BOARD AGENDA MEMORANDUM
SUBJECT:
Title
Water Supply Master Plan 2040 Update.
End
RECOMMENDATION:
Recommendation
A. Reaffirm the 2012 "Ensure Sustainability" Strategy for the Water Supply Master Plan 2040;
B. Approve changing the water supply reliability level of service goal from meeting 90 percent of normal year demands, as identified in the Water Supply Master Plan, in drought years to meeting 80 percent of demands in drought years;
C. Receive information and provide direction on the approach to the monitoring and assessment plan (MAP) for implementing the Water Supply Master Plan 2040; and
D. Direct staff to return with updates on projects with near-term decisions points.
Body
SUMMARY:
The Water Supply Master Plan (Master Plan) is the District's strategy for providing a reliable and sustainable water supply in a cost-effective manner. It informs investment decisions by describing the type and level of water supply investments the District is planning to make through 2040, the anticipated schedule, the associated costs and benefits, and how Master Plan implementation will be monitored and adjusted. The Board last received information on the Master Plan update at its November 20, 2018 meeting. At that time, the Board received and discussed staff's recommendations to change the water supply reliability level of service goal, reaffirm the 2012 "Ensure Sustainability" strategy, and provide input on the monitoring and assessment approach. The Board requested that staff return to the Board at a later date for formal Board action and include additional information on project risks and other agencies' level of service goals. This memorandum summarizes prior analyses including the risk analysis, provides a rationale for updating the District's current water supply reliability level of service goal including other agencies' level of service goals, and describes how the Master Plan will be monitored and adapted to changing conditions.
Summary of Prior Ana...
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