Reservoir Historical Data


California Reservoirs Cogswell Reservoir

Cogswell Reservoir

HISTORICAL DATA
April 1 2026

1,090 acre-ft

0.0% today
40% of Normal Very Low

The average water storage for this time of year is approximately 2,739.33acre-ft. Maximum recorded storage since record keeping began in 2021 was 2023-01-18 when levels reached 8,892.0 acre-ft. Lowest recorded storage was 2021-09-06 when levels receded to 15.0 acre-ft.

Storage 24hr Change 0.0%
Percent of Normal 40%
Minimum 15.0 acre-ft
2021-09-06
Maximum 8,892.0 acre-ft
2023-01-18
Average 2,739 acre-ft

Seasonal Comparison


Annual Maximums

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