Detroit Dam
| Detroit Dam | |
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Detroit Dam on the North Santiam River
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 Location of Detroit Dam in Oregon
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| Country | United States |
| Location | Detroit, Linn County/Marion County, Oregon |
| Coordinates | 44°43′15.44″N 122°14′59.27″W / 44.7209556°N 122.2497972°WCoordinates: 44°43′15.44″N 122°14′59.27″W / 44.7209556°N 122.2497972°W |
| Purpose | Flood control, power, irrigation |
| Status | Operational |
| Construction began | 1949 |
| Opening date | 1953 |
| Owner(s) | U.S. Army Corp of Engineers |
| Dam and spillways | |
| Type of dam | Concrete gravity |
| Impounds | North Santiam River |
| Height | 463 ft (141 m) |
| Length | 1,523.5 ft (464.4 m) |
| Elevation at crest | 1,580 ft (480 m) |
| Reservoir | |
| Creates | Detroit Lake |
| Total capacity | 455,000 acre·ft (561,000,000 m3) |
| Active capacity | 321,000 acre feet (396,000,000 m3) |
| Catchment area | 437 sq mi (1,130 km2) |
| Surface area | 3,500 acres (14 km2) |
| Maximum length | 9 mi (14 km) |
| Normal elevation | 1,569 ft (478 m) (full) |
| Power station | |
| Commission date | 1953 |
| Type | Conventional |
| Turbines | 2 x 100 MW Francis-type |
| Installed capacity | 100 MW |
Detroit Dam is a gravity dam on the North Santiam River between Linn County and Marion County, Oregon. It is located in the Cascades, about 5 mi (8.0 km) west of the city of Detroit. It was constructed between 1949 and 1953 by the United States Army Corps of Engineers. The dam created 400-foot (120 m) deep Detroit Lake, more than 9 miles (14 km) long with 32 miles (51 km) of shoreline.
The dam, dedicated on June 10, 1953, was authorized for the purposes of flood control, power generation, navigation, and irrigation. Other uses are fishery, water quality, and recreation. It was built in concert with the Big Cliff Dam downstream.
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