Isabella Dam

Reservoir Levels Weather Hydrology

Isabella Dam is a concrete gravity dam on the Kern River in Kern County, California. The dam was constructed in 1953 and is operated by the U.S. Army Corps of Engineers. It is 190 feet high and 1,550 feet long. The reservoir created by the dam, Lake Isabella, has a capacity of 568,000 acre-feet and is used for flood control, irrigation, and recreation. The hydrology of the area is characterized by a Mediterranean climate with wet winters and dry summers. The Kern River and its tributaries are the primary surface water providers for the area, while snowpack from the Sierra Nevada Mountains also contributes to the water supply. The dam provides water for agricultural purposes in the region, including crops such as alfalfa, cotton, and citrus. Recreational activities at Lake Isabella include fishing, boating, and camping.

June 15, 2024







Storage 24hr Change -0.36%
Percent of Normal 167%
Minimum 30,158 acre-ft
Maximum 550,002 acre-ft
Average 242,748 acre-ft
Dam_Height 98
Hydraulic_Height 173
Drainage_Area 2074
Year_Completed 1953
Nid_Storage 568000
River_Or_Stream KERN RIVER
Structural_Height 185
Primary_Dam_Type Earth
Surface_Area 11200
Hazard_Potential High
Dam_Length 1695
Nid_Height 185

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