Pit 3 Dam
| Pit-3 Dam | |
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Satellite view
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 Location of Pit-3 Dam in California
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| Official name | Pit Number Three Dam |
| Country | United States |
| Location | Shasta County, California |
| Coordinates | 41°01′18″N 121°40′33″W / 41.02167°N 121.67583°WCoordinates: 41°01′18″N 121°40′33″W / 41.02167°N 121.67583°W |
| Owner(s) | Pacific Gas and Electric Company |
| Dam and spillways | |
| Impounds | Pit River |
| Height | 120 feet (37 m) |
| Length | 494 feet (151 m) |
| Width (crest) | 30 feet (9.1 m) |
| Width (base) | 110 feet (34 m) |
| Dam volume | 120,000 cubic yards (92,000 m3) |
| Reservoir | |
| Creates | Lake Britton |
| Total capacity | 34,600 acre feet (42,700,000 m3) |
| Catchment area | 4,700 square miles (12,000 km2) |
| Surface area | 1,265 acres (5.12 km2) |
| Power Station | |
| Type | Run-of-the-river |
| Hydraulic head | 133 feet (41 m) |
| Annual generation | 290.1 GWh |
Pit-3 Dam (also known as Pit Number Three Dam and Dam Number Three) is a dam across the Pit River in northern California in the United States. It forms Lake Britton, which stretches 8 miles (13 km) upstream. The dam is used mainly to divert water into a that runs about 6.5 miles (10.5 km) downstream to generate hydroelectricity. Construction was completed in 1925 and is owned by the Pacific Gas and Electric Company.
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