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
Cardinal Plant Ash Pond Dam Jefferson	Significant Hazard	20 ft	1974	Earth	Ohio
Carding Mill Pond Dam Middlesex	Significant Hazard	17 ft	1930	Masonry	Massachusetts
Carey Windsor	Significant Hazard	26 ft	1968	Earth	Vermont
Cargill Falls Windham	Significant Hazard	24 ft	1925	Concrete	Connecticut
Caribou Lake Lassen	Significant Hazard	16 ft	1928	Earth	California
Carl Dreyer Lake Dam Montgomery	Significant Hazard	26 ft	1969	Earth	Missouri
Carleton Pond Kennebec	Significant Hazard	13 ft	1904	Earth	Maine
Carlinville Lake Ii Dam Macoupin	Significant Hazard	50 ft	1981	Earth	Illinois
Carlson Farms Lake Dam Guilford	Significant Hazard	—	1962	Earth	North Carolina
Carlton Lake #1 Missoula	Significant Hazard	22 ft	1899	Earth	Montana
Carlton Lake Dam Fayette	Significant Hazard	32 ft	2002	Earth	Indiana
Carl Wittichen St. Clair	Significant Hazard	17 ft	1984	Earth	Alabama
Carmack Lake	Significant Hazard	26 ft	2011	—	Oklahoma
Carman Lake Dam Washington	Significant Hazard	19 ft	—	Earth	Ohio
Carmel Dam De Soto	Significant Hazard	22 ft	1998	Earth	Louisiana
Carmel Lake No. 3 De Soto	Significant Hazard	25 ft	2011	Earth	Louisiana
Carmel Pond Dam New Haven	Significant Hazard	12 ft	1956	Earth	Connecticut
Carmichael Lake Dam Hale	Significant Hazard	—	1950	Earth	Alabama
Carmody Jefferson	Significant Hazard	8 ft	1974	Earth	Colorado
Carnegie Lake Dam Mercer	Significant Hazard	28 ft	1900	Concrete	New Jersey
C. A. Robinson Dam Wilkes	Significant Hazard	—	1988	Earth	North Carolina
Caroga Lake Dam Fulton	Significant Hazard	4 ft	1910	Timber Crib	New York
Carolina Foods Lagoon Dam Bladen	Significant Hazard	—	1992	Earth	North Carolina
Carolina Lake Dam Moore	Significant Hazard	—	1985	Earth	North Carolina
Carol-Jane Lake Dam Medina	Significant Hazard	26 ft	1940	Earth	Ohio
Carol Joy Holling Dam Cass	Significant Hazard	29 ft	1981	Earth	Nebraska
Carolyn Sumter	Significant Hazard	—	1956	Earth	Alabama
Carousel Concourse Detention Pond Tulsa	Significant Hazard	10 ft	1987	Earth	Oklahoma
Carpenter Dam (Indian Lake Dam) Schoolcraft	Significant Hazard	10 ft	1878	Concrete	Michigan
Carpenter Park Dam Wake	Significant Hazard	—	—	Other	North Carolina
Carpenter Pond Dam Norfolk	Significant Hazard	15 ft	1888	Earth	Massachusetts
Carpenter Pond Dam Westchester	Significant Hazard	16 ft	1925	Masonry	New York
Carpenter Pond Dam Worcester	Significant Hazard	8 ft	—	Masonry	Massachusetts
Carpenter Reservoir Dam Worcester	Significant Hazard	32 ft	1888	Concrete	Massachusetts
Carpi Lake Dam Passaic	Significant Hazard	12 ft	1938	Earth	New Jersey
Carp Road Dam Fairfield	Significant Hazard	12 ft	—	Earth	Connecticut
Carrboro Park Dam Orange	Significant Hazard	—	1981	Earth	North Carolina
Carriage Hill Reserve Lake Dam Montgomery	Significant Hazard	24 ft	1982	Earth	Ohio
Carriage Hills #1 (Upper) Larimer	Significant Hazard	10 ft	1967	Earth	Colorado
Carrington Lake Dam Van Zandt	Significant Hazard	23 ft	1925	Earth	Texas
Carrington Pond Dam New Haven	Significant Hazard	8 ft	1920	Concrete	Connecticut
Carringtons Pond Dam Fairfield	Significant Hazard	13 ft	—	Concrete	Connecticut
Carroll Carroll	Significant Hazard	—	1949	Earth	Tennessee
Carroll County Farm Museum Dam Carroll	Significant Hazard	20 ft	1964	Earth	Maryland
Carroll Shelby Dam Camp	Significant Hazard	36 ft	1985	Earth	Texas
Carroll'S of Warsaw Dam Sampson	Significant Hazard	—	1979	Earth	North Carolina
Carroll'S of Warsaw Dam #2 Sampson	Significant Hazard	—	1979	Earth	North Carolina
Carrollwood Lake "B" Shelby	Significant Hazard	—	1994	Earth	Tennessee
Carrollwood Lake'D' Shelby	Significant Hazard	—	1982	Earth	Tennessee
Carrolwood Lake 'Ac' Shelby	Significant Hazard	—	1988	Earth	Tennessee