BOARD AGENDA MEMORANDUM
SUBJECT:
Title
Cost-Sharing Agreement for Consulting Services to Evaluate Increasing Water Storage in Lake Del Valle Reservoir.
End
RECOMMENDATION:
Recommendation
A. Approve the Cost-Sharing Agreement between the Alameda County Water District (ACWD), Zone 7 Water Agency (Zone 7), Santa Clara Valley Water District (District), and East Bay Regional Parks District (EBRPD) for a District contribution of $75,000 towards an evaluation of increasing water storage in Lake Del Valle Reservoir, and
B. Authorize the Interim Chief Executive Officer (ICEO) to execute the Cost-Sharing Agreement.
Body
SUMMARY:
Alameda County Water District (ACWD), Zone 7 Water Agency (Zone 7), and the Santa Clara Valley Water District (District) (collectively, SBA Contractors), as well as East Bay Regional Parks District (EBRPD), are evaluating the feasibility of increasing the accessible storage capacity in Lake Del Valle Reservoir by as much as 25,000 Acre-feet (AF). Currently the reservoir has a total capacity of 77,000 AF, but existing flood rule curves limit the storage capacity to 40,000 AF. In anticipation of potential cost-sharing, and since it wished to proceed expeditiously with a planning study, ACWD secured the services of consultants to evaluate the potential to increase accessible storage in Lake Del Valle Reservoir. The consultants are evaluating: (1) the degree to which storage could be increased prudently given that local storm runoff has the potential to induce spills and downstream flooding when the reservoir is operated in a nearly-full mode, and (2) the feasibility and cost of relocating any facilities, including EBRPD recreation facilities, that would be displaced or otherwise impacted by the operational changes. These studies are anticipated to be complete by the end of April. ACWD is administering the consultant agreements, which collectively have a cost-not-to-exceed amount of $225,000. The cost-share agreement seeks to reimburse A...
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