Detroit Dam

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Detroit Dam on the North Santiam River

Detroit Dam was completed in 1953 by the U.S. Army Corp of Engineers on the North Santiam River in the Cascades. The dam created 400 foot (122 m) deep Detroit Lake, more than 9 miles (14 km) long with 32 miles (51 km) of shoreline.

Detroit Dam is located at 44°43′15″N, 122°14′59″W in Marion County, Oregon.

The dam was authorized for the purposes of flood control, power generation, navigation, and irrigation. Other uses are fishery, water quality, and recreation.

Fishing is allowed from the dam.

Drainage area: 437 mi² (1,132 km²)
Maximum inflow: 63,200 ft³/s (1,790 m³/s) 1909
Lake Elevation
- Maximum pool: 1,574 ft (480 m)
- Full pool: 1,569 ft (478 m)
- Minimum flood control pool: 1,450 ft (442 m)

Usable Storage (1,425.0 to 1,563.5 ft) = 321,000 acre feet (0.396 km³)
Powerhouse
- Number of units: 2
- Nameplate capacity: 100 MW
- Overload capacity: 115 MW
- Hydraulic capacity: 5,340 ft³/s (151 m³/s)