Little Grass Valley

Reservoir Levels Weather Hydrology

Little Grass Valley Reservoir is a lake located in Plumas County, California, USA. The reservoir was created by the construction of Little Grass Valley Dam, which was completed in 1961 by Pacific Gas and Electric Company. The dam is 105 feet high and 1,610 feet long. The reservoir has a capacity of 105,000 acre-feet and is part of the North Fork Feather River watershed. It is fed by the Little Grass Valley Creek and other small creeks, and provides water for irrigation, domestic, and industrial use. The reservoir is also used for recreational activities like fishing, boating, and swimming. The surrounding area has many campgrounds and hiking trails. Little Grass Valley is an important source of water for the region and is managed by the Plumas County Water Agency.

May 21, 2024







Storage 24hr Change 0.22%
Percent of Normal 108%
Minimum 36,493 acre-ft
Maximum 94,390 acre-ft
Average 79,572 acre-ft
Nid_Height 210
Hydraulic_Height 198
Drainage_Area 25.8
Year_Completed 1961
Dam_Height 184
River_Or_Stream South Fork Feather River
Structural_Height 210
Primary_Dam_Type Earth
Foundations Rock
Surface_Area 1630
Hazard_Potential High
Outlet_Gates Tainter (radial) - 2
Nid_Storage 94660
Dam_Length 840

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