Thomson Dam (Minnesota)
Thomson Dam, also known as the Thomson Hydro Station or Thomson Water Project, is an embankment and concrete gravity dam on the Saint Louis River near the town of Thomson in northeastern Minnesota, United States. It consists of a 1600-foot (488 m) long primary structure and multiple supplementary dams which, together with precambrian rock outcrops known as the Thomson formation, impound the river to create Thomson Reservoir. The tallest dam in the complex is 51.6 feet (16 m) and the longest is 3500 feet (1067 m). A series of gate houses, a canal, forebay, and underground penstocks supply a hydropower plant located 3 miles away in Jay Cooke State Park. With an installed capacity of 72 MW and an annual generation of approximately 280 GWh, the Thomson project is the largest hydroelectric facility in the state.
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Chestnut Avenue, Twin Lakes Township
Geographical coordinates (GPS) Address Nearby Places Show on map
Geographical coordinates (GPS)
| Latitude | Longitude |
|---|---|
| N 46.666416666667 ° | E -92.407166666667 ° |
Address
Chestnut Avenue
Chestnut Avenue
55718 Twin Lakes Township
Minnesota, United States
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