Significant Hazard Dams

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Dam Name	Hazard	Height	Built	Type	State
Carson City Golf Course Detention Basin Dam Carson City	Significant Hazard	33 ft	—	Earth	Nevada
Carter Lake Lincoln	Significant Hazard	—	1907	Earth	Tennessee
Carter Pond Dam Worcester	Significant Hazard	10 ft	1924	Earth	Massachusetts
Carter Pond, Lower (Fergus) Fergus	Significant Hazard	21 ft	1938	Earth	Montana
Carter Pond, Upper (Fergus) Fergus	Significant Hazard	21 ft	1951	Earth	Montana
Carter Ranch Dam Smith	Significant Hazard	22 ft	2004	—	Texas
Carter Reservoir Morgan	Significant Hazard	—	1880	Earth	Utah
Carter'S Pond Dam Hanover	Significant Hazard	21 ft	—	Earth	Virginia
Carthage Lake 1 Dam Hancock	Significant Hazard	38 ft	1924	Earth	Illinois
Carty Reservoir Morrow	Significant Hazard	80 ft	1976	Earth	Oregon
Carver's Pond Dam Plymouth	Significant Hazard	7 ft	—	Earth	Massachusetts
Cascade Lake Dam Orange	Significant Hazard	16 ft	1946	Concrete	New York
Cascade Wastewater Lagoon Dam Coos	Significant Hazard	13 ft	1975	Earth	New Hampshire
Case Brothers Lower Pond Dam Hartford	Significant Hazard	27 ft	1870	Earth	Connecticut
Case Brothers Upper Pond Dam Hartford	Significant Hazard	16 ft	1870	Earth	Connecticut
Casper Parks No.2 Natrona	Significant Hazard	24 ft	1988	Earth	Wyoming
Casper Sage Creek Natrona	Significant Hazard	40 ft	1952	Earth	Wyoming
Caspian Lake Orleans	Significant Hazard	7 ft	1929	Earth	Vermont
Cass County Road Dam 36cb-12-11 Cass	Significant Hazard	32 ft	1994	Earth	Nebraska
Cass Draw Site 2 Dam Eddy	Significant Hazard	9 ft	1969	Earth	New Mexico
Cassville Dam Ocean	Significant Hazard	6 ft	—	Earth	New Jersey
Castle Lake Summit	Significant Hazard	—	—	Earth	Utah
Castleton State College Rutland	Significant Hazard	10 ft	1967	Concrete	Vermont
Castle Valley Sp Svc Dst -Emery Town Lwr Emery	Significant Hazard	—	1983	Earth	Utah
Castle Valley Sp Svc Dst -Emery Town Upr Emery	Significant Hazard	—	1983	Earth	Utah
Casto Mesa	Significant Hazard	26 ft	1940	Earth	Colorado
Caswell Lakes Road Embankment Matanuska-Susitna Borough	Significant Hazard	14 ft	—	Earth	Alaska
Catawba Springs Golf Dam Upper Catawba	Significant Hazard	—	—	Earth	North Carolina
Catfish Dam Gillespie	Significant Hazard	22 ft	—	Earth	Texas
Catfish Ii Dam Coshocton	Significant Hazard	25 ft	1967	Earth	Ohio
Catfish Lake St. Clair	Significant Hazard	—	1962	Earth	Alabama
Catherine Lake Cumberland	Significant Hazard	—	1952	Earth	Tennessee
Cat'S Corner Dam Windham	Significant Hazard	14 ft	1980	Earth	Connecticut
Cattail Lake Dam Johnston	Significant Hazard	—	1937	Earth	North Carolina
Cattinari Lake Dam Crawford	Significant Hazard	31 ft	—	Earth	Missouri
Caudle Talladega	Significant Hazard	—	1949	Earth	Alabama
Cauthen No 1 Montgomery	Significant Hazard	—	1954	Earth	Alabama
Cavanaughs Pond Dam	Significant Hazard	14 ft	—	Earth	Connecticut
Caylor Ranch Dam Fall River	Significant Hazard	12 ft	1945	Earth	South Dakota
Cazenovia Richland	Significant Hazard	30 ft	1864	Gravity	Wisconsin
Cbp Resources Dam Gaston	Significant Hazard	—	—	Earth	North Carolina
C C Gilbert Chilton	Significant Hazard	18 ft	1968	Earth	Alabama
C D Long Lake Dam Montgomery	Significant Hazard	—	1950	Earth	Alabama
C E Boyd Sumter	Significant Hazard	—	1971	Earth	Alabama
Cecil Sand and Gravel Pond 6 Cecil	Significant Hazard	49 ft	2006	Earth	Maryland
Cecil Sand and Gravel Pond 7 Cecil	Significant Hazard	24 ft	2017	Earth	Maryland
Cecils Pond Dam Laurens	Significant Hazard	33 ft	1955	—	South Carolina
Cedarburg Woolen Mill Ozaukee	Significant Hazard	18 ft	1864	Gravity	Wisconsin
Cedar City - Greens Lake No. 2 Iron	Significant Hazard	—	1958	Earth	Utah
Cedar City - Greens Lake No. 3 Iron	Significant Hazard	—	1958	Earth	Utah