california water commission · cwc meeting december 13, 2017 4 public benefits • ecosystem –...

California Water CommissionDecember 13, 2017 1

CWC Meeting December 13, 2017

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Existing Los Vaqueros Reservoir

• Los Vaqueros Reservoir is an off-stream reservoir in Contra Costa County with a capacity of 160 TAF

• Contra Costa Water District (CCWD) operates Los Vaqueros Reservoir in conjunction with four Delta intakes

• Benefits:– Water quality improvements – Drought supply reliability– Emergency supply


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Proposed Los Vaqueros Reservoir Expansion Project

What are the objectives?• Environmental Water• Water Supply Reliability• Improved Water Quality• Enhanced Recreation

Who will benefit?• San Joaquin Wildlife Refuges • Bay Area Water Agencies• South-of-Delta CVP Contractors• Statewide Water System

How will benefits be achieved?• Construct new pipelines, new pump stations, raise the dam• Operate project using existing intakes • Integrate regional systems• Coordinate with other state-wide water operations


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Public Benefits

• Ecosystem– Increased water supply for San Joaquin

Valley wildlife refuges– Improved survival of salmonids migrating

through Delta

• Emergency Response– Catastrophic emergency– Drought emergency

• Recreation– Enhance recreation at Los Vaqueros

Reservoir & Watershed


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Non-Public Benefits

• Increased Municipal & Industrial Supply

• Drinking Water Quality Improvements

• Agricultural Supply

Potential Partners• Alameda County Water District• Bay Area Water Supply and

Conservation Agency• Byron-Bethany Irrigation District• City of Brentwood• Grassland Water District• East Bay Municipal Utility District• East Contra Costa Irrigation District• San Francisco Public Utilities

Commission• San Luis & Delta-Mendota Water

Authority• Santa Clara Valley Water District• Zone 7 Water Agency

CCWD

EBMUD

SFPUC

BAWSCA ACWD

SCVWD

Zone 7

ECCIDBrentwood

BBID

SLDMWA

Los Vaqueros Reservoir


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CVPIA South-of-Delta Wildlife Refuges

Habitat managed by• California Department of Fish and

Wildlife (state)• Grassland Water District (local)• U.S. Fish and Wildlife Service

(federal)South-of-Delta Refuge Demands

Level 2 271,000Incremental Level 4 105,500*Total 376,500 acre-feet*not including conveyance losses

Priority placed on meeting Incremental Level 4


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Proposed Facilities

• New Neroly High-Lift Pump Station

• EBMUD system improvements for increased use of EBMUD-CCWD Intertie

• New Delta-Transfer Pipeline• Expanded Transfer Facility• New Transfer-Bethany pipeline • Expanded reservoir capacity of

275 TAF• New local interties to serve

Brentwood & ECCIDContra Costa Water District 5/30/17

Contra Costa Canal

Expanded Los Vaqueros

Reservoir

Mokelumne Aqueduct

Possible New Facilities

Existing Facilities

Clifton Court Forebay

Delta-Transfer Pipeline

Old River Pipeline Expanded Transfer Facility

EBMUD Intertie Pump Station

EBMUD Walnut Creek Pump Plant VFDs


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Sources of Water

• Existing water rights of potential partners

– CCWD, Los Vaqueros Water Right– DWR, State Water Project– EBMUD– ECCID– Reclamation, Central Valley Project

• Modification to rights, contracts and agreements may be required


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Proposed Operations


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Deliveries to Local Agencies and Wildlife Refuges


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Recreation Benefits

• 20,000 acres managed in watershed

• 50+ miles of trails• Upgraded Marina

– 2 Fishing piers– 50 Rental boats– Fish stocking

• Upgraded Interpretive Center– Educational programs


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Potential Integration with Other Projects

• Evaluated with other projects seeking WSIP funding

– Increase in carryover storage in existing upstream reservoirs by 250 TAF

– Increase in annual water deliveries up to 400 TAF/yr

– Increase in groundwater storage of 250 TAF

• Potential for future improvement and integration


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Valuation of Benefits

Ecosystem, $1,033 38%

Recreation, $34 1%

Emergency Response, $487 18%

M&I Water Supply,

$875 32%

Agricultural Water

Supply, $255 10%

Water Quality, $34 1%

Project Cost & Public Benefit Ratio

Present Value of Total Project Costs $1,327 M

Present Value of Total Project Benefits $2,709 M

Total Benefits : Total Project Costs 2.05

Total Capital Costs $795 MPresent Value of Public Benefits $1,544 M

Total Requested Program Cost Share $434 M

Public Benefit Ratio 3.58



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Schedule

January 2018 Public Draft Federal Feasibility ReportJune 2018 Preliminary CWC eligibility and funding

decisionsNovember 2018 Final Supplement to the Final EIS/EIR

Final Federal Feasibility Report2019 - 2021 Finalize design, permitting, local

agreements, state agency agreementsJanuary 2022 Final CWC funding agreements

2022-2024 Construct bid package #1 (pipes, pumps) and operations begin

2024-2027 Construct bid package #2 (dam raise, recreation) and public benefits begin


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ReferencesSlide Number Location in Application

2. Project Description (Section 3-4)3. Executive Summary 4. Executive Summary & Project Description (Section 3-4)5. Executive Summary & Project Description (Section 3-4)6. Executive Summary & Project Description (Section 3-4)7. Executive Summary & Project Description (Section 3-4)8. Project Conditions (Section 6-2)9. Project Description (Section 3-4)10. Executive Summary & Project Operations (Section 6-3)11. Executive Summary & Physical Public Benefits (Section 4)12. Project Description (Section 3-4) & Recreation (Section 4-4)13. Executive Summary & Project Description (Section 3-4)14. Executive Summary & Cost Allocation (Section 6-11)15. Executive Summary & Summary Tables (Section 6-12)16. Executive Summary & Feasibility & Implementation Risk

(Section 5-3)


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Thank youQuestions?

Project Informationhttp://www.ccwater.com/lvstudies

Contact InformationMarguerite PatilSpecial Assistant to the General ManagerContra Costa Water DistrictP.O. Box H20Concord, CA 94524(925) [email protected]

california water commission · cwc meeting december 13, 2017 4 public benefits • ecosystem –...

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