LOWER CRYSTAL SPRINGS RESERVOIR

Reservoir Levels Weather Hydrology

California Reservoirs San Francisco Bay Watershed

Lower Crystal Springs Reservoir

RESERVOIR REPORT
September 29 2023

50,123 acre-ft

None% today
None% of Normal Very Low

Water storage levels at Lower Crystal Springs Reservoir are currently 50,123 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 2023-01-16 when levels reached 65,788 acre-ft. Lowest recorded Storage was 2022-03-21 when levels receded to 42,876 acre-ft. View historical levels.

Lower Crystal Springs Reservoir is a man-made reservoir located on the northern end of the Santa Clara Valley in California. The reservoir was built in 1888 to provide drinking water to the residents of San Francisco. The hydrology of the reservoir is primarily controlled by the San Andreas Fault, which runs directly under the reservoir. The reservoir is fed by surface flows from the San Mateo Creek and is also a snowpack provider during the winter months. The water from the reservoir is used for municipal purposes and agricultural irrigation. Recreational uses of the reservoir include fishing, boating, and hiking. The reservoir is home to a variety of fish species, including bass, catfish, and bluegill.

Geolocation -122.356, 37.515
Elevation 293 ft
Storage 24hr Change None%
Percent of Normal None%
Minimum 42,876 acre-ft
2022-03-21
Maximum 65,788 acre-ft
2023-01-16
Average acre-ft
AREA SURFACE FLOWS
Streamgauge Streamflow Stage
ARROYO VALLE BL LANG CN NR LIVERMORE CA 0 cfs 0.9 ft
SAN ANTONIO C NR SUNOL CA 0 cfs 2.8 ft
ALAMEDA C NR NILES CA 21 cfs 2.8 ft
PILARCITOS C BL STONE DAM NR HILLSBOROUGH CA 2 cfs 5.0 ft
ALAMEDA C FLOOD CHANNEL A UNION CITY CA 40 cfs 7.1 ft
ALAMEDA C BL WELCH C NR SUNOL CA 15 cfs 11.4 ft

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