BOARD AGENDA MEMORANDUM
SUBJECT:
Title
Potential Expansion of Pacheco Reservoir and/or Anderson Reservoir, Proposition 1 Funding Opportunity, and Potential Single Source Consultant Agreement.
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RECOMMENDATION:
Recommendation
A. Receive information on and discuss the merits of expanding Pacheco Reservoir and/or Anderson Reservoir;
B. Discuss the merits of preparing a Proposition 1 funding application for one or both of these projects;
C. Provide direction to staff to continue to evaluate Anderson Reservoir expansion as part of the 2017 Water Supply Master Plan update but not to proceed with studies or Proposition 1 application to expand the reservoir at this time; and
D. Authorize the Interim CEO to negotiate and execute a single source agreement with a consultant for up to $900,000 to prepare a Proposition 1 funding application for Pacheco Reservoir.
Body
SUMMARY:
The potential expansion of Pacheco and Anderson Reservoirs was previously evaluated by the US Bureau of Reclamation and the District as part of the San Luis Low Point Improvement Project (SLLPIP). However, these two alternatives were screened out during the planning process because benefits were determined to be insufficient to justify projected costs. Recently updated modeling performed in preparation for the District's 2017 Water Master Plan update indicates that there may be greater water supply benefits than previously estimated, as well as potential ecosystem benefits for the Delta and local fisheries that could make the expansion of either of these reservoirs eligible for Proposition 1 funding. The recent modeling analysis considers these alternatives in the context of water supply portfolios that include options such as the California Water Fix and purified water indirect or direct potable reuse. The supply analysis also considers other storage alternatives including Los Vaqueros Expansion and Sites Reservoir, and Del Valle Reservoir expansion. A comprehensive analysis...
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