Storage Levels Hydrology Weather

California Lower American Watershed

Folsom Lake

June 6 2023

908,120 acre-ft

+0.57% today
114% of Normal High

Water storage levels at Folsom Lake are currently 908,120 acre-ft, about 114% of normal. The average for this time of year is approximately 792,661.95acre-ft.

Maximum recorded Storage since record keeping began in 2003 was 2005-06-12 when levels reached 970,375 acre-ft. Lowest recorded Storage was 2015-12-04 when levels receded to 135,561 acre-ft.

Folsom Lake is a reservoir located in Northern California, fed by the American River. Its history dates back to the 1950s, when it was built as part of the Central Valley Project to provide water for agriculture and urban areas. The hydrology of the lake is controlled by the Folsom Dam, which regulates water flows for flood control and hydroelectric power. The lake receives water from various sources, including the American River, several creeks and streams, and snowpack from the Sierra Nevada Mountains. The lake is used for recreational activities such as boating, fishing, and camping, and also serves as a critical water source for agriculture in the region. However, in recent years, the lake has faced challenges due to droughts and water shortages, impacting both agricultural and recreational uses.

Geolocation -121.183, 38.683
Elevation 466 ft
Storage 24hr Change 0.57%
Percent of Normal 114%
Minimum 135,561 acre-ft
Maximum 970,375 acre-ft
Average 792,662 acre-ft


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