in other areas. The suggested City's project diverted suggested provide be measured from Conejo In response water term also provides at the point where a permit the water by the protestants, term which.would: (1) require water to Camrosa for use on the parcels service agreements between measured that the water diverted upstream For the reasons control and monitoring be considered proposed a part of the project farming by including City which ensures Camrosa pursuant Protests protests against Application rights. Neither protestant dismissed.6 accordance The SWRCB (See Water finds, to avoid disruption issued to the are provided Neither protestant water by agreements. et al.)* and B-H Farms presented evidence and, consequently, Code section 1352.) at the hearing both protests However, in the hearing holds an appropriative -14- filed injury to riparian water right permit in are in notice, ' As stated above, Richard Rogers et al., also filed Application the name of Pacific Earth Resources. 6 of and Fitzgerald in any permit 29408 claiming with the information is Sod Farms and B-H Farms (Richard Rogers, of their positions the ‘flow by the City should not interest to their water service Sod Farms support 8.3.3, 29408. that the protestants Pacific be on Conejo for which any permit a condition Filed by Pacific and and monitoring uses on the Lamb, Goldberg properties 3 in the for the City's project "flow control that it is in the public the existing identified and the protestants; stated in Section station" the City i’ to the City on Application however, is the City to of the actual point of diversion Creek. issued Camrosa at the City's proposed station," for the Creek. to the term suggested (2)'provide 3.3 that water diverted this 30037 or under license. a . decision Pacific 29829, 3.4 considers the availability of water for appropriation Sod Farms and B-H Farms under Applications by 30037 and respectively. Protest filed by Gloria Petit Longo et al. 1 A protest Long0 against the City's project was filed by Gloria et al. on the basis of potential rights held by the protestant has been reassigned The protest was dismissed any approval Marketing, water 12598. License would be subject right under License 12598 Inc. and Hiji Brothers. on March 27, 1996, on the basis of the City's project appropriative injury to prior vested under License to Cal-eel Petit 12598 that to the prior (Application 25274). The City subsequently a modification of the protest that the City's licensee License the protestant dismissal 12598. rights would be subject However, License Rather than referring it is appropriate Creek pursuant to include a condition subject to the prior right under License The SWRCB conducted evidence a hearing to resolve right application The hearing notice by the right or is 12598. AND WASTE WATER issues concerning the City's change petition, of water identified to by CHANGE on May 13 and 14, 1996, in order and waste water the availability to direct in any permit that the City's HEARING ON WATER RIGHT APPLICATION PETITION regarding right of the to 0.912 cfs as proposed issued to the City stating receive to the prior 12598 authorizes license a term which would provide of 0.82 cfs, rather than 0.912 cfs as referred the City. 4.0 and suggested to divert up to 0.912 cfs from Conejo diversion City, contacted for competing and issues applications. 15 key issues on which -15- water interested to parties were invited to present quantification from various ’ of the water sources, evidence. in Conejo 'The issues Creek and Calleguas the effect of the City's project legal users of water, the appropriate water among competing water users and applicants, point of measurement potential instream and other public waste impacts of proposed the City's proposed water necessary to instream relationship between local groundwater beak) City's places Thousand of instream trust resources, the City's project plant intrusion inflow diverted in into (saltmarsh and consideration of use for water flows the and'seawater the effect of freshwater Pleasant District Goldbergs of himself, Quality Valley Control bird's of the as part of the of Calleguas and Fitzgerald The majority the quantities Calleguas Creek, the proper resources, protection and sources of the evidence on instream the amount of instream trust resources, for potential adverse Lamb on Water presented in Conejo Creek and among competing and other public flows needed and possible environmental -16- Robert of water Water Lamb on behalf Regional of water Water Camrosa David Ranch; distribution of the project of public Municipal attorney DFG; and the Los Angeles Board. the effect the SWRCB were the City of County Water District, concerned measures before and the County of Ventura; of the Lambs, behalf in the hearing Oaks; representatives District, trust on project. The participants users, dedication in the area of Mugu Lagoon, appropriate by the City's and monitoring i' of 2.0 cfs of treated the health of an endangered Mugu Lagoon, the appropriate "flow control of public basins, of available the need for and uses, the quantity for protection Creek on other water diversions trust resources, of the City's proposed station," distribution for water to be diverted project, impacts included: for mitigation effects. Sections 5.0 through and the SWRCB's 5.4 below discuss findings and water availability presented on other groundwater basins, resources, concerning the City's for competing issues, including protection to fish and wildlife 9.0. The SWRCB's.conclusions water maintenance are discussed regarding 29408 and Waste Water Change Petition Section 5.0 users. dedication in the record proposed projec't The evidence of the regional of environmental and the City's proposed water the evidence and public of treated in Sections approval trust waste 6.0 through of Application WW-6 are summarized in 9.0. WATER AVAILABILITY Determining the availability City and competing flow in Conejo applicants of water needed public trust uses. aquifer, City's from the City's waste water groundwater storm drainage substantially Metropolitan prior The quantity aquifer uses and other Creek is composed system, WWTP, Conejo as the City's use of imported discharge and natural of accretions and the quantity system entering and the groundwater storm drainage from the Hill Canyon of of the rights, of instream 2.2, the flow in Conejo by the the quantity the sources to the creek from the adjoining flow from precipitation. adjoining examining Creek, for protection in Section water of treated for appropriation and use of water under amount of accretions requires Creek and Calleguas flow, the diversion As discussed of water from the of water from the Creek have increased water from has increased. The City's application seeks to appropriate and return flow from imported water. -17- treated Therefore, waste Water in determining I the amount of water potentially of the City's quantity proposed available project, of flow in the stream f.or diversion it is helpful attributable as part to examine the to each source. . Records of water of the historic releases from the Hill Canyon WWTP and records flows can be used in evaluating the amount of 6 surface flow in Conejo from imported Creek that is attributable in determining downstream uses below Conejo to examine the City's proposed flow records attributable to various satisfaction of prior 5.1 the amount of flow available Creek and Calleguas Sections 5.1 through sources rights point of diversion, from several Creek. for locations The quantity on of water and the quantity and instream it needed for needs are addressed in 5.2.3 below. of Water Sources The sources flow water.' Similarly, is useful to return of water applications which are relevant on Conejo to the pending Creek and Calleguas Creek are discussed below. 5.1.1 Discharge From Hill Hill Canyon WWTP began relatively through the facility Project 7 Return Waste Water waste water in 1972 following in treated flows from imported Plant a from 1960 of treated waste water produced to the City by Metropolitan. increase Treatment in 1960 but produced of treated The quantity increased water The gradual operating small quantity 1971. Canyon delivery at of State Water (City 6, p. 2-28.) waste water discharges from the water can enter the stream either as accretions basin or as part of the discharge storm drainage system. to the stream from the adjoining groundwater to the stream from the City's 0 -18- Hill Canyon WWTP over the last 15 years as reported is shown below by the City in Table 2. . TABLE 2 2 HISTORIC HILL WVTP DISCHARGES 1984** 1985** 1986** 1987** 1988** 1989** 10,085 10,200 10,533 10,533 10,757 10,757 1990** 1991** 1992** 1993** 1994*** 1995**'** 9,637 8,628 9,637 No Data 9,661 9,586 Table Notes: * Data obtained ** Data obtained from City 31H. The graphic scale on this exhibit is in million gallons per day (mgd). The data from the to afa using the following conversion: City's exhibit is converted mgd x (3.07 af/day/l mgd) x 365 days/year. AFA = 1tX1U *t* Data obtained from City 2, p. 3-17. **** Data obtained from City 25, p. 136. During into the stream that Conejo Plan prepared from the Hill served to replenish by Boyle Engineering Creek was normally However, with continuous 1 discharges the groundwater A 1987 report on the San,ta Rosa Groundwater Management months. pp. 2-26 and 2-27. the early years of operation, Canyon WWTP basin. from City 6, Basin Corporation a dry stream during the summer by 1970, Conejo Creek was a perennial flow. (City 6, p. 2-15.) -19- Ventura states stream County installed a gaging have been recorded Although station in October since October some of the discharge infiltration 1968;' and year-round 1972. (City 6, p. 2-15.) continues to the groundwater basin to be lost as and evaporation, 1991 Final Environmental Impact Report approximately of the discharge 75 percent and enters the Pleasant The City's application appropriate projected output increases afa. The RWQCB calculates WWTP, after (City 21, NPDES permit, prior discharges The Ventura production in Table 3. capacity of 15,010 of the Hill Canyon The City will need to obtain treatment capacity requires waste water plant capacity a from of 21.7 cfs in 1999. that total treated on a daily basis. 17.2 cfs, which equates below up to a maximum County Public Works Agency of treated to to be 14 mgd, or 21.7 cfs. to expanding be measured . downstream water seeks a permit the design p. 2.) permit that of the Hill Canyon WWTP and 18.6 cfs in 1995 to the projected The City's present (FEIR) estimates continues c the City's (City 1, Vol. 2, p. 4-17.) in output future expansion, new NPDES permit area. to appropriate the present future Valley flows waste water (City 21, p. T-11.) estimates actual at the facility future to increase to to 12,399 afa, by the year 2010 as shown (City 25, Tables 4.4 and 4.5.) I I TABLE 3 Hill Canyon WWTP Projected Output Based Upon 1994 Ventura Public Works Agency Report All Values Converted Frbm MGD To Either,CFS Or AFA 5 1995 Total Flow From Domestic, Commercial and Industrial Uses 14.8 cfs (10,734 afa) 2000 15.6 cfs (11,292 afa) 2005 16.4 cfs (11,835 afa) 2010 17.2 cfs (12,399 afa) ’I 0 -2o- The actual Table of treated waste water 2 was 9,586 af, or approximately projected the amount amount actual anticipated The record portion of treated waste water amount due to water conservation discharge 21.7 cfs future capacity water, seeks to appropriate is treated waste depends upon the rate of discharge water present of waste water the City's discharge in Application proposes to dedicate wildlife purposes downstream for diversion. WTP City should dedication return of the water which Creek to instream Another factor criteria any permit The water 1212 treated waste water of time regulating issued WW-6, of water available to account use proposed for fish and Creek be dedicated from the HigUlL for diversion b,y the for the 2.0 cfs by the City. for in determining from the Hill Canyon -21- to the City. the City waste water would in the rate and would not be avai.lab!Xe the amount to be accounted the CiIty at a specific in Conejo Creek and in Calleguas also, be adjusted flow The quantity for variations 2.0 cfs of treated is potentially and from the Hill Canyon WWTP. 29408 and Petition Therefore, which amounts, may be less than the to appropriate under Code section amount plant. when establishing of the confluence. to Water from projected to account rate of diversion the City. that the actual in Conejo it is reasonable Therefore, within waste water. treated X9.89, is a significant of the treatment the majority Since 3. has been less than the of treated waste water the City also has applied from imported Canyon less than. the quantity to the stream has varied that future pursuant 11 percent shows that treated waste water discharged As stated in 1995 from. of lo,,734 af as shown in Table of the flow in Conejo Creek, Although produced the amount WWTP which is Of potentially available is the quantity of discharge attributable flows downstream the City's proposed The City estimates waste water the point Water of diversion l from the 7 miles before point of diversion to the groundwater the point released approximately that an average of diversion. point to channel losses between and the point of diversion. Hill Canyon WWTP reaching at the City's proposed on Conejo _ Creek. loss of 1,370 afa of treated basin occurs between . the WWTP and (City 2, Vol. 2, pp. 24 and 25; T, Vol. 1, 146:6-146:18.). In addition, the City calculates that i’ approximately 50 afa is lost due to evapotranspiration the WWTP and the proposed p. 4-22.) equates to an average In summary, rate of channel the amount Canyon WWTP which of the rate of discharge adjusted for approximately Runoff Oaks In addition From Use to surface City and deep percolation elements (1) and Collectively, imported natural water which conditions. proposed Water Within water runoff from Conejo and the by the City. City of Thousand Application Creek which from use of imported of applied water can be classified is in the (See flow imported water. in Section is a plant as losses of treated waste water, (2) described this water for diversion 2.0 cfs in channel of Imported to diversion from the Hill from the treatment to fish and wildlife 29408 seeks to appropriate attributable loss of 2.0 cfs. available function 5.1.2 1,420 afa which of treated waste water is potentially 2.0 cfs dedication (City 1, Vol. 2, point of diversion, these losses total about Together, between 2.2 above). as return flow from would not have been in the basin under The return flow from imported water which ‘. the City seeks to appropriate collects South Fork of Arroyo The City asserts Conejo. -22- in the North Fork and that the combined average rate of flow for this return Section 404 permit City estimates application, flow is 4.5 cfs. In another p. 5.) that 1,954 afa is available (City 24, document, the in the South Fork . Arroyo Conejo and 940 afa in the North Fork Arroyo this source. (City 2, Vol. 2, Attachment The City did not offer stations data.' graphics City Exhibit somewhat in April. the City seeks to appropriate of Arroyo water, Conejo Mr. NUSS, before is attributable purchased from Metropolitan. that the base flow present quantity present to return of return throughout The City's water the year in the North tlcomposite data" in its exhibits data into evidence. flow. of summer Project in the summer months flow from imported and South Fork flow from imported planners water then assumed represented the which would be The City relied upon and did not offer In determining flows Fork and South Fork of (T, Vol. I, 275:19-279:25.) Conejo. unappropriated of State Water on "base flow" of 4 cfs to natural was based upon a comparison and after importation testifying from the North and none of it is attributable This conclusion Arroyo based of the City, stated that the combined behalf the City upon composite ii the composite flows as nearly 31G depicts increasing constant, for City measuring Instead, which were prepared from 2, Table A.) data 101, 102 and 103 as evidence. submitted which its streamgage Conejo the quantity water which may be available its streamgage of for appropriation by . 8 In the City's Exhibit 3IA, Gary Nuss explained the method of preparation of graphical exhibits 31D through 31H. Mr. Nuss did not, however, explain the Consequently, the SWFXB is unable to meaning of the term "composite data.“ ascertain whether composite data provides a true representation of the flows from each source shown in the City's exhibits. -23- the City and the competing USGS streamgage 5.1.3 Streamflow Watershed The record Conejo records Highway summarized Attributable contains data Creek/Calleguas location applicants, The stations 101 near Camarillo (3) Calleguas Creek near Camarillo Creek at Camarillo discontinuous record). flow records indicating in Table 4. summarized stations (See Figure are: a faulty gage. . Creek above (2) Conejo State Hospital Creek (USGS gage (USGS gage 11105850); and ‘(USGS gage 11106000, All of the (2) are zeros, possibly Therefore, The USGS streamgage in the 2 for (1) Conejo (City 2, Vol. 2, p. 3-22.) for station _ The (USGS gage ~1106500); Si'mi near Simi (5) Calleguas monthly Within (USGS gage 11106400); above Highway (4) Arroyo 0 to Precipitation from five USGS gaging 101 near Camarillo the in Table 4. Creek watershed. of stations). 11106550); the SWRCB will utilize the gage was not included data for the other gages is below. /// /// /// /// /// /// /// /// /// /// ‘. /// /// . /// /// -24- . CONEJO CREEK ABOVE HIGRWAY 101 PERIOD OF RECORD: 1973-1983. DRAINAGE AREA - 64 SQUARE MILES .' Ott Nov Dee Jan Feb Mar Apr May June July 11 18 17 56 81 76 21 15 13 12 -t Aug Sept 13 15 2. CREEK AT c~mg~Ifr~0 STATS :~OSPITAL PERIOD' OF.RlkORD: 1969-i983 DRAINAGEA&EA - 248 SQUARE MILES CALLEG~AS Ott Nov Dee Jan Feb Mar Apr May June July' 10 25 31 103 135 119 22 14 10 9.4 9.2 12 July Aug Sept Sept AW 3. CALLEGTJAS CREEX AT CAMAkILLO PERIOD OF RECORD: 1929-1958 DRAINAGE ti.EA - 168 SQUARE MILES Nov Ott 0 ) 0 Dee Jan Feb Mar Apr 1 ,0.2 1 3.3 ) 4.4 ) 1.7 1 8.9 June May 1 0 ) 0 1 0 1 0 1 0 ARROYO SIMI NEAKSIMI 1934-1983 PERIOD OF RECORD: DRAINAGE AREA - 71 SQUARE MILES * Ott Nov Dee Jan Feb Mar Apr May June July Aug Sept 0.6 5.1 4.6 9.6 17 15 2.8 0.7 0.6 0.5 0.7 4.7 Data from USGS In addition usage, to natural the streamgage water which Staff 2. runoff Creek and return flow from urban water data in Table 4 includes is discharged the Calleguas which records, by the waste water stream above treatment system above the specified is not lost to diversions, evapotranspiration any treated channel the gages. -26- losses, The quantity waste plants into gage and or of water . measured by the gage does not include presently diverted protestants Conejo Creek upstream Ranch, Lena M. Jones Trust, Stanley Robert Lamb. The City's farms in the vicinity extract City's proposed proposed diversion water utilized downstream approximately point. divert that of the (City 2, Vol. 1, p. 3-41.) demands downstream works are 1,955 afa, totaling of the proposed and the listed 1,700 afa upstream that agricultural for agricultural from Fitzgerald (1996 FSEIR) estimates (including above water and Sandra Goldberg, EIR is farmers 101 streamgage: of Conejo Creek diversion FSEIR also estimates presently of the Highway 1996 Final Subsequent protestants) which from the stream system by various The following the gages. - the quantity purposes diversion of the 3,655 afa of both upstream works. The and (City 2, Vol. 1, P. 3-41.) The runoff pattern changing land use practices the agricultural within Camrosa converted parcels has been subject Water District utilize State Water overlying Project projected use boundaries has recently systems. (City 6, p. 2-16.) water has increased first became Return other land use practices. been Basin, available) flow is-generated 1972 with importation of (the year when to 1,300 afa in 1985, and by runoff -27- Imported over time on lands to reach 2,400 afa by the year 27.) Basin (City 61, and the residential from a low of 350 afa.in water Much of water. the Santa Rosa Groundwater the Santa Rosa Groundwater water ranging imported septic over time due to and use of imported land overlying to residential to change 2015. (City 6, p. 2- from irrigation and Although the record establishes from imported possible water has increased to determine locations which its application the overall in recent years, precipitation flow from imported to requesting water. flow at most and that which The City has limited the right to divert treated and a "base flow" of 4.0 cfs which is attributable return flow from imported appropriate quantity any water of water water. that may be available. SWRCB has not sought to define 5.1.4 treatment in the Calleguas vicinity contribute discharge any water of treated system may contribute waste to seek to In determining the the the source of the water. facilities System shown below Creek watershed, of the City's proposed ji by those applicants, Discharge into Calleguas Creek Stream Waste Water Treatment Facilities The waste water located The other applications for appropriation flow it is not amount of measured is due to in-basin is due to return water that the amount of return project to the total quantity /// /// /// /// /// /// /// /// /// /// -28- 5 are and they do not However, waste water to the Calleguas /// in Table Other but they are not in the to the City's project. for other purposes. from any Creek stream of water available TABLE 5 Treated Waste Water Production Camrosa, Moorpark (County Waterworks District No. and Simi Valley County Sanitary District Per 1994 Ventura All to Either Camrosa WWTP Agency 1 I 2.6 cfs ( 1,847 afa) 2.8 cfs 3.1 cfs 3.4 cfs ( 2,054 afa) ( 2,253 afa) ( 2,455 afa) 14.5 cfs (10,512 afa) 15.8 cfs (11,408 afa) 17.li'cfs (12,357 afa) 18.4 cfs (13,309 afa) 5.6 cfs afa) ( 4,661 afa) 2000 4.0 cfs 4.8 cfs into Arroyo of Arroyo Las Posas, thence Calleguas discharge is approximately of Calleguas 2005 I ( 3,451 afa) The Simi WWTP discharges Simi, which Creek. Creek. percolates into the sandy stream channel. (Staff l:WW-18, The Moorpark flow for a limited distance Creek, of Calleguas percolates downstream does not contribute pattern continues and then Flow in the Arroyo of May through October. Table 4.) of Calleguas to late fall. of of the confluence distance, for the months WWTP discharges WWTP discharge is a tributary The discharge as surface Simi near Simi is minimal 6.4 cfs The point 17.5 miles upstream Creek and Conejo 2010 I ( 4,081 downstream confluence 4.6) 1995 WWTP tributary Report Values Converted From MGD CFS or AFA (City 25,Table ( 2,887 afa) . Works I Simi WWTP Moorpark Public 1) into Arroyo roughly Las Posas, which 8.5 miles "upstream of the Creek and Conejo Creek. into the sandy stream of the point of discharge. any flow to Calleguas The Moorpark channel Arroyo a short Los Posas Creek from late spring (City 1, Vol. 2, p. 4-16.) is documented is a The intermittent in the Draft EIR for the Arroyo flow Los Posas I Sediment l:A29827, Control Project and the City's EIR. June 1992 Draft EIR; City 1, Vol. 2, p. 4-17.) -29- ---- .----. 1991 Final ___.-.__=_. (Staff Historically, RWQCB the Camrosa WWTP has not been authorized to discharge to the stream purposes. Water from,the to farmers for irrigation Camrosa p. 2.) appreciable Therefore, quantity WWTP except either sold to groundwater. 1, Application the Camrosa of water for emergency is generally use or discharged (City 25, Vol. 2, p. 96; Staff 12-3-97, system, by the 30194, letter dated WWTP has not added any to the instream flows. I’ The Camarillo adjacent to the Camarillo and utilizes 12-3-93 WWTP discharges the water WWTP purchases to irrigate Camrosa letter.) contends or use all of the effluent, effluent system, generated primarily of approximately into Conejo by the plant at night. cfs to Conejo 500:15.) which Creek. is generated have submitted: Camarillo is discharged Camrosa (Staff l:A30194, the quantity by the treatment (1) the actual WWTP;' or (2) USGS streamgage The City average of 3.2 and 498:4- of unappropriated facility, discharge to the creek. letter.) a monthly II, 467:3-469:16 half of the that an average is abandoned 12-3-93 cannot take to the stream calculates 30194, (T, Vol. waste water that the landowner WWTP discharges In order to verify the treated his lands. 2.3 cfs of effluent the Camarillo A landowner and that approximately (Staff 1, files on Application estimates Creek. the parties records rec0rds.l' water could for the None of the 9 The Camarillo WWTP submits self-monitoring reports to the RWQCB, which are The City provided data on monthly discharges from available for inspection. (City 1, Vol. 2, p. 4-18.) the Camarillo WWTP to Conejo Creek only for 1989. This data showed that discharges from the Camarillo WWTP varied from 1.5 cfs in July to 4.8 cfs in December. 10 To determine the quantity of water contributed to the stream by the Camarillo WWTP, the USGS records (Table 4) for Calleguas Creek at Camarillo State Hospital would have to be analyzed and adjusted for the following (1) treated waste water generated by Hill Canyon WWTP; (2) urban factors: runoff; and (3) existing diversions. -3o- ‘. I a parties provided discharged evidence on the quantity by the Camarillo WTP which of waste water is lost to evaporation and seepage. s For the months of May through October, Table 4 documents that the ‘, flows in Calleguas Creek are lower than flows in Conejo Creek upstream confluence.ll have helped Creek downstream of its confluence If the flows had shown an increase, document the quantity with Conejo of the that would of flow contributed by the ii Camarillo there WTP. However, is insufficient of water entering based on the record evidence to determine a discharge As discussed diversion. WTP, Moorpark water to the surface unknown amount of the City's Section habitat ,. _. .‘0 WTP point of shows that the Camrosa contribute flow in the stream proposed reaches contributes little or noat issue in this a significant the minimum water this proceeding,will Camarillo.WTP, DFG presented from the Camarillo flows necessary and vegetation. As discussed point of diversion. however, discharged unappropriated WTP, and the Simi WTP in this but of water to Conejo Creek about one mile downstream 8.3.1 below, that water maintain WTP, quantity WTP. discussed proposed above, the record The Camarillo proceeding. facilities water above the City's the SWRCB, the specific Conejo Creek from the Camarillo None of the waste water treatment section before WTP for the applications Moorpark WTP, to of riparian the determination under the output suggesting is needed for protection For these reasons, not consider testimony in consideration of in from the Camrosa or Simi WTP. The The Conejo Creek.Above Highway 101 drainage area is 64 square miles. Calleguas Creek at Camarillo State Hospital drainage area is 248 square..miles', Thus.,.the or nearly four times as.large as the Conejo Creek drainage area. winter runoff for these two drainage basins is not equivalent. 11 -31- 5.2 Water Needed The amount of water available competing satisfy to Serve Prior applicants depends prior water rights and environmental Rights and Other for appropriation Uses by the City and in part on the quantity and the amount needed purposes.- needed to for public trust Each of these factors are discussed below. 5.2.1 Water Prior Appropriative Right License Right Under License 12598 (Application Marketing and Hiji Brothers diversion of 0.82 cfs from Conejo 25274)" held by Cal-Cel authorizes year-round diversion permit issued to the City should be conditioned water right under License other applicants should Riparian Several upon bypassing any permits of water upstream upon protection water granted to of License 12598 of the prior right under Rights of the protestants on alleged provided protested injury to riparian information no monthly basis, Although rights. of water "riparian watercourses and in waters the protestants they 'divert on an water rights exist only in natural naturally flowing Chowchilla therein." (1933) 219 Cal. 1, 19; 25 P.2d 435, 442. imported from outside imported water based water use data was provided. rule, v. Martin the City's application on the quantity As a general Farms 3.4, any of the prior appropriative Similarly, for diversion in Section 12598. 5.2.2 annual 12598. be conditioned License As discussed for protection direct Creek, not to exceed a total annual sufficient of 306 af. 12598 of the watershed is not ordinarily and return available -32- Water flow from to riparian diverters. . E. Clement Horst Co. v. New Blue Point Mining Co. (1918) 1.77 Cal. 631, 171 P. 417. . Although Conejo the Calleguas Creek basin, available prior record for determining had water of water minimal. through into the creek; groundwater Water Waste (2) return The evidence prior to shows that Calleguas Creek i' streamgage site during the months The December flow, however, 4, Station Creek in recent years (1) discharge flows from surface and within (3) return runoff to applied 3.) waste imported the boundaries flow from groundwater use by Camrosa Waste water generated customers Santa Rosa Groundwater and groundwater Basin is directed water of Camrosa pumping basins. 13 in the from residential pumpers overlying into septic water and from urban water use in the City is treated Hill Canyon WWTP. was is due to water of treated the Santa Rosa and Fox Canyon groundwater water the best flow was present Creek watershed attributable the City boundaries and Creek provide from Metropolitan. 5.1.3 above, Table sources: accretions District; within April.12 flow in Conejo from the following than the from Metropolitan (See Section The continual within of water in it at the Camarillo of December is larger when natural the flow in Calleguas importation basin flow data for Calleguas to the importation regarding 0 Creek drainage water the systems. 12 (See State Water Proj.ect water has been available in this basin since 1972. The City began discharging treated waste water into the Conejo Section 5.1.2) Creek stream system in 1960. . 13 ReturnfFlow from groundwater pumping within the Pleasant Valley Groundwater Basin is generally directed into Revolon Slough, which f.lows into The locatkon where Calleguas Creek a short distance upstream of Mugu Lagoon. Revolon Slough outlets into Calleguas Creek is downstream of the water users identified in this proceeding. - -33- s - = si = -=.. =.: Camrosa sewer customers systems located to dispose elsewhere of residential The Santa Rosa Groundwater water levels prior treated basin began reestablished stable would rapidly water, Recovery levels Only a minimal during is natural water users discussed the months that the water available quantity diversion imported prior levels were the flow of the to the use of flow. water Inclusion from Conejo by of the at the City's point of to return of these conditions from infringing and Creek which established to a maximum waste water available April, is minimal. The conditions plus up to 4.0 cfs attributed by riparian through in December limit the City's diversions water.l' the SWRCB concludes of December to divert to natural of treated City's project to the use of for diversion to riparians The City does not propose this decision above, flow available only during is attributable if any, in the City. Based on the information that there was relatively of water, to the surface riparians of conditions the SWRCB concludes basin did not contribute water I in levels in the have remained basin prior Consequently, decline of discharge the period when groundwater for use by the downstream imported to a rapid the water quantity utilize water. to pre-overdraft the groundwater declining. groundwater stream 1970.14 have exited imported With initiation by 1970 and water since waste from Hill Canyon WWTP, to recover. the district Basin was subject to 1964. waste water within upon riparian flow from will prevent the rights. 14 "Staff Report on the Water Supplies and Demands of Lands Within CamrOsa Water District," Reports. October 1992, page 17, Application I.5 29408, Miscellaneous The quantity of treated waste water available for diversion by the City does not include the 2.0 cfs of treated waste water dedicated to fish and wildlife pursuant to Water Code section 1212, nor does it include the amount (Footnote continued next page) -34- 5.2.3 Water Needed The environmental affected for Instream and public are discussed 2.0 cfs of treated dedicate in Section trust uses. 8.3.1, the record minimum bypass diversion In accordance Analysis Determining requires of Data necessary on Water present of water of streamflow determining evidence Creek changes in the Calleguas the need for a stream in determining for appropriation for appropriation records, of public and the quantity trust values. in water use and the sources of water complicate present of In this of water the task of for appropriation. the sources of water genera 1lY data on existing basis of right, Creek watershed the availability regarding 1243 and the Availability for protection extensive instance, is available point of applicants. the availability examination and and public Code section trust resources, under which water water uses under a recognized water proposed of environmental with Water public by the City and competing a of environmental flow of 6.0 cfs must be taken into account the conditions 5.3 will provide in Sections 8.2.2 and i' proceeding establishes that a for protection duty to protect to as discussed in the present is needed The below. the City proposes for protection However, by competing 8.0 through.8.3.3 flow of 6.0 cfs at the City's trust values. SWRCB's diversions of fish and wildlife of the water needed public and water waste water which to protection portion bypass trust uses of water which could be by the City's project applicants Flows The in the Calleguas system and the use of water under prior rights is of treated waste water lost to channel losses between the Hill Canyon WWTP and The portion of the 4.0 cfs of water the City's proposed point of diversion. attributable to return flow from imported water which is available for diversion by the City at a specific time will depend upon the amount of water available from other sources to meet minimum bypass flow requirements. -35- discussed water in Sections needed Section 5.0 through for protection 5.2.2 above. The quantity of instream uses is referred 5.2.3 and evaluated in Sections 8.0 through of to in 8.3.2 below. . Appendix water I of this decision in Conejo Creek from 1974 through increasing inherent evaluation of diversion The calculations gage under flows in Conejo through I is helpful of unappropriated assumed in Appendix the and the in water which at the City's proposed conditions. I begin with the monthly Creek above Highway The recorded 1988. use, serve to limit the to be available certain reported data from past data!' Nevertheless, quantity be expected in water into the basin, shown in Appendix the average can reasonably changes in precipitation, of the data of unappropriated 101 using streamflow imported that can be drawn determining point Continuing of water variability conclusions above Highway 1988. quantity shows calculations 101 for the years gage flows are then adjusted 1974 as follows: (1) The measured discharged monthly quantity of treated waste water from the Hill Canyon WWTP, minus reflect the average channel losses over that period, measurement. water 16 discharges quantity This removes of treated waste water is subtracted regarding lost to from the gage the effect of treated from calculations that may be available 2.0 cfs to other waste water for appropriation. 16 The amount of treated waste water which arrives at the point of diversion is composed of the 2.0 cfs which the City has proposed to dedicate to instream flow pursuant to Water Code section 1212 plus the remaining water available for diversion by the City. -36- (2) The quantity of water needed to satisfy 0.82 cfs under (3) The estimated License After adjusting above three the amount WWTP, of water that would is based diverters the resulting flows to account number provides have been available analysis shown. except As discussed upstream channel to dedicate in Section waste to provide: applicants contracting water available after accounting for losses and the 2.0 cfs which the City proposes water present instream (1) at the point of diversion flows in excess dedication section (2) water which can be diverted 1212, to its application water, junior of treated waste water under Water to appropriate and is available of the 2.0 cfs provided by the City's applicants 5.3.2, the to fish and wildlife. The remaining imported of and other uses that the City, or those at the point of diversion for the the Hill Canyon for competing with the City, will divert all the treated for diversion of the an estimate for divyrsion of water availability on the assumption upstream is added.17 from all sources, in each of the months SWRCB's of water diverted the reported monthly factors, right of 12598 is subtracted. quantity gage by unauthorized the prior by the City pursuant 4.0 cfs of return (3) water which Code is available flow from for diversion by to the City.l' 17 ., This decision informs the parties diverting water from Conejo Creek of the SWRCB's findings regarding the months of the year when naturally occurring runoff is present in the stream system for diversion under riparian rights. The majority of those diverters have signed agreements to purchase water to be we anticipate that unauthorized Therefore, provided by the City's project. water use will be curtailed and will be replaced by use of water delivered by pipeline to those diverters under the City's water rights. . 18 The figures for unappropriated water shown in Appendix I reflect the assumption that diversions upstream of the City‘s proposed point of diversion which occurred during the months of December through April were pursua.nt to Continued diversions by riparians at historic levels during riparian rights. (Footnote continued next page) -37- Water 5.3.1 Availability The City seeks for to appropriate the City's Application treated waste water discharged the Hill Canyon WWTP and return flow from imported quantity of treated waste water produced fluctuated over the years fluctuate in the future. losses between amount to approximately to dedicate diversion 1212. 29408 The water. by the City has (see Table 1) and will continue As discussed from in Section to 5.1.1, channel the Hill Canyon WWTP and the point of diversion In addition,, the City proposes II 2.0 cfs of treated waste water reaching the point of 2.0 cfs. to fish and wildlife Therefore, for diversion pursuant to Water Code section the treated waste water potentially at the City's proposed point available of diversion quantity discharged at the Hill Canyon WWTP minus account for channel losses and the City's proposed equals the 4.0 cfs to dedication to fish and wildlife. The City's NPDES permit water discharged water right application conditioned requires to the stream system. upon the City limiting to the rate of discharge minus a constant divert of treated Any approval and waste water change water Application daily monitoring as measured of the City's petition its diversions waste should be of treated waste at the Hill Canyon WWTP flow of 4.0 cfs. 29408 also requests 4 .O cfslg of return that the City receive flow from imported the December through April period would not be expected estimates of unappropriated water shown in Appendix I. 19 water. the right to As discussed to affect the The City estimates 1,954 afa is available from South Fork Arroyo Conejo and This equals 2,894 afa 940 afa is available from North Fork Arroyo Conejo. which is 4.0 cfs (2,894 afa x [(l cfs/1.98 af/day x I (241 af permonth), year/365 day] = 4.0 cfs). The City asserts that urban return flow from use of imported water is constant throughout the year (City 31A), but has not provided (Footnote continued next page) -38- in Section 8.3.1, requirement * for instream 6.0 cfs at the City's amount, .-) the SWRCB concludes to dedicate section 1212, thereby from other sources. to fully satisfy of return point, flows and public proposed to instream leaving in order request Table shows the percentage water 6 below Using Creek over a 30-day period reaching the point Code 4.0 cfs to be made up for water A flow of 8.0 cfs for a 30-day period 476 acre feet. Conejo to Water the City to be available 4.0 cfs Creek at the proposed diversion I' waste water, must be 8.0 cfs or for treated approximately is for a right to divert flow, the flow in Conejo after deducting greater. use pursuant flow Of.this waste water which an additional Therefore, the City's trust purposes point of diversion. 2.0 cfs is made up of treated proposes that the total bypass the figures of months equals from Appendix during which (after subtracting of measurement) flows in treated were within I, waste a specified range. TABLE Availability (Not Flow 6 of Unappropriated Including Treated Data From Appendix Water in Conejo Waste Water) I "Unappropriated 0 to 237 238 to 356 357 to November lApril 30 18.9% 7.8% May 1 to October 31 37.8% 20% Water* ,Creek (AF) 476 to 594 >594 5.6% 6.7% 61.1% 15.5% 8.9% 17.8% 475 .. W The SWRCB believes that it is likely that evidence to support that conclusion. less water is required for landscape irrigation during the winter months than during the summer months and that it is reasonable to expect a commensurate To some extent, however, reduction in urban return flows during the winter. any reduction in urban return flow reaching Conejo Creek during the winter months would be offset by a reduction in the amount of channel losses for water from'all sources. -39- As can be seen from Table April, monthly exceeded months 476 af approximately only 27 percent summarized April period, desired bypass requirements bypass approximately Stated water of the time. During (not including 62 percent period, request of water proposed requested pumping to be available with reasonable the November waste water, users. basis, flow requirement through for diversion to reduce groundwater the the City's to diversion of treated to the City complying and all other conditions -4o- months. in this instance, to approve subject will be April the remaining Therefore, 4.0 cfs, in addition on a year-round with the bypass primarily that it is appropriate to divert the majority 4.0 cfs which the City requests is intended water to be available is made up of treated two thirds of the time during by existing for waste water) however, and there will be some water available SWRCB concludes request is expected project only 27 appropriations is expected In this instance, most of the time during The proposed up flow the 4.0 cfs needed 2.0 cfs from treated about approving The additional approximately to meet the water to meet bypass of water which the City seeks to appropriate available way, of the time. less than half the time. certainty. another the May through and the City's 4.0 cfs diversion waste water which of and to allow the City to divert there was sufficient the quantity in excess 476 af to treated waste water diversions) 68 percent The SWRCB is cautious where there was sufficient of the time, but the flows exceeded flows For the flows exceeded of the time. flow requirement period, of diversion of the time. the monthly through in Table 6 shows that, for the November (in addition approximately percent October, 62 percent through to 4.0 cfs 68 percent point of the time, but the flows were 238 af approximately the analysis of November flows near the City's proposed of May through October 6, for the months of this . decision. sources The SWRCB recognizes other that the full 4.0 cfs than treated waste water) for diversion during frequently * available c In summary, the maximum application and waste water change petition rate of diversion allowed under the City's will depend from the Hill Canyon WWTP. projected,capacity for the Hill Canyon WWTP, loss between will not be some months. rate of discharge go to channel (from upon the Of the 21.7 cfs 2.0 cfs is a.ssumed to the point of discharge and the point of ;’ diversion. An additional 2.0 cfs will be dedicated by the City. to fish and wildlife as proposed capacity of the Hill Canyon WWTP, the City will be able to divert up to 17.7 cfs or approximately discharge waste 81.6 percent from the plant, and approximately water reaching the proposed times when there is sufficient meet bypass flow requirements, to an additional at the projected Therefore, of waste water 89.8 percent point of diversion. additional of the During flow in the stream to the City will be able to divert 4.0 cfs attributable to return up flow from imported water. In addition point to the treated waste water which the data in Table of diversion, than 4.0 cfs from other sources.present point Adding of diversion. point in a minimum of diversion 4.0 cfs of water it is desirable public from other sources to instream to use. will proposed under most conditions. in Sections to provide 8.0 through a minimum 6.0 cfs at the City's point of diversion. strong is more at the City's proposed flow of 6.0 cfs below the City's For the reasons-discussed believes the City's 6 show there usually the 2.0 cfs of treated waste water dedicated result reaches policy considerations -41- 8.3.2, instream However, encouraging the SWRCB flow,of there are- the use of' reclaimed water should be especially reduce ground interests encouraged water pumping SWRCB concludes water (See Water Code section water. results in allowing cfs to account proposes diversion for channel to dedicate to instream of additional balancing water The City's from other sources only when a total of 6.0 for instream Y its treated WWTP less 2.0 cfs which uses. the of competing from the Hill Canyon losses, it can help In this instance, the City to divert at the rate of discharge Use of reclaimed in areas where and overdraft. that an appropriate 461.) waste less 2.0 the City proposed should uses is' bypassed be allowed at the City's point of diversion. A final point regarding the quantity by the City concerns appropriation of the water channel proposed point of diversion proposes to dedicate to fish and wildlife. diverted and applied to beneficial City receives point above for the City's the City The amount of water use under any permit 29048 will not include which the the channel the Hill Canyon WWTP and the City's nor will it include of diversion, dedicated and the 2.0 cfs which on Application losses which occur between losses available to fish and wildlife the 2.0 cfs of water under Waste Water Change Petition WW-6. Although adjoining the channel groundwater from numerous storage control basin, other streams. supplement Code Regs., losses may serve to help recharge the the same is true of channel The City did not file an underground as part of its water right application tit. 23, § 7331, nor has it demonstrated the quantity losses of water which exits the stream -42- (Cal. how it could channel as _ 0 deep percolation.20 percolation The quantity of water lost to deep above the City's point of diversion for appropriation at the point of diversion is not available under Application l 29408. Similarly, the 2.0 cfs which to fish and wildlife pursuant the City proposes to Water Code section to dedicate 1212 will not I. be considered available 5.3.2 to be water appropriated for appropriation Water The eight Availability located water of water on Conejo Water below. for Junior Applications i' filed with the SWRCB in the vicinity Creek and Calleguas for appropriation 0 instream flows and the quantity of prior rights. pending The analysis junior applications including the number locations of proposed of water Conejo involved, points of diversion, and the yearly the analysis availability in April, availability for the applications the applications significant availability evaluated on Calleguas additional the different below considers water Creek separately Creek during applications April, on both streams Counsel for the City specifically acknowleded that there is no [ground (T, Vol._ 1, 150:5-150:6.) water] recharge component to this project. -43- from of for April. 20 in of water Due to the absence flow in Calleguas sources flow fluctuations the exception on Conejo Creek. for all the junior jointly With factors the different and monthly Creek. for for the by several involved, only for satisfaction availability is complicated of applications Creek and Calleguas by these applicants of water needed of is addressed the 6.0 cfs needed of water are The availability Creek. for diversion when the flow in the stream exceeds for of the City's project by the junior applicants is available it be by any other party. junior applications appropriation by the City, nor will water is Availability of Water for Annlications on Coneio Creek (Applications 29581. 29816. 29819, 29959 and 30092) The best information the availability applicants of water on Conejo and the analysis Section available to the SWRCB for use in determining for appropriation Creek is provided of May through (beyond the treated divert) only 27 percent satisfy the City's October, request of the time. right is expected water available Creek for the period 29819, satisfying of May 1 through diversion 29959, need available the City's (from sources City). City's Therefore, to satisfy approximately October to 31. under Applications Maintaining 375 af. 29408 for 4.0 cfs (in addition satisfying the to the 2.0 cfs to fish and wildlife by the flow requirements, 29408 and the need would require a only after waste water) and for instream applicants to on Conejo take approximately right under Application the for water a total of 850 af over a 30-day period. The data in Appendix April water less than applications requested flows dedicated accounting the junior that, of 4.0 cfs of to be available for these applicants other than treated in Since the 4.0 cfs needed demand under Application waste water prior for diversion and 30092 is 6.31 cfs. for 4.0 cfs for instream of treated there is sufficient I that there is insufficient flow of 6.31 cfs for 30 days would would-be in Table 6 indicate to serve later priority The total rate of direct As discussed waste water which the City proposes half the time, the SWRCB concludes Water by the data in Appendix the data presented to meet the City's 29582,' 29816, by the junior of that data shown in Table 6. 5.3.1 above, for the period water available 0 30 period, I show that, during 850 af is available -44- the November approximately 1 to 50 percent of the time.*l The unappropriated water figures are calculated using gage flows in Conejo 101. flows reflect existing The gage claim by three of the applicants Goldberg). Thus, a portion Applications being 29582, diverted "unappropriated April.22 Since there is no evidence riparian Ranch, and to be appropriated and 30092 in determining for the months I Creek above Highway (Lamb, Fitzgerald 29816, 29819, 29959, water" in Appendix water use under of the water and was subtracted shown of under is already the amount December of through that the Lambs, Fitzgerald i’ Ranch, or Goldbergs winter months, applicants on Conejo Examination Conejo indicated regarding appropriation explained below April, claims Applications on Calleguas 29816, 30. of water to satisfy proposed Creek water available diversions (Applications I and the claim on available 29819, However, as availability under The data in April under the earlier during downstream demands for indicate of most years applications 29581, 29816, and 29819), for downstream.riparian for 29959, Creek makes water unavailable 29959 and 30092 during April. is sufficient accounting is water for water to serve diversions that there Conejo through April 1 in the discussion the demand riparian 29582, the I. under riparian that there under Applications from November to exceed flow data used in Appendix indicate and 30092 for the junior by data from Appendix current diversions would of water Creek would be expected of the monthly Creek, their water use in the the actual availability 50th percentile evidence intend to increase on even after on Calleguas Creek. . 21 . The need for water to satisfy the prior right to 0.82 cfs under License 12598 was taken into account in determining the "unappropriated water" figures in Appendix I. 22 Based on the quantities of water requested in their applications, the Lambs, Fitzgerald Ranch, and the Goldbergs may have been diverting up to 4.7 cfs of the 6.31 cfs requested by the junior applicants on Conejo Creek. -45- Availabilitv of Water for Appllcatlons on Calleauas (Applications 29829. 30037. and 30194) Applications diversion 30037, and 30194 request 29829, rate of 5.23 cfs from Calleguas Creek a combined Creek. direct The flow data . summarized through the average October, confluence Creek with Conejo above Highway higher that, during in Table 4 indicate flow in Calleguas of May Creek below the Creek is less than the flow in Conejo during Therefore, 101. flows that may have been present the confluence the months Fhose months, in Calleguas any Creek above with Conejo Creek appear to have been diverted upstream. As discussed in Section information Creek indicates through 27 percent the City's of the time during almost entirely to satisfy the time during the City's application water available on Calleguas Creek during indicate exceed that average to approve the months of November through normally above, be water of May of May through flows in Calleguas the available available is October. Creek at Station for the pending is applications the data in Table data indicate -46- is that there the junior March, 29408 much less than half the flows in Conejo Creek by between discussed in Conejo Since water the SWRCB concludes those months, flow in Table 4, it appears by Conejo Creek. insufficient For the months the months Creek during those months that the flow in Calleguas available water request under Application Based on the information October. contributed of the available that there is sufficient to fully satisfy only about 5.3.1, our analysis 4 2 7 cfs and 54 cfs. that there applications should on As Conejo Creek for the months of the significantly Of the confluence through March, with Cone30 under for the months through flows in Calleguas Creek during the SWRCB concludes for appropriation Creek higher of November the pending of December water is applications through Availability of Water Durincr April Conejo Creek and Calleauas Creek Creek downstream the months that there In view March.23 of November available on Calleguas March. for Junior Applications on I' Due to the higher November through availability the Conejo reported Calleguas March, Creek applications April, monthly Creek downstream Creek is the primary demands on both Conejo it is appropriate applications The flows an average The estimated claims on Calleguas riparian for those months. of water 4 indicates demand of water water calculations based on evidence the almost that (or 59 af) is 163 af. to meet Creek availability in for for the month of April. can be determined under through in the record. 23 from to meet riparian of the confluence for appropriation in question 1 cfs Creek and Calleguas jointly applications is provided of about source to examine on both creeks The availability that during April, Table of water separately Creek inflow. Creek contributes Since Conejo to evaluate Creek below the confluence from Conejo the months Creek applications indicate in Table 4, however, during April. Creek during it was possible of the Calleguas flow in Calleguas entirely flows in Calleguas the a series of The calculations The additional flow in Calleguas Creek during the months of November through March is more than sufficient to meet the 5.23 combined direct During December diversion rate under Applications 29829, 30037 and 30194. Creek is also more than sufficient to through March, the flow in Calleguas meet an estimated demand of 163 af per month for identified diversions-under riparian claim. -47- begin with the unappropriated Appendix The unappropriated I. Appendix. I are then adjusted the City's demand inflow The quantity factors water of water available is used to determine of the calculations is expected indicate April. 20 percent The analysis water described applicants requesting available in diversions appropriations, rights. the SWRCB concludes for diversion 29819,should include 30092 would to conclude 30092, on Applications that during April 29581, The 29816, and for the claim and the proposed that the season of water under Applications the month of April. -48- 30194 and 30194. After accounting under riparian availability only of the time. for appropriation 29959, 30037, permits 29819 also claim riparian overlap of the years of the time; and Application only 7 percent 29829, 29581, 29959 and 30037 would be above leads the SWRCB is not ordinarily under Applications 47 percent of the time; Application 13 percent be fully satisfied the month of April. 29829 would be fully satisfied of the time; Applications for that Applications during would to be available during and 29819 would be fully satisfied be fully satisfied for the pending the under each application fully satisfied for those for each year to determine 29816, 27 percent 59 af. The that water Application and the by date of,,filing. are performed The results to meet flow demands, water availability calculations appropriation riparian after accounting in order of priority of years shown in for water needed Creek of approximately applications percentage shown in for April 29408, instream downstream from Calleguas for April figures to account under Application estimated requirements, additional water numbers 29581, 29816, and Summary of Conclusions Applications Regarding Based on the evidence above, in the record the SWRCB concludes permits granted include the period diversion 30037, on Applications March right permit In this instance, 29829, 29959, the evidence intending on the pending applications. The SWRCB's pending Applications SWRCB 29408, evaluated all available of Mugu Lagoon the next revision reason that there is the applications of this decision October The record flow requirements through 31 from the -49- before establishes specified existing the thtit, in this rights and the ordinarily Creek stream will consume system upstream October. in this decision, of the Declaration issued Listing for the applications in this decision for caution under any permits and 29819, flow in the Calleguas Based on our findings in flow establish of water under during April wide variations to fully satisfy proceeding. the instream time. Streams 1 through that at a particular With the exception of April the diversion applications water 1 of a water no guarantee an additional season of diversion after meeting decision, regarding 29581, 29816, in.the present theiissuance provides in this decision the SWRCB. the period authorized the period November instances, to divert water available before excludes include of Fully Appropriated findings insufficient April to the permittee to storms provides Declaration 29816, and 29819 should issued on Applications by any parties 5.4 for any The season of on these applications water will be available in response 29581, 1 through As in other 31. described 30. November for any permits and the analysis for Junior that the season of diversion 30092, and 30194 should through Water Availability the SWRCB concludes of Fully Appropriated that Streams should include of Mugu Lagoon, should the City, located include April Creek stream 1 through -. Camrosa, authorization about 400 feet upgradient previously advised files on Application 29408, factors, the City has, for diversion There letter dated 3-20-96.) diversion water of evidence and delivery of use for water diverted (SWRCB 1, City boundaries. and deliver In the absence Application (T, WWTP. in the file indicates and other water within City would use to divert proposed the City is of the Hill Canyon in the 'record of specific boundaries. water within SWRCB staff that the City does not presently to use project evidence to use project Correspondence I, 304:19-305:4.) BY CITY The land with&n and PCVWD. that, due to cost considerations place upstream with hydraulic during which the Calleguas PLACE OF USE FOR WATER APPROPRIATED intend system 31. The City has requested Vol. Creek stream all tributaries is fully appropriated October 6.0 including The period continuity. system the Calleguas facilities of water City facilities to that area, under any permit 29408 should not include that the for use within of the specific is no the issued on the land within City boundaries. The City also owns land located the boundaries of Camrosa. 4-95 engineered map provided drawings owned parcels. indicates (Staff 1, files on Application and a-30-95 letter.) (Staff 1, files on Application The change petition that the City plans to utilize of the one of the City- 29408, 4-95 filed by the City 1,440 afa to irrigate (Staff 1, files on Application -5o- 29408, As shown on the and Conejo Creek flows through drawings.) these lands. of the City limits within by the City, the land is located downgradient Hill Canyon WWTP, engineered outside 29408, 6-12-95 a change petition.) developing would 4 The City is exploring a regional include a golf recreational the feasibility of facil ity at the site which course and equestrian trails. (T, Vol. I, 136:10-136:21.) :- The City has not yet determined specific type of diversion proposed regional 136:4-139:19.) environmental regional the absence diversion In addition, documentation of more specific facilities needed facility. required information exclude lands in Camrosa the diversion facilities are available, that the information to add a point of diversion The places 29408. 29408 approved in this decision Pleasant Water District and the Camrosa District, County excluding about facility of use for Application Valley to be the completed to serve the proposed of use under Application the 29408 should When and more specific needed evaluating which are proposed facility. the City can petition and amend its place document under Application recreational In about the proposed the SWRCB concludes diverted documentation the (T, Vol. I, 136:22-137:12.) facility, environmental I, under CEQA for the proposed place of use for,water used for the regional to serve the (T, Vol. and an environmental the City-owned or the the City has not,,yet produced facility. impacts of the proposed a facilities recreational recreational the rate of diversion the land owned by the City within are the Water Sections 24 and 25, T2N, R20W, SBB&M. 7.0 MAINTENANCE OF REGIONAL GROUNDWATER BASINS Y The three groundwater Oxnard Plain Basin, basins within the Pleasant the project Valley area are the Basin and the Santa Rosa . Basin. As noted overpumping !a occurs in Section is a primary 2.0, seawater concern in the Point Mugu area. in this area. -51- from Seawater (City 25, p- 161.1 I I intrusion intrusion In addition to seawater intrusion issues, groundwater pumping overdraft of some of the local groundwater The upper aquifer Oxnard in the Oxnard and Mugu aquifers. not underlie basin system the Pleasant is separated folding which The confined water-bearing overdraft condition. Fox Canyon Aquifer Basin, existing As discussed was in a state of overdraft treated 1975 groundwater in the vicinity in Section until to oversee Canyon Valley pumpers their pumpage a 5 percent prove the groundwater and North GMA instituted requires reductions of drilling (City 9, to be in an reduction Agency may not be required. in areas (GMA) was of the Oxnard Plain, (City 25, p. 159.) reduction ordinance GMA boundaries over the next 25 years, efficiency new wells system. the Fox Canyon by 1992. a 5.1.1, the Santa Rosa Basin basins Las Posas. by 25 percent levels showed and north of the City Management an extraction within an irrigation by the City began discharging waste water into the stream Pleasant The is i+he most important and it is believed In 1982, the Fox Canyon Groundwater formed barriers. do (City 9, p. 67.) Valley cone of depression of Camarillo. (City 9, p. 67.) act as groundwater zone in the basin, In the Pleasant systems from the Las Posas and Santa Rosa Basins and faulting Pm 67.) by the and Mugu Aquifer Basin. in basins. Plain is'defined The Oxnard Valley has resulted (City 25, p. 164.) of 80-percent subject to seawater which to reduce beginning If users efficiency, The plan includes The Fox with can then a prohibition intrusion. (City 25, p. 168.) The record establishes area are subject that the groundwater to significant impacts -52- basins in the project due to the levels of ongoing pumping. The City's project these groundwater Pleasant Conejo Valley basins by affecting and Oxnard and Calleguas Creeks (City 2, Vol. 2, p. 3-40.) primary objective recaptured Camrosa imported to flows are reduced. is to utilize Ventura that the reclaimed for irrigation water and local groundwater in the adjacent The City has indicated water to impact recharge immediately as instream and PVCWD to help alleviate imported groundwater Plain areas of its project foreign has the potential and of lands within County's supplies,. reliance on (City 2, Vol. 1, P- 2-4.) The RWQCB staff requests into consideration purpose rather that any permit the need to utilize of regulating than putting and modifying approval of the City's project a reduction to or greater existing of groundwater of water are presently basins. to numerous by an amount 1B, Creek equal for from the City's irrigated; (RWQCB 1, any manner: and (3) require for the Calleguas In this instance., water developed the (RWQCB 1.) from Conejo project Plain groundwater or increasing pumping (2) limit use of water a water balance pumping, that the SWRCB condition the City's project; City to develop for the groundwater in the following than the diversion lands which water in production. the RWQCB staff requests (1) require project new lands into production use of water on lands currently Therefore, issued to the City take the and Oxnard and 2.) by the City's project water users who will be utilizing water will go from both l ground water and surface different controls source of supply. agriculture water supplies based on the particular ongoing In addition, to urban uses affect from the City's project shifts in land use from reclaimed Finally, the SWRCB is in demand. -53- to place of use and the the area where 0 I which are subject water recognizes that much of the land within Plain groundwater basins is outside of the City's The SWRCB agrees with the RWQCB staff's the water developed alleviate existing overall supply problems and water users in combination project, place water City's project Although the number with land use patterys make it infeasible of water in the proposed in the manner staff, to condition requested version of Standard it is important Permit by the RWQCB that any water Inclusion the permittee to develop proposed to consult and implement such further time as may be allowed In this instance, conjunction with Camrosa diverted adequacy the required under take into consideration appropriated by Term water use. with the Division within of Water The plan. one year or for good cause shown. plan should be developed in and PVCWD and should cover all use of Application of the City's recommended right permit efficient for approval of the staff. a water conservation plan is to be submitted of of a modified Term 29 in any water to the City will help to promote 29B requires approval to impose the requirements the City be used very efficiently. water than to increase involved with the City's proposed the SWRCB declines by the RWQCB Rights that of use and the City's lack of control over areas outside City boundaries, issued of ensuring is used to help rather However, and Oxnard control. objective by the City's project water use in the area. suppliers the Calleguas 29408. water conservation In reviewing the plan, the SWRCB will the extent to which water use within the E permittee's irrigation place of use conforms efficiency standard to the overall applicable 80 percent to lands within the FOX i Canyon GMA and the extent to which the City, Camrosa, and PVCWD l -54- have adopted efficient 8.0 and are complying water management ENVIRONMENTAL In evaluating AND PUBLIC TRUST project, trust 8.1 presented issues Under CEQA, preparation (FEIR) for the proposed EIR (City 1 and 3A.) (1) of water; compelled impacts responsible documents for the which evaluate of the project. In November and certified it in January project, Subsequent to certification with respect the City to prepare in April allocation for various in the projected a Final Subsequent and physical by include: distribution and of the project; available 24 to the proposed The changes authorities aspects of the 1991 1996, which was certified (City 2 and 38A.1 (2) shifts in financial (3) reduction 8.3.3 below. Impact Report in the proposed responsibilities Act a Final Environmental (FSEIR) for the project changes 8.1 through environmental of changes occurred the City in May 1996. Quality 21000 et seq.) and other ii The environmental and public in Sections environmental proj.ect which pursuant Code section of appropriate FEIR, a number prepared CEQA the City completed 1992. the information Environmental at the hearing. With trust issues regarding documents the City is the lead agency the potential 1991, and public of the California are evaluated Compliance standa-rds for ISSUES the SWRCB reviewed ("CEQA," Public Resources accepted in California.24 in the City's environmental to the provisions evidence practices the environmental the proposed presented with widely supply of treated waste the efforts of the Department of SWRCB Resolution No. 97-018 endorsed Water Resources in developing a memorandum of.understanding regarding efficient water management practices by agricultural water suppliers (MOU). A relevant ,factor in the ShQCB's review of the City's water conservation plan and PVCWD have agreed to abide by the water will be whether the City, Camrosa, management practices established in the MOU. -55- water; (4) relocation Conejo Creek Diversion (5) revisions California Project of the Ventura Regional information of the proposed Water (CCDP) diversion Quality Control species. into the 1996 FSEIR. for the structure; County Water Management on special-status were incorporated point of diversion Plan and the Plan; and Portions (6) new of the 1991 FEIR (City 2, Vol. 1, pp. S-l & l-l to l-4; City 2, Vol. 2, pp. S-l; T, Vol. II, 333:11-334:20; and City 34A, pp. l-2.) ii The 1996 FSEIR recognizes and appurtenant further facilities supplemental diversion was circulated had not yet been finalized CEQA documents of water under & 2-3 to 2-4.) that the design of the diversion the project. In February by Camrosa and that prior SWRCB takes official 1996, a draft negative declaration for the Conejo Creek Diversion Camrosa adopted diversion that, subsequent notice a final mitigated structure May 23, 1996 Final Mitigated proposed "flow control along Arroyo proposed Negative 1989, the City adopted In August Project Conejo approximately stated purpose and measurement downstream declaration Declaration for the Camrosa for the CCDP.) declaration station" for its to be installed 7 miles upstream of the City's (City 7, City 27A, p. 6; City 32A.1 for this facility of the water of the confluence The to the hearing, (Staff 1, A29408, a negative and monitoring point of diversion. The City's negative on May 23, 1996. to (City 2, Vol. 1, pp. l-3, (City 16; City 27A, p. 7; T, Vol. I, 54:20-55:7.) (CCDP). Arroyo would be required works is to provide in the stream channel control at a location of the North and South Forks of Conejo. The SWRCB is a responsible (Cal. Code. Regs., agency for the project tit. 14, § 15381.) -56- under In this capacity, CEQA. the ,. SWRCB must review documents d and consider together the above-described with other information its own conclusions (Cal. Code. Regs., regarding approval of the proposed SWRCB must make the applicable findings each significant impact Regs., mitigation those parts decides 8.2 The SWRCB tit. 14, § 15091.) requiring of significant of the project to approve. subject significant which environmental the City proposes environmental related impacts impacts various to the diversion required (Cal. Code impacts for of which it tit. 14, § 15096(g).) Mitigation Documents identify Measures a number of the proposed measures. from Conejo are of project by the City which of water the under CEQA for is also responsible mitigation identified project. to its jurisdiction documents to reach appropriate, identified. (Cal. Code Regs., environmental Where environmental Environmental Impacts for Which Proposed in the EIR and Related The City's in the record tit. 14, § 15098(a).) environmental environmental for The are directly Creek are discussed below. 8.2.1 Impacts on Water Quality Both the 1996 FSEIR and the 1996 final mitigated for the Conejo Creek diversion declaration construction " associated and appurtenant facilities adverse on downstream impacts Calleguas # activities Creek, sedimentation. According (1) increase in turbidity in Conejo due to soil erosion include that may exceed for the Calleguas Control quality Plan; -57- structure Creek, and negative the following: water Creek watershed (2) physical state that short-term to the 1996 final mitigated these impacts would Water Quality with the diversion water declaration, objectives structure may cause significant and Mugu Lagoon negative quality in the 1994 Regional adverse effects on beneficial uses related (3) reduction in light penetration productivity fish; which, invertebrates; and within Staff which wildlife. which implemented Control jointly (1) complete construction vegetation removed preparation Water trapped fish and runoff offstream areas where to become fills of nonerosive upon completion reestablished; materials of construction; from steep erodible potential; and silt catchment to of rock, rip-rap, in disturbed be expected of temporary District than is necessary (2) placement materials and the following of no more vegetation stable areas of low erosion Vol. previously Plan be developed includes operations; to divert use of temporary wildlife the 1996 FSEIR proposes Municipal which reasonably immediately impacts, and Revegetation protection cannot '(3) installation problem for the CCDP, pp. 21-23.) by Calleguas removal or other erosion siltation 29408, Camrosa May 23, 1996 Final Declaration (Calleguas MWD) and Camrosa measures: and benthic may be toxic to downstream for such potential that an Erosion for (City 2, Vol. 2, pp. S-3 50 S-4 & 72-73; Negative To mitigate food supply loss of saltmarsh of pollutants 1, files on Application Mitigated which may reduce primary of the existing is causing (6) mobilization the sediment aquatic and wetlands; of fish eggs and larvae, (5) exacerbation in Mugu Lagoon, habitat in turn, may reduce plankton (4) smothering habitat; to fisheries (4) site surfaces to (5) installation basins. to be and (City 2, 2, pp. S-3 to S-4 & 72-73.) Although the 1996 final mitigated diversion structure acknowledges impacts of construction negative the potential on downstream include the specific mitigation FSEIR. The 1996 fina 1 mitigated declaration negative -58- significant water quality, measures for the identified it does not in the 1996 declarat .ion only mentions planned project 4 would construction rerouting CCDP, of surface as being sufficient May 23, 1996 Final Mitigated Calleguas MWD, to develop and implement mitigation measures Plan which identified inclusion of this condition, diversion structure significant 8.2.2 result Creek, in the reduction which will eliminate (pools and riffles) to populations marmorata pallida). southwestern the point significant impact. Species of Special Service (USFWS). amount pond turtle significant The southwestern pond (Clemmys losses to are expected FSEIR of open water marsh habitat of the southwestern The City's diversion flows in lower Conejo downstream classifies turtle of this as a is listed as a Concern by DFG and the U.S. Fish and Wildlife (City 2, Vol. 1, pp. 3-49, 3-57 & 3-64; City 2, 2, pp. S-4, 87, 94-95 & 103; T, Vol. 356:18-356:21, water should not cause project's freshwater pond turtle populations of diversion. With Turtles a significant As a result, and quality. of surface and emergent important Vol. Pond a the specific facilities impacts on water for the Erosion of the proposed to the 1996 FSEIR, the proposed According will a satisfactory construction on Southwestern with Camrosa includes 29408, contains in the City's,ZL996 FSEIR. and appurtenant adverse Impacts Declaration the City, in cooperation requiring and Revegetation such impacts this decision condition Control to ensure Negative In view of the above, 21-23.) flow during (Staff 1, files on Application not be significant. Camrosa :a temporary II, 337:16-338:6, 430:21-432:7.) f In the 1996 FSEIR, the City proposes to mitigate for the " significant impact of the project and their habitat, measures. on southwestern with two distinct The first measure types of mitigation is maintenance 0 -59- pond turtles of minimum surface flows downstream mitigation habitat of the point of diversion. measure is improvement throughout of the point measures are evaluated . Maintenance . beneficial uses is expected Creek marsh including mitigation to provide a guaranteed (1,460 afa) which would bypass (riparian of this minimum and wetland of be to for instream habitat maintenance) a minimum for approximately the point of diversion the point flow would level of protection the City's proposal, to occur system, These proposed the City proposes but minimal, Under downstream. freshwater Flow Surface The stated purpose a stable, proposed below. flow of 2 cfs diversion. provide of diversion. of Mlnlmum In the 1996 FSEIR, minimum of emergent the Conejo-Calleguas upstream The second flow of 2 cfs reach between a one-mile and the Camarillo outfall. WWTP discharge (City 2, Vol. 2, pp. S-l, 57, 60, 62, 80, 90 and 91.1 At the Camarillo discharge WWTP discharge of 3.2 cfs of treated flow in the stream channel The 1996 FSEIR considers higher degree outfall is of particular center of distribution southwestern because observed The City's assumption Conejo Creek from the Camarillo conflicts with other evidence currently sells a portion of the WWTP it occurs concentration (City 2, Vol. consultants. and 89-91.) downstream in lower Conejo near the of Creek by the 2, pp. 62, 87 that the future WWTP will be about discharge to 3.2 cfs in the record that Camarillo of its treated waste water -6O- a uses of the Camarillo of the' largest pond turtles City's environmental maintenance) importance 2, p. 90.) inflow as providing for instream beneficial The location a the minimum (City 2, Vol. to 5.2 cfs. habitat WWTP outfall. the City expects waste water to raise the additional of protection (riparian and wetland Camarillo outfall, WWTP to a nearby irrigator. (See Section 5.1.4) the Camarillo WWTP discharge, environmental impacts measures to address that the Camarillo water to Conejo Preservation diversion Section the City's and development those impacts of sufficient the instream at the point Although provides proposed Testimony consistent with the conclusion diversion habitat. (T, Vol. absence improvement turtle program habitat increase for protection their riparian 25 flow level would reduce flows, flows than a minimum is flow of the impact of the pond turtles and their 433:6-434:19.) fully compensate of the southwestern In the a habitat for loss of the SWRCB concludes flow of 6.0 cfs at the City's point of diversion provided below the instream that the City has developed at lower flows, the DFG instream that providing flow for of the City's witnesses II, pp. 337:16-337:25; that would in less than the current on southwestern of a showing Under the minimum 6:0 cfs at the point of diversion proposed of diversion for greater the DFG recommendation on that a minimum and wildlife. flow would project As discussed testimony by DFG is substantially by the City. 05~the and their habitat. habitat WWTP outfall. of the point of impacts DFG presented of riparian recommended mitigation 3.2 cfs of treated waste flows downstream of 6.0 cfs should be provided Camarillo of are based on the assumption to minimize pond turtles recommendation, assessment control Creek. 8.3.1 below, protection the City cannot of proposed WWTP will discharge is necessary southwestern Although that a ,minimum should be pond turtles and habitat.25 The relationship between in Section 7.3.1 below. flows and other -61- riparian resources is addressed Improvement of Open Water and Emergent The 1996 FSEIR proposes improvements open water freshwater and emergent for the expected developing and implementing be carried County (pools and riffles) areas elsewhere program.to program their habitat; and amount, program approval It would marsh a net suitable of bullfrogs to new of which of a the effectiveness loss of turtles and implementation such as increasing measures, (2) expected (4) implementation in preventing habitat and implementation to evaluate (5) development mitigation of and of the minimum if a net loss of turtles or their habitat (City 2, Vol. 2, pp. S-4 to S-6, 21-22, detected. (Ventura of new or more open to safer areas where and eggs; monitoring the mitigation flow bypass District from habitat reduce populations prey on turtle hatchlings additional with Camrosa, Creek watershed; (3) development has been created; for improvements freshwater pond turtles by the project comprehensive (1) creation in the Conejo-Calleguas be jeopardized habitat program would reiceive prior and emergent of southwestern an effective A mitigation Flood Control elements: water habitat pond turtle habitat in cooperation program of to compensate and the U.S. Army Corps of Engineers. the following relocation County The mitigation from DFG, USFWS, include and quality the specific out by the City, MWD and Ventura FCD) . in the amount loss of southwestern of the point of diversion. Calleguas Marsh Habitat marsh habitat downstream would Freshwater is 26, and 94-97.) Except plan for the proposed identified City provides above. bullfrog control plan, in the 1996 FSEIR and subsequently very little detail developed assehrt that a detailed in subsequent adopted on the plan elements The 1996 FSEIR and testimony the hearing the mitigation outlined from the City's witnesses mitigation CEQA documents -62- by the plan will be prepared by Camrosa for at c the CCDP. (City 2, Vol. 2, pp. 94 and 95; T, Vol. II, 433:1.4- 434:19.) However, Camrosa's the CCDP, adopted mitigation 1996 final mitigated after the SWRCB hearing, for impacts of the point construction prevent entrainment Further, Camrosa's negative declaration offset habitat addressed diversion of the diversion response states not as part of Camrosa's intake. on the draft measures to flow should be for the City's construction of the response C, pp. 5-10; T, Vol. Staff 1, files on Application May 23, 1996 Final Mitigated to April Negative Declaration 22, 1996 comments to May 16, 1996 comments response surface to '(City 2, Vol. 2, pp. S-4 to S-6, 21-22, 387:7-38a.:i1, 399:21-400:24; CCDP, 29-31, comments that mitigation 87, 94-97; City 38B, p. 1 and Exhibit Camrosa of habitat at the diversion the water right process facilities. dealt with facility, and measures to the City's clearly impacts disturbance of aquatic wildlife on flows downstream The only potential with a short-term declaration does not address with reduced losses due to reduced during application, associated of diversion. are those associated during negative II, 29408, for the from DFG and from CH2MHill/City of Thousand Oaks.) The record shows that both the City and Camrosa need for additional measures but ne.ither appear to accept habitat, . mitigation developing and undertaking discussed above, establishes to offset those measures. habitat program this decision construction requires of diversion and that the. Consequently, to the commencement works and prior -63- mitigation to ensure will be successful. that, prior for The evidence that more specific need to be identified the loss of turtle responsibility monitoring: measures improvement acknowledge of to any diversion of water at the point of diversion, Calleguas Camrosa, implement MWD and Ventura a detailed overall project, A plan, acceptable habitat improvements pond turtles Calleguas reduce their habitat 8.3 Other impacts issues regarding that the City has not proposed measures for these Regardless have under consider resources [189 Cal.Rptr. 3461.) v. Superior Similarily, interest the water mitigation obligation for the where Court to on public trust feasible. (1983) 33 Cal.3d Water Code section as will best develop, DFG the City or others may the SWRCB to allow water appropriations and conditions public Society or of the documents water diversions those resources impacts below, adequate CEQA, the SWRCB has an independent (National Audubon directs potential of any responsibility and to protect pond turtles of Fish and Game in the environmental the effect of proposed together in this decision, As discussed trust resources. Creek or levels. Issues Raised by the Department impacts Conejo to southwestern contends project. Conejo, establis$ed to less than significant on public above. that proposed of these conditions, flow requirements several outlined for no net loss of southwestern in Arroyo Implementation and plan for the the elements to the SWRCB, must ensure identified The DFG raised project and monitoring will provide with County FCD, shall develop incorporates or their habitat with the instream should mitigation which Creek. the City, in cooperation conserve, under 419, 1253 such terms and utilize in the sought to be appropriated.26 26 The City argues that, due to the presence of imported water in Conejo Creek, the public trust doctrine should not be relied upon as a basis for establishing conditions for protection of fish, wildlife and other instream However, counsel for the City concedes that there resources in this instance. is independent statutory authority for protection of fish, wildlife and other environmental resources under Water Code section 1243, Water Code section. 1253, and Fish and Game Code section 5937. Although the SWRCB does not necessarily agree with the limitations on the public trust doctrine suggested by the City, the SWRCB agrees that the statutes cited by the City (and other (Footnote continued next page) -64- 8.3.1 Impacts on Riparian The DFG has consistently that it considers .- downstream DFG biologist minimum minimum riparian minimum as being habitat testified (USDI) report by any biological bypass evidence. flow of 6.0 cfs be required and that 9.2 cfs be required Camarillo WWTP outfall. WWTP. of water consideration flows needed consultant that the proposed from a 1980 U.S. DFG recommends at the point that a of discharge of 3.2 cfs from the Camarillo it was more concerned about the in the stream than the source of water. it appears to determining to protect Dawn Nilson, environmental documents, to recommend an instream vegetation it supports. takes environmental with the project, to The latter- flow recommendation 1, files on Application lengthy insufficient of the 29408, and WW-6; DFG 96-4, Pa 2-4; DFG 96-5; T, Vol. II, 467:3-469:16 Despite flow of at the location the DFG explained However, quantity (Staff the expected staff recommen,dation that was not diversion into account bypass and the wildlife flow of 2.0 cfs was derived of Interior substantiated both the City and SWRCB of diversion Ms. Morgan Wehtje bypass Department advised the City's proposed 2.0 cfs at the point protect Habitat and wildlife documents and 498:4-500:15.) prepared in connection that the City gave little the appropriate public level of instream Environmental trust resources. who supervised testified preparation of the City's that her firm was never flow level to protect in the project asked the existing area, nor did her firm . * established statutes) provide sufficent legal authority for the conditions and other environmental this decision for protection of fish, wildlife it is not necessary to resolve the dispute over the Therefore, resources. limits of public trust authority in order for the SWRCB to allow for appropriation of water by the City on the conditions established in this decision. e -65- by ever evaluate minimum Vol. the environmental instream flows than what was proposed II, 430:11-430:19.) City consultant that the 2.0 cfs minimum a 1981 report prepared (T, Vol. information be achieved from Project a flow of 2.0 cfs for habitat along Conejo Creek. basis Their assignment the proposed bypass habitat contended the environmental that the proposed reduction the width stream channel cause a decrease Dr. Freas emergent marsh increase in the amount willows) that depend necessarily of woody there would be a shift flow. which, freshwater that could be to be offset vegetation in available -66- riparian in by an (dominated by on shallow groundwater, Dr. Freas concluded in in turn, that this reduction is expected riparian flow lead to a reduction downstream explained habitat primarily on surface would (dominated by cattails) further fish and in surface in the amount of nonwoody marsh vegetation that II, 377:12-378:7.) (T, Vol. of the active of the levels and that she has never of diversion freshwater impacts Dr. Freas testified to 2.0 cfs at the point supported. were to evaluate. flow of 2.0 cfs would not maintain that it would. to that the consultants flow. at pre-project Dr. Freas testified was intended of the 2.0 cfs flow was not an was to evaluate bypass flow of 2.0 cfs habitat Dr. Freas testified environmental 2.0 cfs minimum instream of riparian for the adequacy issue that the City's on the scientific the proposed of protection by this flow. biological emergent was derived County Water Management was provided used to determine or what degree would (T, I, 283:15-285:24.) rationale wildlife by the City. flow proposal riparian 0 level of Mr. Gary Nuss testified The report.proposed of maintaining No additional proposed instream on the Ventura by the USDI. the purpose effects of a higher not that although habitat from the . -. a non-woody freshwater emergent marsh type to the woody type, there would be no net loss of riparian/wetland overall. w She also stated that channel storm events of Ventura i* proposed quality and the channel County 359:22-361:10, and 450:11-451:18; minimum freshwater diversion vegetation riparian/wetland habitat species may be replaced downstream supported habitats 387~3-388~11, establish (pools and riffles) available emergent by Ms. Wehtje concerned with minimizing water and freshwater the 1996 freshwater marsh of diversion. that DFG is particularly marsh habitats (T, Vol. flow in the amount the type of loss of available emergent caused by the project. habitat, losses and emergent indicates marsh that the proposed -downstream of the point Testimony important of the point of with woody riparian testimony that a by that habitat. to 2.0 cfs will cause substantial of open water (T, Vol. II, to protect open water and freshwater FEIR and Dr. Freas' reduction than the the amount and 382:6-384:8, flow of 2.0 cfs is adequate existing factors activities by the City does not establish or the wildlife Although and maintenance available. 378:1-7, by extreme City 33A, pp. 4-7.) presented bypass habitat habitat caused in terms of determining of riparian/wetland The evidence clearing FCD may be more important flow reduction, 351:5-356:4, scour riparian which open could be II, 494:22-500:15; DFG 96-4, PP. l-4.) Both the City and DFG appear to agree that mitigation . potential actions . on riparian to prevent existing discussed a impacts trust resources or substantially reduce and freshwater emergent open water in Section City undertake public 8.2.2 above, specific -67- will require any net loss of marsh this decision mitigation of and monitoring habitats. requires As that the measures to prevent a net loss of southwestern These mitigation resources measures dependant pond turtles should also help protect upon the same type of riparian at this time, the specific However, or‘their mitigation habitat. other wildlife habitat. measures which the City or others plan to take to prevent a net loss of open water and freshwater have not been identified emergent and the likelihood marsh habitats of success of those measures 0 * ". cannot be evaluated. 0 Neither amount the City nor DFG has done any detailed of instream riparian flow that should be provided and instream diversion, adversely "[nlegative for western less water...." DFG presented nearby and shorebirds. the project western in the morning, testimony The stream system also provide (DFG 96-4, p. 2.) flocks of wading later in the day. discussed that the variety area support toad. within in by dive,rting amphibians corridors a movement -68- system and that the area songbirds, After foraging in and shorebirds (DFG 96-4, p. I.) southwestern of instream pond turtle, habitats in such as the tree frog and of the Calleguas corridor The DFG testimony stream and wintering (DFG 96-4, p.1.) to the previously DFG presented reduction Creek of wildlife for migrating move to the creek bottoms In addition fish composition could be minimized that the Calleguas for many species important fields species reduced that (City 2, Vol. 2, p. S-8.) habitat waterfowl, flow of 2.0 cfs would and a potential pond turtles testimony is extremely of the proposed including plant and animal CreekIs], to protect The City acknowledges of the project, altered Conejo and Calleguas provides downstream those resources. impacts populations, habitat resources but both agree that a minimum affect study of the for mammalian concludes Creek stream species. that a reduction 0’ of flows to 2.0 cfs below the City's "remove most * supporting if not all functioning SWPT Other wildlife 96-4, p. 2.) i* redwing and yellowheaded and snipe. Based surrounding point a minimum bypass habitat, instream of comparable In addition include rail public instream in flows that the SWRCB flow of 6.0 cfs at the City's proposed staff of the RWQCB dated 5-17-95 instream recommend beneficial uses providing to DFG. and 12-8-95.) trust resources of instream in the rip;,rian habitat DFG recommends to the SWRCB's duty under consideration resources flows at a 'level satisfactory (RWQCB lB, letters provided be displaced trust In order to protect of diversion. to protect (DFG the Sora rail, Virginia of public the point of diversion, minimum the public where feasible, flows is subject trust doctrine our to statutory guidance in the Fish and Game Code. Fish and Game Code section 2780 provides, in part: "Protection, enhancement, and restoration habitat and fisheries quality of life in California. population i which would habitat and waterfowl." and the need for continued areas, and wetland ., pond turtle] would (DFG 96-4, p.2.) area, the scarcity establish of diversion pool/riffle blackbird, on DFG's evaluation project below [southwestern point increases, are vital to maintaining the As the state's human there is an urgent protect the rapidly disappearing support California's unique wildlife and varied resources.N -69- of wildlife need to habitats wildlife that More specifically, Fish and Game Code section the owner of a dam bypass condition any fish that exist or may be planted Under sufficient 5937 requires Fish and Game Code section include wild fish, mollusks, water to maintain 0’ that in good below the dam. 45, "fish" are .defined to crustaceans, invertebrates, and . amphibians. Based on the record reasonable'to City's public in Section considerations flows below natural the point of allowing any permits Creek or Calleguas should be subject by DFG. there are strong the use of reclaimed the SWRCB believes that the City's more than 2.0 cfs of treated the 6.0 cfs needed for instream The remaining of diversion flow or return exception as recommended supporting of diversion. will normally the City's diversion Creek diversion be provided instream by With the of treated of water issued on the pending to a minimum flows 4.0 cfs for instream flow from imported water. authorizing that it is flow of 6.0 cfs at the 5.3.1 above, to provide for meeting the point bypass of diversion not be required waste water water, point In this instance, should us, the SWRCB concludes a minimum as discussed policy water. below provide proposed However, before waste from Conejo applications flow requirement of 6.0 cfs. Under present diversion will be augmented approximately no control concludes maintain Camarillo instream the flow below the City's conditions, by flow from the Camarillo one mile downstream. However, over inflow from the Camarillo that it would not be reasonable an instream point of WWTP since the City has WWTP, the SWRCB to require the City to flow in Conejo Creek of 9.2 cfs at the WWTP outflow as recommended flow requirement established by DFG. The 6.0 cfs in this decision is based -7o-- _. .-- on the record developed before If evidence the SWRCB at this time. at a future time which demonstrates this requirement instream is appropriate, flow requirement is that revision the SWRCB can revise of the at that time in the exercise of its continuing, authority. 8.3.2 Impacts DFG biologist on Endangered beak (Cordylanthus state-listed and federally-listed annual occupies Lagoon, germinates through spring stated plans Ms. Meyer bases freshwater surface during'the spring reductions prepared surface or inhibit salinity flows from 6, 1985 recovery by the USFWS (1985 USFWS flows into Mugu Lagoon and summer growing growth additional should relationships show there would mitigation such impacts. -71- (1) the City showing that such its recovery; be impacts, (T, Vol.11, in water/groundwater or inhibit and monitoring DFG 96-2; DFG 96-2A.) recovery be allowed until: to DFG, on surface response plan that no reduction period would not harm this species to DFG to prevent 487:2; losses to in groundwater Ms. Meyer recommended or. (2) if such studies develops increases of freshwater studies., acceptable salinity/plant cause her concern on a December Consequently, conducts might Ms. Meyer into the lagoon. for this species, plan). through about by reduction Creek and then grows of this plant and its habitat, for its recovery, Calleguas around Mugu and summer until it sets seed and dies. populations brought habitat rainfall, a This species. salt marsh diversions Lagoon ssp. maritimus), maritimus after heavy winter at Mugu dive;ision on the endangered high coastal that the proposed existing Beak that the DFG is concerned impacts of the proposed bird's plant Bird's Ms. Mary Meyer testified about potential saltmarsh Sal tmarsh the City. measures acceptable 473:1-478:3, 485:3- The 1996 FSEIR and testimony consultants Lagoon conclude habitat. The reasons the saltmarsh given to support this conclusion bird's species tends to be distributed which habitat tolerant plant Although the plant regular tidal beak is a salt-tolerant, within a narrow of tidal influence, During flows into Mugu bird's beak or its The saltmarsh saltmarsh are dissolved correlated salinity season, is salt-tolerant, of nonsalt- it cannot withstand the plant requires (less than 12 parts per thousand than can be tolerated brought a lower total during the phase. of saltmarsh bird's beak appears reduction about by direct not by reduction Even if reduction to be highly of shallow rainfall during soil the winter of lagoon salinity. of lagoon salinity were a potential in producing favorable germination, the proposed seawater phase, with a temporary Mugu Lagoon the elevation inundation. growth Germination strip above species. salts-TDS) vegetative annual plant in /high coastal but below the elevation the seed germination soil salinity c 3. in surface as follows: summarized 1. that a reduction not affect should by the City's environmental soil-water salinity reduction tidal exchange, flow into to the large volume that the resultant -72- 1 for plant in freshwater is so small, in,comparison factor salinity of increase . -. in the lagoon almost (City due to the proposed negligible 2, Vol. 362:21-365:25, (less than 1.5 percent). I, 258:3-259:ZO; testimony the potential Creek on saltmarsh effects bird's indicate of the existing Creek. presented However, plant populations Dr. Freas' testimony wetland Creek. near the outermost plant the lagoon expected central edge of the western is important documenting populations 39 were found of the away from the mouth appear to exist arm of the lagoon, over Creek. Creek then populations would no evidence into be was presented which: Creek; and existing before of saltmarsh in'this populations seeps near Mugu Lagoon of this plant. should not be adversely approved to the mouth to the mouth of the creek along the by Calleguas Based on the evidence the the flow from Calleguas to this plant, any freshwater be influenced populations closer freshwater In addition, basin. which and City Exhibit Only a few plant populations existing to occur concerns relative and over 1.5 miles one mile away from the mouth of Calleguas If maintaining the evidence area at least 0.5 mile northwest arm of Mugu Lagoon of Calleguas by the City and DFG in this instance that most of the existing in a separate western II, 357:21-359:8, of flow reduyition in Calleguas beak. SWRCB finds most persuasive of Calleguas T, Vol. and 369:5-370:16.) There was considerable location would be 2, pp. 20-21, 88, 92-93 and 101; City 33A, pp. 7- 10; City 39; T, Vol. regarding flow reduction (T, Vol. (2) support II, 365:4-369:12; us, the SWRCB concludes bird's beak affected City 39.) that the in the Mugu Lagoon by the water diversion decision. -73- (1) may areas project 8.3.3 Impacts of Proposed The City proposes Flow to install Control and Monitoring a "flow control station" along Arroyo Conejo at a location upstream of the point of diversion. necessary to accurately of the entire running parallel measured using a device then be returned (T, Vol. Mr. Donald operate Nelson testified the "flow control proposed stream channel temporary physical described in the City's water available involve and water would after measurement. station" the water to the project to install and gathers at the location at a point where all (2) take together; of the water at the point of sale supply agreement with Calleguas MWD; and (3) provide a means to ensure that once the City receives SWRCB water right permits appropriated, any unauthorized of the point of diversion Vol. I, 68:21-69:23, City environmental construction and/or permanent for the water diversion and prevented. Ms. Gretchen Honan testified of the facility would cause temporary consultant loss of about 0.3 acres of existing including habitat southwestern pond turtles and other sensitive Furthermore, Ms. Honan measures in Arroyo proposed (1) restoring described, disturbed -74- these habitat; that riparian utilized in general by the City to offset temporarily (T, City 27A, p_ 6.) Conejo, habitat sought to be of this water upstream can be detected 151:12-152:4; and operation flume City 27A, p. 6.) and monitoring available control the flume, that the City needs the water this The flow would be channel. (1) measure in order to: would 7 miles into a concrete-lined 68:21-72:4; I, 28:2-28:8, facility located within to the natural approximately the flow potentially streamflow to the natural and monitoring The City considers Use of this proposed for diversion. diversion measure Station by species. terms, mitigation impacts by: (2) replacing 0 permanently disturbed downstream . 'i habitat with enhanced of the facility; and riparian (3) relocating individual southwestern pond turtles 343:2-348:l; City 7; City 32A, pp. 1-4; City 32C and 32D.J biologist Ms. Wehtje alternative (T, Vol. II, stated that DFG would prefer flow measurement identified.impacts Vol. to the new habitat. habitat, methods on instream use of to avoid causing resources DFG in Arroyo the above- Conejo. (T, II, 510:13-511:8.) i’ The only water Application the City will be authorized 29408 is water available to appropriate for diversion of diversion. The actual rate of diversion upon the water available requirements. The City will be required after meeting the amount of water actually the actual quantity of water bypassed The quantity appropriative pumped of water diverted water under at the point will be dependent applicable bypass to monitor flow and report at the point of diversion at the point of diversion. for beneficial right is normally and measured use under an at the point of diversion. any permit In this instance, include a limitation discharge accordance Elimination measurement from the plant System device present measuring measurement water discharged with the requirements Discharge devices diversions issued to the City will on the rate of diversion from the Hill Canyon WWTP. waste water required or license devices needed tied to the rate of The quantity is already of treated measured of the City's National (NPDES) permit. in Pollution The flow at the Hill Canyon WWTP and the at the point of diversion for regulation by the proposed project. -75- are the only and measurement of The fact that the City may have entered contracts providing the proposed approve for measurement point of diversion construction environmentally into a contract of flow 7 miles upstream does not obligate and use of an unnecessary harmful structure water for the proposed SWRCB and subject project to any terms established sensitive and use upon approval ji The SWRCB finds that there is no need for the proposed control and monitoring evidence station." that the structure southwestern Arroyo pond turtles Conejo. the adverse Although Consequently, considered and other public OF TREATED measured for which environmental and public entirely. station" a water is not right permit WW-6 proposes pursuant OF FISH AND to dedicate point use would be of diversion. Although as to the need for flows in order trust resources, -76- to Water Code to instream among the parties for instream impacts from the Hill Canyon WWTP to The 2.0 cfs dedicated water some of the SWRCB concludes FOR PROTECTION Petition at the City's proposed additional to mitigate and monitoring use for fish and wildlife there is disagreement in 29408. 2.0 cfs of treated waste water 1212. trust resources structure, WASTE WATER The City's Waste Water Change section on to avoid those adverse a part of the project DEDICATION WILDLIFE impacts it may be possible the "flow control "flow there is will cause unnecessary will be issued on Application instream To the contrary, impacts of the proposed it would be preferable 9.0 of the as part of that approval. .o c and to divert is contingent of the SWRCB to in an environmentally Any right which the City may obtain area. or to protect no evidence was '"' introduced in opposition to the City's proposed dedication of 2.0 cfs to fish and wildlife. . The SWRCB finds that the dedication for the protection beneficial of fish and wildlife is a reasonable use zf water and that the proposed The 2.0 cfs of treated be approved. proposes of 2.0 cfs to instream to dedicate diversion to instream and dedication waste water which use is not available use should the City for by other water users. i’ SUMMARY 10.0 The SWRCB AND CONCLUSIONS finds that there is unappropriated appropriation by the City of Thousand in the amounts and seasons conditions at the end of this decision. the conditions of water established Creek to the conditions the use of treated operate * of fish and wildlife established uses, finds subject is a beneficial to use from the Hill Canyon in Conejo interest Creek and and is approved in this decision. waste water approved further The City's proposed interest. subject The change by this decision in will not to the injury of any legal user of that water. The SWRCB finds that, based on the present desirable to maintain Thousand public 9 for the proposed is in the public for by the The SWRCB of 2.0 cfs of treated waste water for protection Calleguas established in this decision, and is in the public dedication WWTP of water available Oaks and the competing applicants that the appropriation water a minimum Oaks' proposed trust resources. point of diversion The desired uses by the City. of the 6.0 cfs instream it is flow of 6.0 cfs at the City of for protection water dedicated An additional flow must be present -77- of flow of 6.0 cfs will be met in part by the 2.0 cfs of treated waste and wildlife record, for fish 4.0 cfs component before the City may divert any water in excess from the Hill Canyon 2.0 cfs in channel WWTP of the treated waste water discharged less a total of 4.0 cfs to account losses and the dedication for e of 2.0 cfs to fish and wildlife. In order to mitigate wildlife downstream decision requires and to develop to prevent adverse effects the City to consult and undertake proposed concludes and monitoring structure trust resources, would station" authorized in this decision. approval set forth below. SWRCB's findings appropriation emergent marsh habitat. proposed to the environment "flow control Finally, to be included in any water Waste Water Change In addition, regarding the order below the availability the other pending and Calleguas and public and a part of the project 29408, and the conditions Creek a by the City, that the shall not be considered of Treated under water from Conejo pond turtle and to prevent be harmful monitoring SWRCB's and rn+tigation measures and that the proposed issued on Application agencies that there is no need for the "flow station" The terms and conditions and this with appropriate monitoring net loss of open and freshwater control habitat of the City's point of diversion, harm to the southwestern this decision on riparian right permit governing the Petition WW-6, includes the of water applications are for to appropriate Creek. ORDER IT IS HEREBY approved 1. ORDERED subject that Waste Water to the following The City of Thousand treated waste water Change Petition WW-6 is conditions: Oak's dedication discharged -78- of 2.0 cfs of the from the Hill Canyon Waste I Water Treatment Plant for protection and maintenance wildlife, and other instream uses in Conejo Calleguas Creek is recognized dedicated to instream uses shall be measured Thousand Application Water 29408 for diversion District Creek and and approved. Oaks point of diversion The 2.0 cfs at the City of under Water of water and Pleasant Valley Right to serve Camrosa County Water District. The 2.0 cfs of treated waste water dedicated by the City of Thousand diversion to instream Oaks shall not be available or appropriation of fish, by any other party uses for for any other purpose. 2. The City of Thousand City of Thousand waste Oaks or parties Oaks may divert water discharged Treatment permit treated from the Hill Canyon stated in that permit waste water subject based upon the measured water from the Hill Canyon Waste Water additional point or license to instream ORDERED subject to the The amount of and use under any on Application 29408 is of treated Treatment waste Plant minus flows and minus for channel and the point the City's water right permit IT IS FURTHER issued rate of discharge 2.0 cfs to account of discharge 29408 to diversion right permit of the treated Waste Water or license. water with the by any water right issued on Application the 2.0 cfs dedicated 1 the remainder Plant for the uses authorized or license conditions contracting an losses between of diversion authorized the in or license. that Water Right Application 29408 is / approved, order. Permit in part, The permit Terms additional subject to the conditions on Application established 29408 shall contain in this Standard 6, 7, 8, 9, 10, 11, 12, and 13 and the following terms: ,79- 1. The water appropriated can be beneficially shall be limited to the quantity used for irrigation 21.7 cfs. Permittee year-round basis. any time shall not exceed a. The real-time Water between of treated from the Hill Canyon at waste water of for channel 2.0 cfs to account for maintenance Waste for flow time and the point less 2.0 cfs to account fish and wildlife on a rate of diversion (adjusted to account of discharge less an additional diversion the sum of the following: Plant the point diversion), maximum rate of discharge Treatment and shall not exceed may take water by direct Permittee's which losses, for the dedication and protection under Waste Water Change Petition of WW-6; and b. An additional 4.0 cfs, by direct diversion through December minimum bypass or more (including from January 1 31 of each year at all times that the flow at the point of diversion the 2.0 cfs dedicated is 6.0 cfs to fish and wildlife). 2. The quantity measured 3. of water at the point This permit The authorized SE'/4of SE% under this permit of diversion is specifically Water Right License 4. diverted 12598. Creek. subject to the prior (Application point of diversion of projected from Conejo Section -8O- is: shall be right under 25247.) Conejo Creek within 32, T2N, R20W, SBB&M. the 5 The point of discharge Canyon Waste Water Treatment the NW'/4of projected . .d 6 The authorized waste water Plant located Section places and the Pleasant owned of treated is the Hill within the SE% 36, T2N, R20W, SBB&M. of use are the Camrosa Water Valley County Water lands located within District, Sections of District excluding City- 24 and 25, T2N, R20W, SBB&M. 7 Permittee under shall keep metered this permit documenting and shall submit the quantity To the extent is return 9. that water available as giving supply will continue. (Term 25.) in water shall provide agreements the Lambs, Goldbergs authorized 10. any diversion conforms water and for use under water, any assurance for delivery this permit this permit that such to the Camrosa use upon the parcels between Camrosa and Fitzgerald which Water identified District are within and the place of use. For the protection specific, water for subsequent service records waste or waste shall not be construed Water District separate diverted under this right. flow, imported water, Permittee of all water (1) treated of: (2) other flows diverted 8. records of water quality, facilities, detailed prior the permittee erosion to the mitigation control to construction shall prepare and revegetation measures identified of a plan which in part 3.3..3 (page 3-11) of the permittee 's 1996 Final Subsequent Environmental 0 include, Impact Report at a minimum, for the project. the following -81- elements: The plan shall a. Removal of no more vegetation complete b. construction Placement cannot C. materials reasonably Construction or other suitable in areas where removed be expected of temporary to become erosion vegetation reestablished. fills of noyerodible and a plan for removal where needed, to operations. of rock, riprap, protection than is necessary material of any temporary fills. d. Diversion e. Construction stream f. of runoff of a suitable immediately Other measures Water Quality below any instream Control control prior to construction Water Resources ensure 11. sites. basin across construction by the California the areas. Regional Board to comply with the Basin Plan Creek watershed. and revegetation to the Chief of the Division any reasonable, silt catchment as required for the Calleguas The erosion around all construction plan shall be submitted of Water Rights of any diversion Control Board reserves necessary amendments that it will accomplish for approval facilities. authority The State to require to the plan necessary the stated goal. . to Upon written approval of the Plan, the Plan shall be implemented. r No water shall be diverted A has installed Resources device(s), Control Board, under this permit satisfactory capable -82- until permittee to the State Water of measuring the bypass flows required by conditions shall be properly of this permit. maintained. Said measuring devices (Term 62.) . 12. For the protection turtles, . and riparian shall bypass habitat the following diversion: shall be bypassed cfs shall be bypassed (Application when the holder flow of 6.0 cfs water dedicated of treated channel to the portion for diversion diversion; (2) quantity streamgage or other records bypass flow requirements To mitigate implement a specific, or Calleguas detailed Creek. to the mitigation water released Plant which is for 2.0 cfs for to fish and wildlife. Report diverted; by Permittee, of the dates of and, (3) daily compliance for southwestern permittee pallida), with the plan, Rights, in Arroyo -83- and satisfactory to achieve Conejo, The compensation measure pond turtle shall prepare compensation of Water net loss of pond turtle habitat conform waste is not of this permit. to the Chief of the Division Creek, any water which documenting for loss of habitat (Clemrnys marmorata shall be bypassed Treatment of water Creek; and 2.0 cfs of treated a listing (1) 0.82 12598 from Conejo after accounting information: to Petition of License shall submit, with the Progress the following dedicated Change losses and the 2.0 cfs dedicated Permittee at the point of to fish and wildlife) attributable the permittee water (including diverts pond (2)i, an additional water at all times that permittee available 14. waste at all times; from the Hill Canyon Waste Water 13. of water to Waste Water 25247) is diverting (3) a minimum waste amounts pursuant southwestern and vegetation, (1) 2.0 cfs of treated fish and wildlife WW-6, of fish, wildlife, no Conejo plan shall for Terrestial Vegetation and Wildlife, permittee's identified 1996 Final Subsequent for the project. with Camarillo, environmental Camrosa Ventura Fish and Game Environmental The plan shall be prepared appropriate District, on pages S-4 and S-5 of the consultants, Water District, Municipal County Flood Control District, and U.S. Army Corps of Engineers. specific in consultation the City of Calleguas .(DFG), U.S. Fish and Wildlife details covering Impact Report Water Department Service of (USFWS) The plan shall provide the following eifements, at a minimum: a. A comprehensive, existing quantitative southwestern available marsh habitat located both upstream of diversion. by a qualified recognized Creation freshwater of diversion developed the expected provision) downstream be permanently Relocation jeopardized where assessment acceptable assessment of turtles suitable to DFG, areas upstream The new (no net loss and shall by the permittee. from habitat expected -84- of shall equal or exceed of the point of diversion, new habitat and techniques for the turtle. loss of habitat by diversions suitable shall be made (pools and riffles) marsh habitat maintained of the by DFG and USFWS. by the permittee or actual freshwater and downstream of new or larger open water the point C. utilizing as appropriate and emergent habitat biologist, of and open water and emergent The baseline wildlife shall be conducted assessment pond turtle populations corresponding point b. baseline under this permit has been created. to be to safer areas . d. Development control and implementation program, satisfactory reduce populations hatchlings e. of bullfrogs of additional permit, in minimum including generated Development assessment 15 * Permittee develop WWTP and reporting this waste water Plant into Conejo and their habitat, program and listing no net additional the forthcoming shall include evaluated in (a) above. the results,of to year to with the no net loss provision. of conditions listed during program plan is achieving the compensation to be implemented reevaluation Permittee treated from the Camarillo full compliance Division may include in the future. whether The monitoring submit net loss of requi,rements under bypass of additional of a monitoring loss of turtles attain These measures to by the Hill Canyon Waste Water Treatment Creek decrease measures as necessary, plan will. prevent flow bypass (WWTP) if discharges document which prey on turtle measures, and their habitat. increase f. to DFG, to permanently that the compensation turtles bullfrog and eggs. Development ensure of an effective the annual a schedule for in the baseline The permittee reporting of Water Rights with the Progress shall program Report to the by and to DFG. shall consult and implement with the Division a water conservation of Water Rights plan or actions. The proposed plan or actions for approval within such further time as, for good cause shown, may be allowed the Board. shall be presented to the SWRCB one year from the date of this permit A progress report on the development -85- and or of a water by I conservation within program this period. plan developed extent In evaluating by permittee, to the 80 percent Management Area and the extent district's receiving accepted practices. All cost-effective with the schedule The "flow control Application authorized IT IS FURTHER efficiency standards this permit for efficient measures standard are complying for implementation and monitoring management water identified found station" in the in accordance shall be implemented 29408 is not considered therein . in proposed a part of the project by this permit. ORDERED for appropriation 29829, place of use to which the City and water under program the the Fox Canyon Groundwater with widely conservation conservation permittee's irrigation to lands within 29819, the water at any time the Board will consider applicable water by the Board to which water use throughout conforms 16. may be required that the season of availability under Water Right Applications 29959, 30037, 30092, and 30194 of water 29581, 29816, is as specified below: 1. The season permit(s) 2. of availability of water issued on Applications shall include April 30 of the succeeding The season the period of availability 29816, under any and 29819 1 of each year through year. of water issued on Applications and 30194 shall include March 29581, of November permit(s) through for diversion 29829, 29959, the period 31 of the succeeding -86- for diversion of November year. under 30037, any 30092, 1 of each year 3. Inclusion of a period permit(s) issued on Applications 29959, . 30037, availability Any permits subject prior within the season of diversion 29581, 29816, 29819, 30092, and '30194 does not guarantee of water for diversion issued on the specified to the standard during regarding trust resources of instream at any time that water the shall be protection rights and shall be subject to maintenance flow of 6.0 cfs for protection 298,29, that time period. applications restrictions for any of of a bypass uses and public is/diverted under the permit(s). CERTIFICATION The undersigned, Administrative Assistant to the Board, does hereby certify that the foregoing is a full, true, and correct copy of an order duly and regularly adopted at a meeting of the State Water Resources Control Board held on September 18, 1997. AYE: John Caffrey James M. Stubchaer Marc Del Piero Mary Jane Forster John W. Brown NO: None ABSENT: None ABSTAIN: None Administrative -87- Assistant to the Board APPENDIX I STREAMGAGE FLOWS l .* I CONEJO CREEK ABOVE HIGHWAY 101 (City l, Vol. 2, Appendix B), TREATED AND CALCULATION OF UNAPPROPRIATED WATER WATER VOLUME Note: The unappropriated water identified in this table is the quantity of water in ~acre-feet remaining after assignment of treated waste water (minus channel losses and dedication of 2.0 cfs to instream uses) to Application 29408 of the City. October 1974 1975 1976 1977 1978 523.5 491.2 495.0 566.0 ,511.o 1 \ I& WASTE Water USGS Year Flow .I Subtract 368.0 373.0 428.9 414.7 4b3.9 Subtract 50.3 50.3 50.3 50.3 50.3 Add 142.0 142.0 142.0 142.0 142.0 Unauthorized Diversions Total 247.2 209.9 157.8 243.0 198.8 Unappropriated Water November. 707.6 412.3 480.6 591.6 532.5 Subtract 372.0 377.0 432.9 418.7 407.9 Subtract 48.7 48.7 48.7 48.7 48.7 Add 142.0 142.0 142.0 142.0 142.0 Unauthorized Diversions Total 508.9 128.6 141.0 266.2 217.9 Unappropriated Water December. 575.1 1,695.8 522.8 657.1 1,215.3 Effluent Minus 2 cfs Losses License USGS 12598 Flow Effluent Minus 2 cfs Losses License USGS 12598 Flow 1 373.0 428.9 Subtract 368.0 Subtract 50.3 50.3 50.3 0.0 0.0 0.0 156.8 1,272.5 Add Total 43.6 Unauthorized Diversions 192.1 761.1 Unappropriated Water APPENDIX I, continued 1 4,487.5 510.6 498.0 2,605.O 4,354.4 USGS Flow Subtract 373.0 428.9 414.7 403.9 469.7 Effluent Minus 2 cfs Losses Subtract 50.3 50.3 50.3 50.3 50.3 License 12598 0.0 0.0 0.0 0.0 0.0 Unauthorized Diversions January Add 4,064.2 31.4 February 500.1 1,270.g Subtract 384.9 Subtract Total 33.0 2,150.8 3,834.4 Unappropriated Water 1,202.2 521.1 USGS Flow 440.8 426.6 415.8 11,843.4 i 4b1.6 45.5 45.5 45.5 45.5 45.5 License 12598 0.0 0.0 0 ;o 0.0 0.0 Unauthorized Diversions 784.6 730.1 11,316.3 Unappropriated Water 1,764.7 759.2 14,395.0 USGS Flow 469.7 Effluent Minus 2 cfs Losses License 12598 I Add Total 69.7 March 1,043.7 59.8 871.9 403.9 414.7 Subtract 373.0 Subtract 50.3 50.3 50.3 50.3 50.3 0.0 0.0 0.0 0.0 0.0 Add Total 620.4 428.9 1,285.5 294.2 Effluent Minus 2 cfs Losses Unauthorized Diversions 417.7 13,875.0 Unappropriated Water April 501.8 ~Z8.5 662.8 504.4 1,693.e USGS Flow Subtract 377.0 432.9 418.7 407.9 473.7 Effluent Minus 2 cfs Losses Subtract 48.7 48.7 48.7 48.7 48.7 License 12598 0.0 0.0 0.0 0.0 0.0 Unauthorized Diversions 76.1 336.9 Add Total 47.8 195.4 -2- 1,171.4 Unappropriated Water APPENDIX May I, continued 1 Subtract 463.2 1 373.0 564.6 / 428.9 USGS Flow 537.8 1 858.0 1 940.4 1 414.7 1 403.9 1 469.7 j 50.3 I License 12598 142.0 ( u&&;;;;d Subtract I 50.3 I 50.3 I 50.3 I 50.3 Add ( 142.0 j 142.0 j 142.0 1 142.0 1 E','Icufesnt.k'~ln&s Total 181.9 227.4 214.8 545.8 562.4 Unappropriated Water June 465.1 525.6 482.0 460.1 807.2 USGS .Flow Subtract 377.0 432.9 418.7 407.9 4q3.7 Effluent Minus 2 cfs Losses Subtract 1 48.7 1 48.7 1 1 48.7 48.7 ] 48.7 1 License 12598 Add 142.0 142.0 142.0 142.0 142.0 Unauthorized Diversions Total 181.4 186.0 156.6 145.5 426.8 Unappropriated Water July 414.6 482.5 519.4 406.5 596.7 Subtract 373.0 428.9 414.7 403.9 469.7 Effluent Minus 2 cfs Losses Subtract 50.3 50.3 50.3 50.3 50.3 License 12598 Add 142.0 142.0 142.0 142.0 142.0 Unauthorized Diversions Total 133.3 145.3 94.3 218.7 Unappropriated Water August 444.4 490.8 488.2 678.5 787.4 USGS Flow Subtract 373.0 428.9 414.7 403.9 469.7 Effluent Minus 2 cfs Losses Subtract I 50.3 I 50Y3~ -I 196.4 I P~~r3 50.3 I 50.3 USGSFlo& I License 12598 Add 142.0 142 .O 142.0 142.0 142.0 Unauthorized Diversions Total 163.1 153.6 165.2 366.3 409.4 Unappropriated Water -3- -. APPENDIX Sept. I, continued I 458.3 I 479.2 1 1,135.s 1 394.5 Subtract I 995.6 USGS Flow 473.7 Effluent Minus 2 cfs Losses 48.7 License 12598 Unauthorized Diversions 377.0 I 432.g Subtract -1 48.7 I 48.7 Add 142.0 142.0 142.0 142.0 142.0 Total 174.6 139.6 810.1 79.9 615.2 I 1979 1980 1981 1 1982 I 1 1983 Unappropriated Water 1 Water Year I October 733.6 : 986.0 950.3 978.0 923.9 Subtract 469.7 593.0 616.4 658.9 651.4 Effluent Minus 2 cfs Losses Subtract 50.3 50.3 50.3 50.3 50.3 License 12598 142.0 142.0 142.0 142.0 Unauthorized Diversions 355.6 484.7 425.6 410.8 364.2 Unappropriated Water November 1,446.8 1,370.s 983.7 1,600.6 2,889.7 USGS Flow Subtract 473.7 597.0 620.4 662.9 655.4 Effluent Minus 2 cfs Losses Add 142.0 Total 1 48.7 I- 48.7 1 -48.7 : USGS Flow a, 8 c I- License 12598 ~ 1 Subtract 48.7 _-I 48.7 Add 142.0 142.0 142.0 142.0 142.0 Unauthorized Diversions 1,066.4 866.8 456.6 1,031.o 2,327.6 Unappropriated Water December 1,491.g 1,247.3 1,226.O 1‘142.7 1,539..5 USGS Flow. Subtract 469.7 593.0 616.4 658.9 651.4 Effluent Minus 2 cfs Losses Subtract 50.3 50.3 50.3 50.3 50.3 License 12598 Total / I Add Total 0.0 971.9 0.0 6d'4.0 0.0 0.0 559.3 433.5 0.0 837.8 Unauthorized Diversions i Unappropriated Water r -4- APPENDIX I, continued c 2 cfs Losses Diversions Water 2 cfs Losses -5- APPENDIX I, continued May 1 1,150.6 j 1,426.4 1 890.8 1 990.0 1 1,862.g 1 Subtract 1 593.0 1 616.4 j 658.9 / 651.4 j 729.7 j Subtract 1 50.3 1 50.3 1 50.3 1 50.3 1 50.3 USGS Flow E'z"c"f'fe~~.i_n~~ (- --License 12598 Add 142.0 142.0 142.0 142.0 142.0 Unauthorized Diversions Total 649.3 901.7 323.6 430.3 1,224.g Unappropriated Water Jllk 1,031.3 1,168.2 890.5 973.8 1,499.4 USGS Flow 597.0 620.4 662.9 655.4 733.7 Effluent Minus 2 cfs Losses 48.7 License 12598 Subtract Subtract I 40.7 I 40.7 I 48.7 I 48.7 I Add 142.0 142.0 142.0 142.0 142.0 Unauthorized Diversions Total 527.6 641.1 320.9 411.7 859.0 Unappropriated Water .July 1,107.o 1,114.g 863.0 910.6 1,208.2 USGS Flow Subtract 593.0 616.4 658.9 651.4 729.7 Effluent Minus 2 cfs Losses Subtract 50.3 50.3 50 :3 50.3 50.3 License 12598 Add 142.0 142.0 142.0 142.0 142.0 Unauthorized Diversions Total 605.7 590.2 295.8 350.9 570.2 Unappropriated Water 1,180.4 1,039.5 878.9 737.6 1,408.S USGS Flow Subtract 593.0 616.4 658.9 651.4 729.7 Effluent Minus 2 cfs Losses Subtract 50.3 50.3 50.3 50.3 50.3 License 12598 Add 142.0 142.0 142.0 142.0 142.0 Unauthorized Diversions Total 679.1 514.8 311.7 177.9 770.5 Unappropriated Water August -6- APPENDIX I, continued 0 Sept. l .* Subtract 1,168.Z 1 977.8 I 620.4 597.0 797.3 1 662.9 864.7 1,927.E 655.4 USGS FLOW 733.7 Effluent Minus 2 cfs Losses Subtract 48.7 License 12598 Add 142.0 Unauthorized Diversions 1,287.4 Unappropriated Water 142.0 142.0 Unauthorized Diversions 357.0 1,698.3 Unappropriated Water 1,572.g Recorded Flow Total I October Subtract 1,,945.8 729.7 Subtract 48.7 Add 142.0 Total c1 1 / 1,309.4 961.8 1.019.5 717.6 727.2 755.0 48.7 48.7 48.7 142.0 1 613.4 I November 1,812.g I 1,237.7 1 142.0 327.9 I 1,876.4 I I 2,642.0 1,929.g. Subtract 733.7 / 721.6 j 731.2 / 759.0 Subtract 48.7 I 48.7 1 48.7 1 48.7 Add 142.0 142.0 142.0 142.0 Total 1,172.5 1,248.l 2,004.l 1,264.2 December 2,681.7 3,530.6 1,315.l 890.6 3,483.0 Recorded Flow Subtract 729.7 717.6 727.2 755.0 755.0 Effluent Minus 2 cfs Losses Subtract 48.7 48.7 Add 0.0 0.0 -1 1 48.7 0.0 48.7 0.0 1 48.7 1,903.3 2‘764.3 539.2 -7- 86.9 1 142.0 907.2 I 48.7 0.0 . Total Effluent Minus 2 cfs Losses 759.0 2,679.3 License 12598 Unauthorized Diversions I 1 Unappropriated Water License 12598 Unauthorized Diversions Unappropriated Water APPENDIX I, continued , January 1,336.g 1,485.6 3,020.g 1,576.g 2,719.4 Recorded Flow Subtract 717.6 727.2 755.0 755.0 773.6 Effluent Minus 2 cfs Losses Subtract 48.7 48.7 48.7 48.7 48.7 License 12598 Add 0.0 0.0 0.0 0.0 0.0 Unauthorized Diversions 2 cfs Losses Unauthorized .--Record&d.FLow. Effluent Minus Unapproprla Diversions -8- APPENDIX I, continued ME& 930.3 866.8 1,309.l 920.3 914.2 Subtract 717.6 727.2 755.0 755.0 773.6 Subtract I 48.7 I 48.7 ( 1 48.7 48.7 1 48.7 Recorded Flow Effluent Minus 2 cfs Losses I License 12598 Add 142.0 142.0 142.0 142.0 142.0 Unauthorized Diversions Total 306.0 232.9 647.4 258.6 233.9 Unappropriated Water 1,118.7 837.0 9+.2 I &me 1,qz1.5 761.'. 3 Recorded Flow Subtract 721.6 731.2 759.0 759.0 7'47.6 Subtract 48.7 48.7 48.7 48.7 48.7 Add 142.0 142.0 142.0 142.0 142.0 Unauthorized Diversions Total 393.2 123.4 453.0 171.3 247.9 Unappropriated Water July. 852.9 866.8 liO31.4 870.8 Subtract 717.6 727.2 755.0 755.0 : 876.7 773.6 Effluent Minus 2 cfs Losses License Recorded 12598 Flow Effluent Minus 2 cfs Losses Unauthorized Effluent Subtract -9- Minus APPENDIX .Sept. I, continued 1, 071.1 :' ... B78.7 1,194.l 799.4 971.9 Recorded Flow Subtract 717.6 727.2 755.0 755.0 773.6 Effluent Minus 2 cfs Losses Subtract 48.7 48.7 48.7 48.7 48.7 License 12598 Add 142.0 142.0 142.0 142.0 142.0 Unauthorized Diversions Total 446.8 244.8 532.4 137.7 291.6 Unappropriated Water Treated waste water volumes Table Notes: USGS gage records from Staff, 2. Recorded Flows from City 18. -lO- from Tzjple 1.