Other Alternative Water Supplies
The SFPUC is investigating several projects to increase the capacity of our water storage. This includes the possibility of expanding existing reservoirs, converting other assets into reservoirs, or storing water in underground aquifers.
We are working with other regional water agencies to explore opportunities to transfer and exchange water to meet water supply demands, particularly during droughts and emergencies. Working together allows partnering agencies to leverage existing infrastructure and connections.
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Alternative Water Supply Plan
The Alternative Water Supply Plan is a roadmap to guide water supply planning to help address projected supply shortfalls through 2045. The Plan represents the current thinking guiding the development of alternative water supplies for the SFPUC and is expected to be updated in Fiscal Year 2026-2027 as more information on planning drivers becomes available.
Version for Viewing Online:
Alternative Water Supply Plan February 2024
Printable version:
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Alternative Water Supply Planning Reports
- 2023-2024 Alternative Water Supply Annual Progress Report
- June_2023_AlternativeWaterSupplyQuarterlyReport
- March_2023_AlternativeWaterSupplyQuarterlyReport
- December_2022_AlternativeWaterSupplyQuarterly Report
- September 2022_Alternative Water Supply Quarterly Report
- June 2022_Alternative Water Supply Quarterly Report
- March 2022_Alternative Water Supply Quarterly Report
- December 2021 Alternative Water Supply Quarterly Report
- September 2021 Alternative Water Supply Quarterly Report
- June 2021 Alternative Water Supply Quarterly Report
- March 2021 Alternative Water Supply Quarterly Report
- December 2020 Alternative Water Supply Quarterly Report
- August 2020 Alternative Water Supply Quarterly Report
- June 2020 Alternative Water Supply Quarterly Report
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Water Supply and Demand Worksheet
On Friday, January 8, 2021, SFPUC staff held an instructional workshop to review how to use the SFPUC Water Supply and Demand Worksheet. This worksheet shares a summary of the calculated values that are used as the basis for SFPUC water supply policy. Allowing discussions using the same values can foster a meaningful discussion of water policy. Please refer to the user guide and the instructional video to see how to use the worksheet.