Davis-Woodland Water Supply Project (“DWWSP”)

Davis-Woodland Water Supply Project (“DWWSP”)

The 2007 DWWSP EIR describes the need for water supply transfer agreements when the diversion prohibition in the State Water Board’s Standard Permit Term 91 (Term 91) is in effect. To provide a reliable water supply during such conditions, the Project Partners may enter into water supply transfer agreements with holders of senior water rights or contracts with the Bureau of Reclamation for diversions within the Sacramento River watershed. During periods when the Term 91 diversion prohibition is in effect, the Project Partners would divert water through transfer agreements or sales, as authorized by such senior water rights or contracts. The 2007 DWWSP EIR identified several senior water rights holders as potential suppliers to the Project Partners when the Term 91 diversion prohibition is in effect. Since that time, additional potential suppliers have been identified, including The Nature Conservancy. The Nature Conservancy has a flow-based water right from Mill Creek, which discharges into the Sacramento River. The Nature Conservancy would ensure water flow in Mill Creek to the Sacramento River for benefit of salmon and the Agency would redivert it approximately 120 miles downstream. Initially, The Nature Conservancy is willing to agree to a lease of up to 3.0 TAF annually during the period of November 1, 2021 through March 31, 2022 at a rate of up to 8.0 million gallons per day (MGD). This addendum addresses the potential lease of The Nature Conservancy water (up to 3.0 TAF) to the Agency during the period of November 1, 2021 through March 31, 2022. The water would be diverted at the DWWSP intake/diversion structure, located on the Sacramento River, at rate not to exceed 8.0 MGD up to a total of 3.0 TAF.

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Northern California

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