Reservoir Historical Data


California Reservoirs Union Valley

Union Valley

HISTORICAL DATA
January 2 2026

255,136 acre-ft

-0.33% today
157% of Normal Very High

The average water storage for this time of year is approximately 161,917.38acre-ft. Maximum recorded storage since record keeping began in 2003 was 2005-07-02 when levels reached 275,518.0 acre-ft. Lowest recorded storage was 2021-10-22 when levels receded to 90,130.0 acre-ft.

Storage 24hr Change -0.33%
Percent of Normal 157%
Minimum 90,130.0 acre-ft
2021-10-22
Maximum 275,518.0 acre-ft
2005-07-02
Average 161,917 acre-ft

Seasonal Comparison


Annual Maximums

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