| Mammoth Pool Reservoir | |
|---|---|
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  Mammoth Pool Reservoir  Mammoth Pool Reservoir | |
| Location | Sierra National Forest Fresno County, California Madera County, California |
| Coordinates | 37°21′15″N 119°18′32″W / 37.3541°N 119.309°W |
| Type | Reservoir |
| Primary inflows | San Joaquin River |
| Primary outflows | San Joaquin River |
| Catchment area | 998 sq mi (2,580 km2) |
| Basin countries | United States |
| Max. length | 5 mi (8.0 km) |
| Max. width | 1.5 mi (2.4 km) |
| Surface area | 1,100 acres (450 ha) |
| Water volume | 123,000 acre⋅ft (152,000,000 m3) |
| Surface elevation | 3,330 ft (1,010 m) |
| References | U.S. Geological Survey Geographic Names Information System: Mammoth Pool Reservoir |
Mammoth Pool Reservoir is a reservoir on the San Joaquin River in the Sierra Nevada, within the Sierra National Forest in California. It creates the border between Fresno County and Madera County. It is about 45 miles (72 km) north-northeast of Fresno.
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Mammoth Pool Overflow
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Yosemite Sierra Summer Camp's XL Program at Mammoth Pool
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Mammoth Pools spillway spilling (4 of 5)
Transcription
Hydroelectric power
The 123,000 acre⋅ft (152,000,000 m3) reservoir is formed by Mammoth Pool Dam, an earth-fill dam completed in 1960.[1] It was built by Southern California Edison for hydroelectricity production. The dam's power plant can produce up to 190 megawatts.[citation needed] The dam, reservoir and power plant are part of the Big Creek Hydroelectric Project, perhaps the most extensive hydroelectric system in the world.[citation needed]
Recreation
The reservoir is also a recreation area. Activities at the lake include, swimming, fishing, camping and boating.
The reservoir is closed to the public during the month of May and the first half of June to allow migrating deer to swim across the reservoir so as to spend the summer in the Sierra Nevada highlands.
The reservoir is inaccessible following the first snowstorm, usually occurring in November, as the access road is not snowplowed.[2]
2020 forest fire
Road access to a campground beside the reservoir was blocked by the Creek Fire on 5 September 2020, at which point officials recommended that campers wade into the reservoir for their own protection. Many were later evacuated by helicopter.[3]
See also
References
- ^ Department of Water Resources (2009). "Station Meta Data: Pine Flat Dam (PNF)". California Data Exchange Center. State of California. Retrieved 2009-08-28.
- ^ US Forest Service (22 February 2009). "Sierra National Forest - Recreation, Lakes & Reservoirs". U.S. Department of the Interior. Retrieved 2009-08-28.
- ^ Rund 1.000 Camper durch Brände in Kalifornien abgeschnitten orf.at, 5. September 2020, retrieved 5. September 2020. (German)
External links
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This page was last edited on 1 September 2023, at 09:16