List of locks and dams of the Upper Mississippi River

This is a list of current and former locks and dams of the Upper Mississippi River which ends at the Mississippi River's confluence with the Ohio River at Cairo, Illinois.

Lock and dam Upper Mississippi
Upper Mississippi locks and dams

Locks and dams

Name Location Miles above the Ohio Coordinates Pool elevation Notes

Minnesota

Lake Itasca Stepping Stones / Dam Itasca State Park Lake Itasca
1,475 feet
Stepping stones placed by CCC with creation of new channel / outlet for Mississippi
Vekin's Dam 8 miles north of Lake Itasca n/a
Ottertail Power Co. Dam 7 miles east of Bemidji 47°29′1.0032″N 94°43′45.9156″W Lake Bemidji
1,335 feet
Knutson Dam About 15 miles (24 km) east and north of city of Cass Lake 47°27′07″N 94°29′00″W Cass Lake
1,301 feet
Winnibigoshish Lake Dam About 15 miles (24 km) northwest of Deer River 47°25′44.5″N 94°03′6.8″W Lake Winnibigoshish
1,290 feet
Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Paul District
Pokegama Dam Mile 1187 47°15′2.9844″N 93°35′15.5184″W Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Paul District
Blandin Paper Co. Dam Mile 1183.6 47°13′54.5628″N 93°31′52.9500″W
Potlatch Dam Brainerd, Minnesota 46°22′40.8324″N 94°11′0.0816″W Rice Lake
1,174 Feet
Little Falls Dam Little Falls, Minnesota 45°58′32″N 94°22′06″W
Blanchard Dam Royalton, Minnesota 45°51′39″N 94°21′36″W
Sartell Dam Sartell, Minnesota 45°37′15″N 94°12′13″W
St. Cloud Dam St. Cloud, Minnesota 45°32′52″N 94°08′50″W
Coon Rapids Dam Brooklyn Park / Coon Rapids, Minnesota 45°08′36″N 93°18′43″W No locks, ends navigable portion of river
Upper Saint Anthony Falls Lock and Dam Minneapolis, Minnesota ~854 44°58′54″N 93°15′31″W 799 feet Last lock upstream on river. Since June 9, 2015, the lock has remained closed to prevent the spread of invasive Asian Carp.[1] Located within the Mississippi National River and Recreation Area.
Lower Saint Anthony Falls Lock and Dam Minneapolis, Minnesota ~853 44°58′42″N 93°14′49″W 750 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Paul District
Meeker Island Lock and Dam
(demolished)
Minneapolis, Minnesota / St. Paul, Minnesota ~850 44°57′14″N 93°12′28″W NA Demolished. Originally known as Lock and Dam No. 2
Lock and Dam No. 1 Minneapolis, Minnesota / St. Paul, Minnesota ~847.8 44°54′55″N 93°12′02″W 725 feet Ford Plant Powerhouse on east side. Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Paul District
Lock and Dam No. 2 Hastings, Minnesota ~815 44°45′35″N 92°52′07″W 687 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Paul District

MinnesotaWisconsin

Lock and Dam No. 3 Red Wing, Minnesota 796.9 44°36′36″N 92°36′37″W 675 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Paul District
Lock and Dam No. 4 Alma, Wisconsin ~753 44°19′32″N 91°55′13″W 667 feet The lock is on the Wisconsin side right next to a small cafe. Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Paul District
Lock and Dam No. 5 Winona County, Minnesota ~738.1 44°09′40″N 91°48′39″W 660 feet Visitor parking next to the lock. Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Paul District
Lock and Dam No. 5A Goodview, Minnesota ~728.5 44°05′18″N 91°40′08″W 651 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Paul District
Lock and Dam No. 6 Trempealeau, Wisconsin ~714.1 43°59′59″N 91°26′18″W 646 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Paul District
Lock and Dam No. 7 La Crescent, Minnesota ~702.5 43°52′01″N 91°18′26″W 639 feet Adjacent to I-90 Mississippi River Bridge. Visitor parking and information next to the lock. Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Paul District
Lock and Dam No. 8 Genoa, Wisconsin ~679.2 43°34′12″N 91°13′54″W 631 feet Visitor parking right next to the lock. Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Paul District

IowaWisconsin

Lock and Dam No. 9 Harpers Ferry, Iowa ~647.9 43°12′46″N 91°06′15″W 620 feet Parking area next to lock on Wisconsin side. Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Paul District
Lock and Dam No. 10 Guttenberg, Iowa ~615.0 42°47′06″N 91°05′42″W 611 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Paul District
Lock and Dam No. 11 Dubuque, Iowa ~583 42°32′25″N 90°38′39″W 603 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, Rock Island District

IowaIllinois

Lock and Dam No. 12 Bellevue, Iowa ~556.7 42°15′41″N 90°25′12″W 592 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, Rock Island District
Lock and Dam No. 13 Fulton, IL ~522.5 41°53′53″N 90°09′21″W 583 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, Rock Island District
Lock and Dam No. 14 LeClaire, Iowa ~493.2 41°34′24″N 90°23′56″W 572 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, Rock Island District
Lock and Dam No. 15 Rock Island, Illinois ~482.8 41°31′07″N 90°34′08″W 561 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, Rock Island District
Lock and Dam No. 16 Muscatine, Iowa ~457.2 41°25′32″N 91°0′35″W 545 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, Rock Island District
Lock and Dam No. 17 New Boston, Illinois ~437 41°11′27″N 91°03′37″W 536 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, Rock Island District
Lock and Dam No. 18 Gladstone, Illinois ~410.5 40°52′54″N 91°01′27″W 528 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, Rock Island District
Lock and Dam No. 19 Keokuk, Iowa ~364 40°23′41″N 91°22′29″W 518 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, Rock Island District

MissouriIllinois

Lock and Dam No. 20 Canton, Missouri ~343 40°08′37″N 91°30′46″W 480 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, Rock Island District
Lock and Dam No. 21 Quincy, Illinois ~324.9 39°54′23″N 91°25′56″W 470 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, Rock Island District
Lock and Dam No. 22 Saverton, Missouri ~301.2 39°38′18″N 91°14′49″W 460 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, Rock Island District
Lock and Dam No. 24 Clarksville, Missouri ~273.4 39°22′36″N 90°54′30″W 449 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Louis District
Lock and Dam No. 25 Winfield, Missouri ~241.4 39°00′17″N 90°41′11″W 434 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Louis District
Lock and Dam No. 26 (historical) Alton, Illinois ~202.5 38°53′10″N 90°10′55″W 419 feet Demolished, replaced by Melvin Price Locks and Dam.
Melvin Price Locks and Dam
aka Lock and Dam No. 26
East Alton, Illinois ~200.8 38°52′09″N 90°09′13″W Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Louis District
Chain of Rocks Dam
aka Dam No. 27
Glasgow Village, Missouri ~190.2 38°45′27″N 90°10′39″W 398 feet Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Louis District
Chain of Rocks Lock
aka Lock No. 27
Granite City, Illinois 38°42′11″N 90°10′51″W Owned/operated by U.S. Army Corps of Engineers, Mississippi Valley Division, St. Louis District

Expansion proposals for upper Mississippi locks

The Army Corps of Engineers has studied the expansion of some locks on the Upper Mississippi.[2] Since at least 1999, the Corps has considered expanding 600 ft locks 20, 21, 22, 24, and 25 to 1,200 ft.[2][3]

Gallery

References

  1. Sepic, Matt. "End of an era: Upper St. Anthony Falls lock closes". MPR News. Retrieved 24 June 2015.
  2. "Big Price - Little Benefit (The case against lock expansion on the Mississippi River)" (PDF). Nicollet Island Coalition. February 2010.
  3. "Lock System Expansion Proposal is Aired". Milwaukee Journal Sentinel. Associated Press. August 8, 1999.

See also

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