List of locks and dams of the Upper Mississippi River

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

The inland and intercoastal waterways, with the Upper Mississippi highlighted in red.
Upper Mississippi River Stairway of Water.

Locks and Dams[edit]

Name Location Miles above the Ohio Coordinates Pool Elevation Notes

Minnesota[edit]

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 / 47.483612000°N 94.729421000°W / 47.483612000; -94.729421000 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 / 47.45194°N 94.48333°W / 47.45194; -94.48333 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 / 47.429028°N 94.051889°W / 47.429028; -94.051889 Lake Winnibigoshish
1,290 feet
Pokegama Dam Mile 1187 47°15′2.9844″N 93°35′15.5184″W / 47.250829000°N 93.587644000°W / 47.250829000; -93.587644000
Blandin Paper Co. Dam Mile 1183.6 47°13′54.5628″N 93°31′52.9500″W / 47.231823000°N 93.531375000°W / 47.231823000; -93.531375000
Potlatch Dam Brainerd, Minnesota 46°22′40.8324″N 94°11′0.0816″W / 46.378009000°N 94.183356000°W / 46.378009000; -94.183356000 Rice Lake
1,174 Feet
Little Falls Dam Little Falls, Minnesota 45°58′32″N 94°22′06″W / 45.97556°N 94.36833°W / 45.97556; -94.36833
Blanchard Dam Royalton, Minnesota 45°51′39″N 94°21′36″W / 45.86083°N 94.36000°W / 45.86083; -94.36000
Sartell Dam Sartell, Minnesota 45°37′15″N 94°12′13″W / 45.62083°N 94.20361°W / 45.62083; -94.20361
St. Cloud Dam St. Cloud, Minnesota 45°32′52″N 94°08′50″W / 45.54778°N 94.14722°W / 45.54778; -94.14722
Coon Rapids Dam Brooklyn Park / Coon Rapids, Minnesota 45°08′36″N 93°18′43″W / 45.14333°N 93.31194°W / 45.14333; -93.31194 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 / 44.98167°N 93.25861°W / 44.98167; -93.25861 799 feet Last locks upstream on river
Lower Saint Anthony Falls Lock and Dam Minneapolis, Minnesota ~853 44°58′42″N 93°14′49″W / 44.97833°N 93.24694°W / 44.97833; -93.24694 750 feet
Meeker Island Lock and Dam
(demolished)
Minneapolis, Minnesota / St. Paul, Minnesota ~850 44°57′14″N 93°12′28″W / 44.95389°N 93.20778°W / 44.95389; -93.20778 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 / 44.91528°N 93.20056°W / 44.91528; -93.20056 725 feet Ford Plant Powerhouse on East side
Lock and Dam No. 2 Hastings, Minnesota ~815 44°45′35″N 92°52′07″W / 44.75972°N 92.86861°W / 44.75972; -92.86861 687 feet

Minnesota - Wisconsin[edit]

Lock and Dam No. 3 Red Wing, Minnesota 796.9 44°36′36″N 92°36′37″W / 44.61000°N 92.61028°W / 44.61000; -92.61028 675 feet
Lock and Dam No. 4 Alma, Wisconsin ~753 44°19′32″N 91°55′13″W / 44.32556°N 91.92028°W / 44.32556; -91.92028 667 feet The lock is on the Wisconsin side right next to a small cafe.
Lock and Dam No. 5 Winona County, Minnesota ~738.1 44°09′40″N 91°48′39″W / 44.16111°N 91.81083°W / 44.16111; -91.81083 660 feet Visitor parking next to the lock.
Lock and Dam No. 5A Goodview, Minnesota ~728.5 44°05′18″N 91°40′08″W / 44.08833°N 91.66889°W / 44.08833; -91.66889 651 feet
Lock and Dam No. 6 Trempealeau, Wisconsin ~714.1 43°59′59″N 91°26′18″W / 43.99972°N 91.43833°W / 43.99972; -91.43833 646 feet
Lock and Dam No. 7 La Crescent, Minnesota ~702.5 43°52′01″N 91°18′26″W / 43.86694°N 91.30722°W / 43.86694; -91.30722 639 feet
Lock and Dam No. 8 Genoa, Wisconsin ~679.2 43°34′12″N 91°13′54″W / 43.57000°N 91.23167°W / 43.57000; -91.23167 631 feet Visitor parking right next to the lock.

Iowa - Wisconsin[edit]

Lock and Dam No. 9 Harpers Ferry, Iowa ~647.9 43°12′46″N 91°06′15″W / 43.21278°N 91.10417°W / 43.21278; -91.10417 620 feet Parking area next to lock on Wisconsin side.
Lock and Dam No. 10 Guttenberg, Iowa ~615.0 42°47′06″N 91°05′42″W / 42.78500°N 91.09500°W / 42.78500; -91.09500 611 feet
Lock and Dam No. 11 Dubuque, Iowa ~583 42°32′25″N 90°38′39″W / 42.54028°N 90.64417°W / 42.54028; -90.64417 603 feet

Iowa - Illinois[edit]

Lock and Dam No. 12 Bellevue, Iowa ~556.7 42°15′41″N 90°25′12″W / 42.26139°N 90.42000°W / 42.26139; -90.42000 592 feet
Lock and Dam No. 13 Clinton, Iowa ~522.5 41°53′53″N 90°09′21″W / 41.89806°N 90.15583°W / 41.89806; -90.15583 583 feet
Lock and Dam No. 14 LeClaire, Iowa ~493.2 41°34′24″N 90°23′56″W / 41.57333°N 90.39889°W / 41.57333; -90.39889 572 feet
Lock and Dam No. 15 Rock Island, Illinois ~482.8 41°31′07″N 90°34′08″W / 41.51861°N 90.56889°W / 41.51861; -90.56889 561 feet
Lock and Dam No. 16 Muscatine, Iowa ~457.2 41°25′32″N 91°0′35″W / 41.42556°N 91.00972°W / 41.42556; -91.00972 545 feet
Lock and Dam No. 17 New Boston, Illinois ~437 41°11′27″N 91°03′37″W / 41.19083°N 91.06028°W / 41.19083; -91.06028 536 feet
Lock and Dam No. 18 Gladstone, Illinois ~410.5 40°52′54″N 91°01′27″W / 40.88167°N 91.02417°W / 40.88167; -91.02417 528 feet
Lock and Dam No. 19 Keokuk, Iowa ~364 40°23′41″N 91°22′29″W / 40.39472°N 91.37472°W / 40.39472; -91.37472 518 feet

Missouri - Illinois[edit]

Lock and Dam No. 20 Canton, Missouri ~343 40°08′37″N 91°30′46″W / 40.14361°N 91.51278°W / 40.14361; -91.51278 480 feet
Lock and Dam No. 21 Quincy, Illinois ~324.9 39°54′23″N 91°25′56″W / 39.90639°N 91.43222°W / 39.90639; -91.43222 470 feet
Lock and Dam No. 22 Saverton, Missouri ~301.2 39°38′18″N 91°14′49″W / 39.63833°N 91.24694°W / 39.63833; -91.24694 460 feet
Lock and Dam No. 24 Clarksville, Missouri ~273.4 39°22′36″N 90°54′30″W / 39.37667°N 90.90833°W / 39.37667; -90.90833 449 feet
Lock and Dam No. 25 Winfield, Missouri ~241.4 39°00′17″N 90°41′11″W / 39.00472°N 90.68639°W / 39.00472; -90.68639 434 feet
Lock and Dam No. 26 (historical) Alton, Illinois ~202.5 38°53′10″N 90°10′55″W / 38.88611°N 90.18194°W / 38.88611; -90.18194 419 feet Demolished
Melvin Price Locks and Dam
aka Lock and Dam No. 26
East Alton, Illinois ~200.8 38°52′09″N 90°09′13″W / 38.86917°N 90.15361°W / 38.86917; -90.15361
Chain of Rocks Dam
aka Dam No. 27
Glasgow Village, Missouri ~190.2 38°45′27″N 90°10′39″W / 38.75750°N 90.17750°W / 38.75750; -90.17750 398 feet
Chain of Rocks Lock
aka Lock No. 27
Granite City, Illinois 38°42′11″N 90°10′51″W / 38.70306°N 90.18083°W / 38.70306; -90.18083

See also[edit]

External links[edit]