Lake Eleanor

Reservoir Levels Weather Hydrology

Lake Eleanor is a reservoir located in Tuolumne County, California. The lake was created in the early 1900s as a part of the Hetch Hetchy water system development. It is managed by the San Francisco Public Utilities Commission and is used to supply water to the Bay Area. The hydrology of the lake is unique as it is fed by the Tuolumne River and receives water from the Hetch Hetchy Reservoir through a tunnel system. The snowpack from the Sierra Nevada Mountains also contributes to the lake's water supply. The lake is not used for agricultural purposes but is popular for recreational activities such as camping, fishing, and hiking. It is a part of the Stanislaus National Forest and is known for its scenic beauty.

June 16, 2024







Storage 24hr Change 0.21%
Percent of Normal 105%
Minimum 7,341 acre-ft
Maximum 27,452 acre-ft
Average 25,489 acre-ft
Nid_Height 61
Hydraulic_Height 61
Primary_Dam_Type Multi-Arch
Drainage_Area 80.4
Year_Completed 1918
Dam_Height 61
River_Or_Stream Eleanor Creek
Surface_Area 953
Hazard_Potential High
Nid_Storage 28600
Dam_Length 1260

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