Reservoir Historical Data


California Reservoirs San Luis Reservoir

San Luis Reservoir

HISTORICAL DATA
April 15 2026

968,306 acre-ft

-0.15% today
62% of Normal Low

The average water storage for this time of year is approximately 1,572,400.85acre-ft. Maximum recorded storage since record keeping began in 2003 was 2011-03-26 when levels reached 2,035,210.0 acre-ft. Lowest recorded storage was 2023-11-03 when levels receded to 131,344.0 acre-ft.

Storage 24hr Change -0.15%
Percent of Normal 62%
Minimum 131,344.0 acre-ft
2023-11-03
Maximum 2,035,210.0 acre-ft
2011-03-26
Average 1,572,401 acre-ft

Seasonal Comparison


Annual Maximums

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