Flood Risk Reduction Dams

17,618 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Ascalmore Structure Y-17a-01 Dam Tallahatchie	High Hazard	36 ft	1963	Earth	Mississippi
Ascalmore Structure Y-17a-02 Dam Tallahatchie	High Hazard	39 ft	1959	Earth	Mississippi
Ascalmore Structure Y-17a-05 Dam Tallahatchie	Low Hazard	30 ft	1969	Earth	Mississippi
Ascalmore Structure Y-17a-09 Dam Tallahatchie	Low Hazard	28 ft	1963	Earth	Mississippi
Ascalmore Structure Y-17a-11 Dam Tallahatchie	Low Hazard	40 ft	1959	Earth	Mississippi
Ascalmore Structure Y-17a-75 Dam Tallahatchie	Low Hazard	29 ft	1963	Earth	Mississippi
Ascalmore Structure Y-17a-76 Dam Tallahatchie	Low Hazard	35 ft	1970	Earth	Mississippi
Ascalmore Structure Yo-30-03 Dam Tallahatchie	Low Hazard	25 ft	1956	Earth	Mississippi
Ascalmore Structure Yo-30-04 Dam Tallahatchie	Low Hazard	26 ft	1956	Earth	Mississippi
Ascalmore Structure Yo-30-06 Dam Tallahatchie	Low Hazard	26 ft	1956	Earth	Mississippi
Ascalmore Structure Yo-30-07 Dam Tallahatchie	Low Hazard	27 ft	1956	Earth	Mississippi
Ascalmore Structure Yo-30-08 Dam Tallahatchie	Low Hazard	26 ft	1956	Earth	Mississippi
Ascalmore Structure Yo-30-15 Dam Tallahatchie	Low Hazard	22 ft	1956	Earth	Mississippi
Ascalmore WS Str Y-17a-71 Dam Tallahatchie	Significant Hazard	34 ft	1963	Earth	Mississippi
Ashbrook Dam Loudoun	Unknown	20 ft	—	Earth	Virginia
Ashburn Village Lake #1 Loudoun	High Hazard	32 ft	—	Earth	Virginia
Ashburn Village Lake #2 Loudoun	High Hazard	29 ft	—	Earth	Virginia
Ashbury Lake Dam Ralls	High Hazard	28 ft	1978	Earth	Missouri
Ashcroft Drive - Woodbridge Pond Prince George's	High Hazard	20 ft	—	Earth	Maryland
Asheville North Stormwater Pond Dam Buncombe	High Hazard	—	—	Earth	North Carolina
Asheville South Stormwater Pond Dam Buncombe	High Hazard	—	—	Earth	North Carolina
Ash Hollow Dry Dam Lancaster	High Hazard	33 ft	2017	Earth	Nebraska
Ashland Mill Dam Hanover	Unknown	14 ft	—	Concrete	Virginia
Ashley Furniture Berks	Unknown	11 ft	1991	Earth	Pennsylvania
Ashley Valley Flood Control Uintah	Low Hazard	—	—	Earth	Utah
Aspen Creek Ribs Dam Lyon	Low Hazard	7 ft	—	Earth	Nevada
Aspen (No. 6) Maricopa	High Hazard	30 ft	1973	Earth	Arizona
Aspen Pond Dam Tulsa	Low Hazard	12 ft	—	Earth	Oklahoma
Assunpink #18 Dam Monmouth	High Hazard	38 ft	—	Earth	New Jersey
Assunpink #20 Dam Mercer	High Hazard	26 ft	—	Earth	New Jersey
Assunpink #21 Dam Mercer	High Hazard	25 ft	—	Earth	New Jersey
Assunpink #4 Dam Monmouth	High Hazard	24 ft	—	Earth	New Jersey
Assunpink #5 Dam Monmouth	Low Hazard	13 ft	—	Earth	New Jersey
Assunpink # 6 Dam Mercer	High Hazard	31 ft	1975	Earth	New Jersey
Aston Oaks Lake Dam Hamilton	High Hazard	66 ft	2000	Earth	Ohio
Atagahi Lake Dam Transylvania	High Hazard	—	1973	Earth	North Carolina
Atlanta Automotive Distribution Center Detention Dam Gwinnett	Low Hazard	48 ft	1991	Earth	Georgia
Attoyac Bayou WS NRCS Site 23a Dam Nacogdoches	High Hazard	59 ft	2006	Earth	Texas
Attoyac Bayou WS SCS Site 11 Dam Shelby	Low Hazard	27 ft	1971	Earth	Texas
Attoyac Bayou WS SCS Site 12 Dam Shelby	Significant Hazard	31 ft	1976	Earth	Texas
Attoyac Bayou WS SCS Site 15 Dam Shelby	Low Hazard	34 ft	1976	Earth	Texas
Attoyac Bayou WS SCS Site 18a Dam Nacogdoches	Low Hazard	25 ft	1971	Earth	Texas
Attoyac Bayou WS SCS Site 20 Dam Nacogdoches	Low Hazard	35 ft	1977	Earth	Texas
Attoyac Bayou WS SCS Site 21 Dam Nacogdoches	Low Hazard	42 ft	1977	Earth	Texas
Attoyac Bayou WS SCS Site 2 Dam Rusk	Low Hazard	35 ft	1972	Earth	Texas
Attoyac Bayou WS SCS Site 3 Dam Rusk	Low Hazard	33 ft	1973	Earth	Texas
Attoyac Bayou WS SCS Site 5 Dam Rusk	Low Hazard	33 ft	1980	Earth	Texas
Attoyac Bayou WS SCS Site 7 Dam Shelby	Low Hazard	27 ft	1974	Earth	Texas
Attoyac Bayou WS SCS Site 8 Dam Shelby	Low Hazard	30 ft	1974	Earth	Texas
Attoyac Bayou WS SCS Site 9 Dam Shelby	High Hazard	31 ft	1980	Earth	Texas