Navigation Dams

388 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
St. Stephen Powerhouse Dam Berkeley	High Hazard	128 ft	1985	Concrete	South Carolina
Tellico Dam Loudon	High Hazard	95 ft	1979	Concrete	Tennessee
Thad Cochran Lock and Dam Monroe	Significant Hazard	—	1982	Gravity	Mississippi
The Dalles Lock and Dam Klickitat	High Hazard	116 ft	1957	Gravity	Oregon
Thomas J. O'Brien Lock and Controlling Works Cook	High Hazard	—	1960	Concrete	Illinois
Thompson Island Dam Saratoga	Low Hazard	15 ft	1910	Concrete	New York
Thompson Lake Oxford	Low Hazard	13 ft	1800	Stone	Maine
Toad Suck Ferry Lock and Dam Faulkner	Significant Hazard	37 ft	1969	Concrete	Arkansas
Toledo Bend Sabine	High Hazard	112 ft	1966	Earth	Louisiana
Tom Bevill Lock and Dam Pickens	Significant Hazard	—	1979	Gravity	Alabama
Trophy Lake Dam Henderson	High Hazard	27 ft	—	Earth	Texas
Troy Lock and Dam 1 Albany	Significant Hazard	20 ft	1915	Concrete	New York
Tuttle Creek Dam Pottawatomie	High Hazard	—	1962	Rockfill	Kansas
Tygart Dam Taylor	High Hazard	—	1938	Gravity	West Virginia
Upper Appleton Locks and Dam Outagamie	Significant Hazard	—	1940	Concrete	Wisconsin
Upper Fulton Lock & Dam 2 Oswego	Significant Hazard	13 ft	1927	Concrete	New York
Upper Mechanicville Saratoga	Significant Hazard	19 ft	1882	Masonry	New York
Utica Harbor Dam Oneida	Low Hazard	24 ft	1912	Concrete	New York
Varick Lock & Dam 7 Oswego	Significant Hazard	14 ft	1926	Masonry	New York
Vischer Ferry Saratoga	High Hazard	30 ft	1913	Concrete	New York
Walter F. George Lock and Dam Clay	High Hazard	106 ft	1962	Concrete	Alabama
Wappingers Falls Dutchess	High Hazard	20 ft	1872	Masonry	New York
Waterloo Seneca	High Hazard	17 ft	1915	Concrete	New York
Watsons Waste Weir Dam Niagara	Low Hazard	16 ft	1918	Concrete	New York
Watts Bar Dam Meigs	High Hazard	118 ft	1942	Concrete	Tennessee
W.D. Mayo Lock and Dam Sequoyah	Significant Hazard	71 ft	1970	Gravity	Oklahoma
Webbers Falls Lock and Dam Muskogee	Significant Hazard	84 ft	1970	Gravity	Oklahoma
Wheeler Dam Lauderdale	High Hazard	175 ft	1936	Concrete	Alabama
Wilbur D. Mills Lock and Dam Arkansas	Significant Hazard	31 ft	1967	Concrete	Arkansas
Willamette Falls Locks Clackamas	High Hazard	—	1873	Concrete	Oregon
William O. Huske Lock and Dam Bladen	Low Hazard	—	1935	Concrete	North Carolina
Willow Island Locks and Dam Pleasants	Significant Hazard	—	1976	Concrete	West Virginia
Wilson Dam Lauderdale	High Hazard	113 ft	1924	Concrete	Alabama
Wilson Road Dike St. Lawrence	Low Hazard	15 ft	1958	Earth	New York
Winfield Locks and Dam Putnam	Significant Hazard	—	1937	Concrete	West Virginia
Winnibigoshish Dam Cass	Significant Hazard	23 ft	1884	Earth	Minnesota
Woodhull Lake Dam Herkimer	Low Hazard	25 ft	1853	Earth	New York
W.P. Franklin Lock and Dam Lee	Low Hazard	—	1965	—	Florida