Storage Levels Hydrology Weather

California Upper Stanislaus Watershed

Lyons Reservoir

June 9 2023

3,966 acre-ft

+0.15% today
78% of Normal Low

Water storage levels at Lyons Reservoir are currently 3,966 acre-ft, about 78% of normal. The average for this time of year is approximately 5,115.84acre-ft.

Maximum recorded Storage since record keeping began in 2003 was 2008-09-05 when levels reached 14,510 acre-ft. Lowest recorded Storage was 2019-10-25 when levels receded to 4 acre-ft.

Lyons Reservoir is a man-made lake located in the Sierra Nevada Mountains in California, providing hydroelectric power generation, irrigation, and recreational activities. It was constructed in the 1930s to create a reliable water supply and hydropower facility for the local area. The reservoir is fed by surface flow from the Stanislaus River and the North Fork of the Tuolumne River, as well as from snowpack melting during the spring season. The area around the reservoir is primarily used for agricultural purposes, including grazing and timber harvesting. The reservoir is also a popular spot for fishing, boating, and camping during the summer months. The surrounding forests and mountain ranges offer opportunities for hiking, hunting, and other outdoor activities.

Geolocation -120.166, 38.094
Elevation 4,134 ft
Storage 24hr Change 0.15%
Percent of Normal 78%
Minimum 4 acre-ft
Maximum 14,510 acre-ft
Average 5,116 acre-ft
Nearby Reservoirs
Juncal Dam (Jameson Lake)
Gibraltar Dam
Santa Ynez R Ab Gibraltar Dam Nr Santa Barb Ca
Alisal Res Nr Solvang Ca
Cachuma Lake
Twitchell Reservoir
Lopez Lake
Santa Margarita Lake
Whale Rock


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