Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Tousley Dam Brown	High Hazard	43 ft	1953	Earth	Indiana
Tower Hill Community Pond Dam (Tower Hill Road) St. Mary's	Significant Hazard	18 ft	1975	Earth	Maryland
Tower Hill Pond Dam Rockingham	High Hazard	35 ft	1938	Earth	New Hampshire
Town Bluff Dam Jasper	High Hazard	43 ft	1951	Earth	Texas
Town Creek Dam No 4 Kerr	Low Hazard	25 ft	1961	Earth	Texas
Town Creek Reservoir Dam Jones	High Hazard	95 ft	1993	Earth	Georgia
Town of Boone Water Supply Dam Watauga	High Hazard	—	1957	Earth	North Carolina
Town of Mt. Pleasant Water District #1 Dam Westchester	Significant Hazard	35 ft	1915	Earth	New York
Town of Mt. Pleasant Water District #2 Dam Westchester	Significant Hazard	10 ft	1915	Earth	New York
Town of Mt. Pleasant Water District #3 Dam Westchester	Significant Hazard	7 ft	1915	Earth	New York
Town of Pilot Mountain Dam Surry	High Hazard	—	—	Earth	North Carolina
Town of Sylva Water Supply Dam Jackson	High Hazard	—	1973	Earth	North Carolina
Town Pond Dam Chesterfield	High Hazard	20 ft	1940	—	South Carolina
Townsend Harbor Dam Middlesex	Significant Hazard	11 ft	1870	Rockfill	Massachusetts
Townsend Sewage Lagoon Broadwater	Low Hazard	9 ft	1962	Earth	Montana
Township Line (Airport Road) Chester	High Hazard	34 ft	1935	Earth	Pennsylvania
Towson Reservoir Storage Tanks Baltimore	High Hazard	40 ft	2013	Earth	Maryland
Trabuco Orange	High Hazard	108 ft	1984	Earth	California
Track Loop Pond Dam Hamilton	Low Hazard	28 ft	—	Earth	Illinois
Tradition Lake Dam Harrison	Low Hazard	17 ft	2008	Earth	Mississippi
Trail City Dam Corson	Low Hazard	24 ft	1935	Earth	South Dakota
Trail Lake Dam Grayson	High Hazard	38 ft	1973	Earth	Texas
Trampas Canyon Orange	High Hazard	229 ft	1975	Earth	California
Transvaal Company Lake Dam Pulaski	Significant Hazard	—	1946	Earth	Arkansas
Trap Falls Reservoir Dam Fairfield	High Hazard	48 ft	1905	Earth	Connecticut
Traska Fwi Dam Noble	Low Hazard	27 ft	—	Earth	Ohio
Traylor Lake Dam Webb	Low Hazard	24 ft	1969	Earth	Texas
Treatment Ponds Shasta	High Hazard	16 ft	1975	Earth	California
Tremont Pond Winn	Low Hazard	15 ft	1966	Earth	Louisiana
Trenton Reservoir Dam Mercer	High Hazard	52 ft	1899	Earth	New Jersey
Trenton Reservoir North Grundy	Low Hazard	12 ft	1965	Earth	Missouri
Trevino Lake Dam Webb	Low Hazard	10 ft	1977	Earth	Texas
Triangle T Lake No 1 Dam Clay	Low Hazard	13 ft	1957	Earth	Texas
Tribal Stanley	Low Hazard	24 ft	1957	Earth	South Dakota
Tribe No.10 Ziebach	Low Hazard	23 ft	1957	Earth	South Dakota
Tribe No.11 Ziebach	Low Hazard	28 ft	1960	Earth	South Dakota
Tribe No.2 Ziebach	Low Hazard	23 ft	1956	Earth	South Dakota
Tribe No.3 Ziebach	Low Hazard	20 ft	1952	Earth	South Dakota
Tribe No.4 Ziebach	Low Hazard	28 ft	1961	Earth	South Dakota
Tribe No.6 Ziebach	Low Hazard	21 ft	1947	Earth	South Dakota
Tribe No.7 Ziebach	Low Hazard	26 ft	1960	Earth	South Dakota
Tribe No.8 Ziebach	Low Hazard	23 ft	1959	Earth	South Dakota
Tribe No.9 Ziebach	Low Hazard	21 ft	1959	Earth	South Dakota
Trigg Lake Dam Bastrop	Low Hazard	18 ft	1900	Earth	Texas
Trinity Dam Westchester	High Hazard	50 ft	1966	Earth	New York
Triple S Lake No 1 Dam Frio	Low Hazard	16 ft	1964	Earth	Texas
Triple S Lake No 2 Dam Frio	Low Hazard	16 ft	1964	Earth	Texas
Tripp Hutchinson	Low Hazard	27 ft	1934	Earth	South Dakota
Tr Kuykendall Lake Dam McMullen	Low Hazard	14 ft	1968	Earth	Texas
Troublesome Creek Dam Rockingham	High Hazard	—	1974	Earth	North Carolina