Storage Levels Hydrology Weather

California San Pablo Bay Watershed

Briones Dam

June 6 2023

58,480 acre-ft

None% today
None% of Normal Very Low

Water storage levels at Briones Dam are currently 58,480 acre-ft, about None% of normal. The average for this time of year is approximately Noneacre-ft.

Maximum recorded Storage since record keeping began in 2021 was 2023-03-29 when levels reached 59,250 acre-ft. Lowest recorded Storage was 2021-10-19 when levels receded to 49,150 acre-ft.

Briones Dam is located in Contra Costa County, California, and was completed in 1964. Its primary purpose is to provide flood control and water supply to the region. The dam impounds the Bear Creek tributary of the San Pablo Reservoir. The hydrology of the area is influenced by the Mediterranean climate, with most of the rainfall occurring between November and April. The dam is primarily fed by surface flows from Bear Creek, but it also receives water from snowpack melt in the surrounding hills during the spring and early summer. The water from the reservoir is used for irrigation and municipal supply, and there are also recreational opportunities such as fishing and hiking in the surrounding Briones Regional Park.

Geolocation -122.207, 37.915
Elevation 588 ft
Storage 24hr Change None%
Percent of Normal None%
Minimum 49,150 acre-ft
Maximum 59,250 acre-ft
Average acre-ft


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