Twitchell Reservoir

Reservoir Levels Weather Hydrology

Twitchell Reservoir, located in California's San Joaquin Valley, was built in 1960 as part of the Central Valley Project. The reservoir is fed by the Kaweah River and serves as a water storage facility for irrigation and municipal water supply. The hydrology of the reservoir is heavily influenced by the surface flow of the Kaweah River and the snowpack from the nearby Sierra Nevada Mountains. The reservoir provides water to local agricultural communities and supplies drinking water to the city of Visalia. In terms of recreational use, Twitchell Reservoir is popular for fishing, boating, and camping. The reservoir has a capacity of 129,000 acre-feet and covers an area of 1,280 acres.

June 14, 2024







Storage 24hr Change None%
Percent of Normal None%
Minimum 70,462 acre-ft
Maximum 118,230 acre-ft
Average acre-ft
Dam_Height 241
Hydraulic_Height 207
Drainage_Area 1135
Year_Completed 1958
Nid_Storage 398120
Structural_Height 241
Primary_Dam_Type Earth
River_Or_Stream CUYAMA RIVER
Foundations Rock
Surface_Area 9448
Hazard_Potential High
Dam_Length 1804
Nid_Height 241

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