Lewiston Lake

Lewiston Lake
Lewiston Dam on the Trinity River forming the lake behind
Lewiston Lake Show map of California Lewiston Lake Show map of the United States
Location	Trinity County, California
Coordinates	40°43′54″N 122°47′54″W / 40.7316836°N 122.7984709°W / 40.7316836; -122.7984709[1]
Type	Reservoir
Primary inflows	Trinity River
Primary outflows	Trinity River
Basin countries	United States
Surface area	750 acres (300 ha)
Water volume	14,660 acre⋅ft (18.08 GL)
Surface elevation	1,903 ft (580 m)
Settlements	Weaverville, California

Lewiston Lake is a reservoir impounded by Lewiston Dam on the Trinity River, in Trinity County, California.

Lewiston Lake is near the towns of Weaverville and Lewiston in Trinity County, California.

It is used for transbasin diversion to the Sacramento River and flood control, as well as for hydroelectric generation. It is in the canyon between the Trinity Mountains and Marble Mountains of the southern Klamath Mountains System.

Lewiston reservoir is within the Trinity Unit of the Whiskeytown-Shasta-Trinity National Recreation Area, in the Shasta-Trinity National Forest. It is a popular destination for fishing, kayaking, and camping.

The California Office of Environmental Health Hazard Assessment (OEHHA) has developed a safe eating advisory for Lewiston Lake based on levels of mercury or PCBs found in fish caught from this water body.^[2]

• List of dams and reservoirs in California
• Trinity Mountains topics

• "Shasta-Trinity National Recreation Area (NRA)". US Forest Service. 31 December 2008. Retrieved 2009-03-26.
• "NPDP Dams Directory: Lewiston Dam (CA10165)". National Performance of Dams Program (NPDP). Stanford University. Archived from the original on 2011-07-16. Retrieved 2009-03-26.

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