Storage Levels Hydrology Weather

California Panoche-San Luis Reservoir Watershed

San Luis Reservoir

June 6 2023

2,024,152 acre-ft

+0.1% today
170% of Normal Very High

Water storage levels at San Luis Reservoir are currently 2,024,152 acre-ft, about 170% of normal. The average for this time of year is approximately 1,186,380.94acre-ft.

Maximum recorded Storage since record keeping began in 2003 was 2011-03-26 when levels reached 2,035,210 acre-ft. Lowest recorded Storage was 2021-10-23 when levels receded to 192,050 acre-ft.

San Luis Reservoir is located in Merced County, California and was created in 1967 by the construction of the San Luis Dam. The reservoir has a capacity of 2,041,000 acre-feet and is the fifth-largest reservoir in California. The reservoir serves as a critical source of water for the Central Valley Project, providing irrigation water for more than 600,000 acres of farmland. The reservoir also serves as a recreational destination, with boating, fishing, and camping opportunities available. The hydrology of the reservoir is largely dependent on surface flows from the San Joaquin River and snowpack melt from the Sierra Nevada Mountains. San Luis Reservoir is managed by the California Department of Water Resources and plays a crucial role in meeting the water needs of both agricultural and urban areas in California.

Geolocation -121.133, 37.033
Elevation 543 ft
Storage 24hr Change 0.1%
Percent of Normal 170%
Minimum 192,050 acre-ft
Maximum 2,035,210 acre-ft
Average 1,186,381 acre-ft


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