Modesto Reservoir

Reservoir Levels Weather Hydrology

Modesto Reservoir, located in Stanislaus County, California, was built in 1975 by the United States Bureau of Reclamation. The reservoir has a capacity of 29,000 acre-feet, and is fed by the Tuolumne River. The hydrology of the reservoir is managed by the Modesto Irrigation District, which uses the water for agricultural purposes. The surface flow provider for the reservoir is the Tuolumne River, and the snowpack provider is the Sierra Nevada Mountains. The reservoir is used for recreational purposes, such as camping, fishing, and boating. The reservoir also serves as a source of drinking water for the city of Modesto.

May 22, 2024







24hr Change None%
Percent of Normal None%
Nid_Height 36
Hydraulic_Height 36
Drainage_Area 10
Year_Completed 1911
Dam_Height 36
River_Or_Stream Tr Tuolumne Rv
Primary_Dam_Type Earth
Surface_Area 3800
Nid_Storage 40000
Dam_Length 1235
Hazard_Potential High

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