Navigation Dams

388 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
John H. Overton Lock and Dam Rapides	Significant Hazard	—	1987	Gravity	Louisiana
John Rankin Lock and Dam - Right Canal Embankment Itawamba	Significant Hazard	—	1984	Gravity	Mississippi
John T. Myers Locks and Dam Union	Significant Hazard	—	1975	Concrete	Kentucky
Jonesville Lock and Dam Catahoula	Significant Hazard	—	1972	Gravity	Louisiana
Justesen Reservoir #1 Sherman	Low Hazard	21 ft	1985	—	Oregon
Kahn Cattle Company Lake Dam Bartow	Low Hazard	24 ft	2000	Earth	Georgia
Kaukauna Outagamie	High Hazard	9 ft	1940	Gravity	Wisconsin
Kaukauna Locks and Dam Outagamie	Significant Hazard	—	1931	Concrete	Wisconsin
Kemper County Igcc Reservoir Kemper	Significant Hazard	44 ft	2012	Earth	Mississippi
Kentucky Dam Livingston	High Hazard	206 ft	1944	Concrete	Kentucky
Kentucky River Lock and Dam 1 Carroll	Low Hazard	—	1839	Timber Crib	Kentucky
Kentucky River Lock and Dam 2 Henry	Low Hazard	—	1839	Timber Crib	Kentucky
Kentucky River Lock and Dam 3 Owen	Significant Hazard	—	1844	Timber Crib	Kentucky
Kentucky River Lock and Dam 4 Franklin	Significant Hazard	—	1844	Timber Crib	Kentucky
Kentucky River Lock & Dam 13 Lee	Low Hazard	43 ft	1915	Concrete	Kentucky
Kentucky River Lock & Dam 6 Mercer	Low Hazard	34 ft	1891	Timber Crib	Kentucky
Kentucky River Lock & Dam 8 Jessamine	Significant Hazard	31 ft	1900	Timber Crib	Kentucky
Kentucky River Lock & Dam 9 Jessamine	High Hazard	36 ft	1907	Concrete	Kentucky
Kimball Street Dam Kane	Significant Hazard	13 ft	1884	Rockfill	Illinois
Kirkpatrick Dam and Rodman Reservoir Putnam	High Hazard	43 ft	1968	Earth	Florida
LaGrange Lock and Dam Brown	Significant Hazard	—	1939	Concrete	Illinois
Lake Drummond Dam Chesapeake	Unknown	33 ft	—	Gravity	Virginia
Lake Flower Franklin	High Hazard	19 ft	1937	Gravity	New York
Lake Kegonsa Dane	Low Hazard	10 ft	1938	Gravity	Wisconsin
Lake Moraine Dam Madison	High Hazard	56 ft	1836	Earth	New York
Lake Waubesa Dane	Low Hazard	10 ft	1938	Gravity	Wisconsin
Leech Dam Cass	Significant Hazard	13 ft	1885	Concrete	Minnesota
Lewis Smith Walker	High Hazard	300 ft	1961	Rockfill	Alabama
Lindy Claiborne Boggs Lock and Dam Catahoula	Significant Hazard	—	1985	Gravity	Louisiana
Little Chute Locks and Dam Outagamie	Significant Hazard	—	1932	Concrete	Wisconsin
Little Falls State Dam - North Herkimer	Significant Hazard	6 ft	1894	Gravity	New York
Little Goose Lock and Dam Columbia	High Hazard	—	1970	Concrete	Washington
Little Kaukauna Lock and Dam Brown	Significant Hazard	—	1926	Concrete	Wisconsin
Little River Closure Dam Catahoula	Low Hazard	—	1972	Earth	Louisiana
Lock 24 Dam Erie Canal Onondaga	High Hazard	21 ft	1908	Masonry	New York
Lock 29 Dam Barge Canal Wayne	Low Hazard	23 ft	1912	Concrete	New York
Lock 32 Dam Erie Canal Monroe	High Hazard	40 ft	1908	Concrete	New York
Lock 33 Dam Erie Canal Monroe	High Hazard	40 ft	1908	Concrete	New York
Lock and Dam No 6 Union	Low Hazard	—	1913	Gravity	Arkansas
Lock and Dam No 8 Union	Low Hazard	25 ft	1911	Gravity	Arkansas
Lock C-11 Dam Washington	Significant Hazard	15 ft	1910	Concrete	New York
Lock C-12 Washington	Significant Hazard	21 ft	1911	Other	New York
Lock C-1 Dam At Waterford Saratoga	Low Hazard	24 ft	1912	—	New York
Lock C-9 Dam Washington	Low Hazard	17 ft	1907	—	New York
Lock E10 Cranesville Montgomery	Low Hazard	15 ft	1910	Other	New York
Lock E11 Amsterdam Montgomery	Low Hazard	12 ft	1910	Other	New York
Lock E12 Tribes Hill Montgomery	Low Hazard	11 ft	1910	Other	New York
Lock E13 Randall Montgomery	Low Hazard	8 ft	1910	Other	New York
Lock E14 Canajoharie Montgomery	Low Hazard	8 ft	1910	Other	New York
Lock E-16 Dam At Rocky Rift Herkimer	Significant Hazard	6 ft	1926	Other	New York