Reservoir Historical Data


California Reservoirs Oneill Forebay

Oneill Forebay

HISTORICAL DATA
April 1 2026

45,237 acre-ft

-4.49% today
93% of Normal Normal

The average water storage for this time of year is approximately 48,864.75acre-ft. Maximum recorded storage since record keeping began in 2021 was 2023-12-21 when levels reached 54,212.0 acre-ft. Lowest recorded storage was 2023-01-18 when levels receded to 36,527.0 acre-ft.

Storage 24hr Change -4.49%
Percent of Normal 93%
Minimum 36,527.0 acre-ft
2023-01-18
Maximum 54,212.0 acre-ft
2023-12-21
Average 48,865 acre-ft

Seasonal Comparison


Annual Maximums

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