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Lower Salmon Falls Dam

Lower Salmon Falls Dam is a concrete gravity-type hydroelectric dam on the Lower Salmon Falls of the Snake River, in the U.S. state of Idaho. The dam is located 5 miles downstream from Upper Salmon Falls, between Gooding County and Twin Falls County, Idaho.[2]

Lower Salmon Falls Dam
Location of Lower Salmon Falls Dam in Idaho
LocationTwin Falls County / Gooding counties, Idaho
Coordinates42°50′30″N 114°54′13″W / 42.841586°N 114.903696°W / 42.841586; -114.903696
Opening date1910
Operator(s)Idaho Power Company[1]
Dam and spillways
ImpoundsSnake River
Height38 feet (12 m)[1]
Length983 feet [1]
Reservoir
Total capacity10,900 acre-feet (13,400,000 m3)[1]
Surface area750 acres (1.03 km²)[1]
Power Station
Commission date1910, 1949
Turbines4
Installed capacity60 MW

History edit

The Salmon Falls includes a series of falls on the Snake River. The Lower Salmon Falls are approximately 5 miles downstream from Upper Salmon Falls, in between Gooding County and Twin Falls County, Idaho.[3][4] Half of the Lower Falls have been inundated by the Lower Salmon Falls Dam.[5][6][7]

The Lower Salmon Falls Dam was originally built in 1910 by the Greater Shoshone and Twin Falls Water Power Company. Idaho Power Company acquired the plant in 1916 and rebuilt it in 1949. It's located at river mile 573.0. Nearby cities are Twin Falls, Mountain Home, and Hailey, Idaho.

The newer dam is 983 feet long, including a 180-foot, 38-foot-high overflow dam and has a powerhouse containing four turbine generator units with a capacity of 60 MW. Its reservoir is 6.6 miles long, with a 750-acre surface area, with a storage capacity of 10,900 acre-feet. It includes a 6-foot-wide, 510-foot-long fish ladder.[1]

Along with the Upper Salmon Falls Dam and Bliss Dam is part of Idaho Power Company's Mid-Snake Projects.[8] The Mid-Snake Projects in total have a nameplate capacity of 169.5 MW.[8]

See also edit

References edit

  1. ^ a b c d e f Hydropower Reform Coalition & River Management Society (April 2013). "Hydropower Project Summary - Mid-Snake River, Idaho" (PDF). Retrieved 2015-01-05.
  2. ^ U.S. Geological Survey Geographic Names Information System: Lower Salmon Falls
  3. ^ U.S. Geological Survey Geographic Names Information System: Lower Salmon Falls
  4. ^ U.S. Geological Survey Geographic Names Information System: Salmon Falls
  5. ^ U.S. Geological Survey Geographic Names Information System: Lower Salmon Falls Dam
  6. ^ Waterfalls in Idaho from www.ultimateidaho.com accessed on September 26, 2013
  7. ^ Lower Salmon Falls from worldwaterfalldatabase.com accessed on September 26, 2013
  8. ^ a b Mid-Snake Projects 2011-10-01 at the Wayback Machine, Idaho Power

External links edit

  • Lower Salmon Falls Dam from idahoguideservice.com accessed September 22, 2015. View of overflow dam releasing water over the remnant of the Lower Salmon Falls.


lower, salmon, falls, concrete, gravity, type, hydroelectric, lower, salmon, falls, snake, river, state, idaho, located, miles, downstream, from, upper, salmon, falls, between, gooding, county, twin, falls, county, idaho, location, idaholocationtwin, falls, co. Lower Salmon Falls Dam is a concrete gravity type hydroelectric dam on the Lower Salmon Falls of the Snake River in the U S state of Idaho The dam is located 5 miles downstream from Upper Salmon Falls between Gooding County and Twin Falls County Idaho 2 Lower Salmon Falls DamLocation of Lower Salmon Falls Dam in IdahoLocationTwin Falls County Gooding counties IdahoCoordinates42 50 30 N 114 54 13 W 42 841586 N 114 903696 W 42 841586 114 903696Opening date1910Operator s Idaho Power Company 1 Dam and spillwaysImpoundsSnake RiverHeight38 feet 12 m 1 Length983 feet 1 ReservoirTotal capacity10 900 acre feet 13 400 000 m3 1 Surface area750 acres 1 03 km 1 Power StationCommission date1910 1949Turbines4Installed capacity60 MW Contents 1 History 2 See also 3 References 4 External linksHistory editThe Salmon Falls includes a series of falls on the Snake River The Lower Salmon Falls are approximately 5 miles downstream from Upper Salmon Falls in between Gooding County and Twin Falls County Idaho 3 4 Half of the Lower Falls have been inundated by the Lower Salmon Falls Dam 5 6 7 The Lower Salmon Falls Dam was originally built in 1910 by the Greater Shoshone and Twin Falls Water Power Company Idaho Power Company acquired the plant in 1916 and rebuilt it in 1949 It s located at river mile 573 0 Nearby cities are Twin Falls Mountain Home and Hailey Idaho The newer dam is 983 feet long including a 180 foot 38 foot high overflow dam and has a powerhouse containing four turbine generator units with a capacity of 60 MW Its reservoir is 6 6 miles long with a 750 acre surface area with a storage capacity of 10 900 acre feet It includes a 6 foot wide 510 foot long fish ladder 1 Along with the Upper Salmon Falls Dam and Bliss Dam is part of Idaho Power Company s Mid Snake Projects 8 The Mid Snake Projects in total have a nameplate capacity of 169 5 MW 8 See also edit nbsp Water portal nbsp Renewable energy portal List of dams in the Columbia River watershedReferences edit a b c d e f Hydropower Reform Coalition amp River Management Society April 2013 Hydropower Project Summary Mid Snake River Idaho PDF Retrieved 2015 01 05 U S Geological Survey Geographic Names Information System Lower Salmon Falls U S Geological Survey Geographic Names Information System Lower Salmon Falls U S Geological Survey Geographic Names Information System Salmon Falls U S Geological Survey Geographic Names Information System Lower Salmon Falls Dam Waterfalls in Idaho from www ultimateidaho com accessed on September 26 2013 Lower Salmon Falls from worldwaterfalldatabase com accessed on September 26 2013 a b Mid Snake Projects Archived 2011 10 01 at the Wayback Machine Idaho PowerExternal links editLower Salmon Falls Dam from idahoguideservice com accessed September 22 2015 View of overflow dam releasing water over the remnant of the Lower Salmon Falls nbsp This Gooding County Idaho state location article is a stub You can help Wikipedia by expanding it vte nbsp This Twin Falls County Idaho state location article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Lower Salmon Falls Dam amp oldid 1121568211, wikipedia, wiki, book, books, library,

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