Gem Lake

Reservoir Levels Weather Hydrology

Gem Lake is a small, high-altitude body of water located in the Sierra Nevada Mountains of California, near Mammoth Lakes. The lake was formed by glacial activity during the last Ice Age, and is fed by several snowmelt streams and small springs. The surrounding area is home to a variety of wildlife, including black bears, mule deer, and mountain lions. There are several hiking trails leading to and around the lake, making it a popular destination for outdoor enthusiasts. The area is also used for recreational activities such as fishing and camping. In addition, the water from Gem Lake is used for irrigation purposes by nearby agricultural operations.

June 13, 2024







24hr Change None%
Percent of Normal None%
Dam_Height 80
Hydraulic_Height 80
Drainage_Area 21.6
Year_Completed 1917
Nid_Storage 17228
Structural_Height 80
Foundations Rock
Surface_Area 282
River_Or_Stream Rush Creek
Dam_Length 688
Hazard_Potential High
Primary_Dam_Type Concrete
Nid_Height 80

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Nearby Streamgauges


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