Don Pedro Reservoir

Reservoir Levels Weather Hydrology

Don Pedro Reservoir is located in Tuolumne County, California, and was constructed in 1971. It is a major water storage facility in the state and provides water to agricultural, industrial, and urban areas. The reservoir is fed by surface water flow from the Tuolumne River and snowpack melt from the nearby Sierra Nevada mountains. The hydrology of the reservoir is managed by the Turlock Irrigation District, which operates the Don Pedro and La Grange dams. The reservoir has a capacity of 2.03 million acre-feet and covers an area of about 13,000 acres. It is used for multiple recreational activities, including fishing, boating, camping, and hiking. The reservoir also provides habitat for various wildlife species, such as bald eagles and black bears.

June 14, 2024







Storage 24hr Change 0%
Percent of Normal 120%
Minimum 628,612 acre-ft
Maximum 2,026,152 acre-ft
Average 1,619,817 acre-ft
Nid_Height 585
Hydraulic_Height 560
Drainage_Area 1540
Year_Completed 1971
Dam_Height 585
Structural_Height 585
Primary_Dam_Type Earth
Foundations Rock
Surface_Area 13000
Hazard_Potential High
Outlet_Gates Tainter (radial) - 3
Nid_Storage 2300000
River_Or_Stream Tuolumne River
Dam_Length 1900

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