Under the proposed project, the U.S. Bureau of Reclamation would issue a series of exchange agreements with the Mendota Pool Group over a 20-year period to allow up to 25,000 acre-feet per year of Central Valley Project water to be conveyed via the San Luis Canal to MPG farmlands within the Westlands Water District. In exchange, MPG would introduce an equivalent amount of suitable groundwater to the Mendota Pool (plus 5% "leave-in" quantity of water) that would be used by Reclamation to satisfy CVP contractual obligations to other users of the Mendota Pool. The exchange of water would be subject to annual agreements, management mechanisms (design constraints), a monitoring and reporting program, new groundwater recharge components, and a Warren Act contract with Reclamation to provide MPG with storage in San Luis Reservoir, dependent on available capacity. Under a No Project Alternative, the 25,000 AFY of CVP water to be exchanged with MPG under the proposed project would instead be delivered via the Delta-Mendota Canal to the Mendota Pool to satisfy existing contractual obligations. MPG would disband and groundwater pumping would not be subject to the management and reporting of the proposed project. A second alternative (alternative 2) is also being evaluated that includes all actions of the proposed project, but would also construct, maintain, and operate an 85-acre groundwater recharge basin west of the Mendota Pool. The River Ranch Recharge Basin under this alternative would function solely for the purpose of recharging the local groundwater aquifer and would not be used as a water bank.
San Joaquin River, Mendota Canal Pool, Fresno Slough
Notice of Completion
State Review Period Start
State Review Period End
State Reviewing Agencies
California Department of Conservation (DOC), California Department of Parks and Recreation, California Department of Transportation, District 6 (DOT), California Highway Patrol, California Native American Heritage Commission (NAHC), California Regional Water Quality Control Board, Central Valley Fresno Region 5 (RWQCB), California State Lands Commission (SLC), Caltrans, Division of Aeronautics, Central Valley Flood Protection Board, Department of Water Resources, Office of Historic Preservation, Resources Agency, State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Divison of Financial Assistance, California Department of Fish and Wildlife, Central Region 4 (CDFW)
State Reviewing Agency Comments
California Department of Fish and Wildlife, Central Region 4 (CDFW)
Water Facilities (Type Recharge basin, MGD 43,000afy), Other (continue groundwater exchange program (25,000AFY))
Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Economics/Jobs, Geology/Soils, Hydrology/Water Quality, Land Use/Planning, Noise, Transportation, Wetland/Riparian
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