Storage Levels Hydrology Weather

California Upper Chowchilla-Upper Fresno Watershed

Buchanan Dam

June 6 2023

128,549 acre-ft

-0.28% today
174% of Normal Very High

Water storage levels at Buchanan Dam are currently 128,549 acre-ft, about 174% of normal. The average for this time of year is approximately 73,595.63acre-ft.

Maximum recorded Storage since record keeping began in 2003 was 2011-06-10 when levels reached 145,460 acre-ft. Lowest recorded Storage was 2022-11-29 when levels receded to 9,063 acre-ft.

Buchanan Dam is located in California, and it was constructed in the 1930s to control the flow of the San Joaquin River. The dam is operated by the Bureau of Reclamation, and it serves as a significant source of hydroelectric power for the region. The dam also provides water for irrigation purposes and recreation for the surrounding communities. The dam has a capacity of 1,565,400 acre-feet, and it is fed by specific surface flows and snowpack providers like the San Joaquin River and the Sierra Nevada snowpack. The water stored in Buchanan Dam is used for agricultural purposes, including citrus and almond crops. The dam also provides recreational opportunities for fishing, boating, and camping.

Geolocation -119.970, 37.213
Elevation 450 ft
Storage 24hr Change -0.28%
Percent of Normal 174%
Minimum 9,063 acre-ft
Maximum 145,460 acre-ft
Average 73,596 acre-ft
Nearby Reservoirs
Pine Flat Dam
Friant Dam (Millerton)
New Exchequer-Lk Mcclure
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Don Pedro Res Nr La Grange Ca
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Goodwin Dam
Tulloch Res Nr Knights Ferry Ca
Hetch Hetchy Res A Hetch Hetchy Ca
New Melones Reservoir


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