Lock and Dam No. 2

Lock and Dam No. 2
Lock and Dam No. 2
	Mississippi River Lock and Dam No. 2
	Location of Lock and Dam No. 2 in Minnesota
Location	Dakota County / Washington County, Minnesota, United States. Near Hastings
Coordinates	44°45′35″N 92°52′07″W / 44.75972°N 92.86861°WCoordinates: 44°45′35″N 92°52′07″W / 44.75972°N 92.86861°W
Opening date	1930; 91 years ago
Operator(s)	U.S. Army Corps of Engineers, St. Paul District
Dam and spillways
Impounds	Upper Mississippi River
Length	722 feet (220.1 m) (movable portion)
Reservoir
Creates	Pool 2
Total capacity	787,000 acre⋅ft (0.971 km3)
Catchment area	36,990 sq mi (95,800 km2)

Lock and Dam No. 2 is located along the Upper Mississippi River near Hastings, Minnesota and construction commenced in 1927. The eastern dam portion is 722 feet (220 m) wide and has 19 tainter gates. A hydroelectric station that produces about 4.4 megawatts is owned by the city of Hastings, while the 110 by 600 feet (34 m × 183 m) lock is operated by the St. Paul district of the U.S. Army Corps of Engineers' Mississippi Valley Division. There's also a wide earthen dam on the western side of the facility.

Following construction, the original lock walls settled and began to lean out of alignment, so a replacement lock was built. It was finished in 1948. A rehabilitation phase ran from 1987 to 1995. In 2009, Lock and Dam No. 2 became home to the nation's first commercial, federally licensed hydrokinetic power facility, which is a partnership between the City of Hastings and Hydro Green Energy, LLC of Westmont, IL.

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List of locks and dams of the Upper Mississippi River
USAF LSAF 1 2 3 4 5 5A 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 24 25 26 27
Upstream: Lock and Dam No. 1		Downstream: Lock and Dam No. 3

show v t Mississippi National River and Recreation Area
National	Coldwater Spring Lock and Dam No. 1 Lock and Dam No. 2 Minnesota Valley National Wildlife Refuge St. Anthony Falls St. Croix National Scenic Riverway
State	Fort Snelling State Park (Historic Fort & Pike Island) Mill City Museum Minnesota Valley State Recreation Area (Trail) Sibley Historic Site
Local	Banfill Tavern Bohemian Flats Bruce Vento Nature Sanctuary Crosby Farm Fort Snelling unorganized territory Gold Medal Park Grand Rounds Harriet Island Hidden Falls Indian Mounds Park John H. Stevens House Longfellow House Meeker Island Lock and Dam Mill Ruins Park Minnehaha Park (Lower Glen Trail) Minnehaha Trail Mississippi Gorge Regional Park North Mississippi Regional Park Raspberry Island Boathouse Stone Arch Bridge Vermillion River Watergate Marina Winchell Trail Windego Park
Other	Kaposia Mississippi River Trail River Warren Falls Science Museum of Minnesota

Lock and Dam No. 2

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