Ah Pah Dam facts for kids
Quick facts for kids Ah Pah Dam |
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Approximate extent of the planned reservoir
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| Country | United States |
| Location | Humboldt County, Northern California |
| Status | Unbuilt |
| Owner(s) | U.S. Bureau of Reclamation |
| Dam and spillways | |
| Type of dam | Concrete thick arch |
| Impounds | Klamath River |
| Height | 813 ft (248 m) |
| Length | 3,500 ft (1,100 m) |
| Reservoir | |
| Total capacity | 15,000,000 acre⋅ft (19 km3) |
| Catchment area | 14,700 sq mi (38,000 km2) |
| Power station | |
| Installed capacity | 900–1,700 MW |
Ah Pah Dam was a proposed dam on the Klamath River in the U.S. state of California proposed by the United States Bureau of Reclamation as part of its United Western Investigation study in 1951. It was to have been 813 feet (248 m) high and was to be located 12 miles (19 km) upstream of the river's mouth. It would stand almost as tall as the Transamerica Pyramid building in San Francisco, but would be much more massive. It would flood 40 miles (64 km) of the Trinity River, including the Yurok, Karuk and Hupa Indian Reservations, the lower Salmon River, and 70 miles (110 km) of the Klamath River, creating a reservoir with a volume of 15,000,000 acre-feet (19 km3) – two-thirds of the size of Lake Mead, and becoming the largest reservoir in California. The water would flow by gravity through a tunnel 60 miles (97 km) long to the Sacramento River just above Redding and onward to Southern California, in an extreme diversion plan known as the Klamath Diversion. The tunnel would have been located near the southernmost extent of the reservoir. It was named in the language of the Yurok people.
- Cadillac Desert, Marc Reisner, revised edition, Penguin US, (1993), ISBN: 0-14-017824-4
