What role does the State Water Project (SWP) play in the GSP?

The Napa County Flood Control and Water Conservation District (District) entered into a Water Supply Contract (Contract) with DWR on December 19, 1963. This contract provided the District with water supplies from the SWP. Subsequently, the District entered into sub-contracts with the cities of Napa, American Canyon and Calistoga. These agencies are referred to as "Member Units."

The District may request up to 29,025 acre-feet of water annually from the SWP, for use by the three cities. For 2021, the approved allocation was 5% or 1,451 acre-feet. There is a prior year carryover of 4,853 acre-feet.

The SWP applies to the sustainability of ongoing municipal water service deliveries. Surface water resources are accounted for in the water budget for the subbasin in the GSP.

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1. What role does the State Water Project (SWP) play in the GSP?
2. What did the Local Agency Formation Commission (LAFCO) recommend in their Municipal Service Review (MSR) and how does that affect the GSA?
3. Would a single county-wide water agency solve the drought?
4. What steps is City of Napa taking to limit the sale of trucked water to residents in the unincorporated area?
5. Return to the Groundwater FAQ page