Lower Baker Dam
|Lower Baker Dam|
Lower Baker Dam from downstream
|Location||Skagit County, Washington|
|Owner(s)||Puget Sound Energy|
|Dam and spillways|
|Type of dam||Concrete thick-arch|
|Height||285 feet (87 m)|
|Length||550 feet (170 m)|
|Spillway type||Uncontrolled overflow|
|Total capacity||161,470 acre feet (199,170,000 m3)|
|Catchment area||250 square miles (650 km2)|
|Surface area||2,190 acres (890 ha)|
|Hydraulic head||280 feet (85 m)|
|Installed capacity||79 MW|
|Annual generation||344,850,000 KWh|
Lower Baker Dam (or simply Baker Dam) is a dam across the Baker River one mile north of Concrete, Washington. It forms a reservoir called Lake Shannon which stretches 7.5 miles (12.1 km) upstream. The dam is operated by Puget Sound Energy as part of the Baker River Hydroelectric Project.
The dam has a thick arch design, and is 285 feet (87 m) high and 550 feet (170 m) long. It spans the Baker River in a narrow reach known as Eden Canyon, just above the river's confluence with the Skagit River. It is able to hold 161,470 acre feet (199,170,000 m3) of water, of which 29,426 acre feet (36,296,000 m3) is reserved for flood control. At full capacity the dam's hydroelectric plant can generate 79 megawatts of power. The other dam on this river, Upper Baker Dam, lies about 8 miles (13 km) upstream, and serves a similar purpose to Lower Baker.
- "Baker Dam". Geographic Names Information System. United States Geological Survey. 1979-09-10. Retrieved 2011-01-17.
- "3.3 Water Quantity". Baker River Project, FERC No. 2150. Puget Sound Energy. March 2002. Retrieved 2011-01-17.
- "Fact Sheet"."Baker River Hydroelectric Project Fact Sheet".
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