Flood Risk Reduction Dams

17,618 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Waubonsie Cr. Watershed Site 3-6 Mills	Low Hazard	50 ft	1989	Earth	Iowa
Waubonsie Cr. Watershed Site 36-1 Mills	Low Hazard	45 ft	1983	Earth	Iowa
Waubonsie Cr. Watershed Site 36-2 Mills	Low Hazard	53 ft	1983	Earth	Iowa
Waubonsie Cr. Watershed Site 36-3 Mills	Low Hazard	47 ft	1983	Earth	Iowa
Waubonsie Cr. Watershed Site 3-7 Mills	Low Hazard	47 ft	1989	Earth	Iowa
Waubonsie Cr. Watershed Site 37-1 Mills	Low Hazard	53 ft	1983	Earth	Iowa
Waubonsie Cr. Watershed Site 3-8 Mills	Low Hazard	69 ft	1989	Earth	Iowa
Waubonsie Cr. Watershed Site 39 Mills	Low Hazard	40 ft	1983	Earth	Iowa
Waubonsie Cr. Watershed Site 39-1 Mills	Low Hazard	37 ft	1983	Earth	Iowa
Waubonsie Cr. Watershed Site 9-1 Mills	Low Hazard	47 ft	1976	Earth	Iowa
Waubonsie Cr. Watershed Site M-1 Mills	Low Hazard	42 ft	1978	Earth	Iowa
Waukena Lake Dam Beaverhead	Low Hazard	12 ft	1930	Earth	Montana
Wauneta North Dam Chase	Significant Hazard	72 ft	1970	Earth	Nebraska
Waurika Dam Jefferson	High Hazard	106 ft	1977	Earth	Oklahoma
Wautoma Waushara	Low Hazard	11 ft	1852	Gravity	Wisconsin
Way Iron	High Hazard	47 ft	1941	Concrete	Michigan
Wayland Reservoir Dam Steuben	Low Hazard	16 ft	1948	Earth	New York
Wayne Glen Chester	High Hazard	14 ft	—	Earth	Pennsylvania
Wayne Hansen Dam Saline	Low Hazard	25 ft	1999	Earth	Nebraska
Waynesville Water Supply Dam Haywood	High Hazard	—	1982	Earth	North Carolina
Wayne Village Kennebec	Low Hazard	18 ft	1850	Concrete	Maine
Wayside Pond Dam Worcester	Significant Hazard	8 ft	1964	Earth	Massachusetts
Wc-4 Water Control Structure Sumter	Low Hazard	9 ft	—	Earth	Florida
W. Cherry Creek Det. #1 El Paso	Low Hazard	32 ft	1961	Earth	Colorado
W. Cherry Creek Det. #10 Douglas	Low Hazard	23 ft	1961	Earth	Colorado
W. Cherry Creek Det. #11 Douglas	Low Hazard	37 ft	1961	Earth	Colorado
W. Cherry Creek Det. #2 El Paso	Low Hazard	25 ft	1960	Earth	Colorado
W. Cherry Creek Det. #4 El Paso	Low Hazard	29 ft	1961	Earth	Colorado
W. Cherry Creek Det. #5 El Paso	Low Hazard	22 ft	1960	Earth	Colorado
W. Cherry Creek Det. #6 El Paso	Low Hazard	18 ft	1961	Earth	Colorado
W. Cherry Creek Det. #7 Douglas	Low Hazard	9 ft	1959	Earth	Colorado
W. Cherry Creek Det. #8 Douglas	Low Hazard	28 ft	1960	Earth	Colorado
W. Cherry Creek Det. #9 Douglas	Low Hazard	27 ft	1960	Earth	Colorado
Weatherfordbear #1b Wayne	Significant Hazard	—	1970	Earth	Tennessee
Weatherfordbear #2 Wayne	High Hazard	—	1969	Earth	Tennessee
Weaver Lake Dam Grimes	Low Hazard	20 ft	1970	Earth	Texas
Weaver Lake Dam Nevada	Low Hazard	27 ft	1967	Rockfill	California
Webb #1 Cascade	Low Hazard	15 ft	1962	Earth	Montana
Webber Pond Lac qui Parle	Low Hazard	30 ft	1975	Earth	Minnesota
Weber Creek Subwatershed Site 2-3225 Woodbury	Low Hazard	42 ft	1955	Earth	Iowa
Weber Creek Subwatershed Site 3-4287 Woodbury	Low Hazard	31 ft	1955	Earth	Iowa
Weber Creek Subwatershed Site 5-2832 Woodbury	Low Hazard	21 ft	1955	Earth	Iowa
Weber Creek Subwatershed Site 5-4460 Woodbury	Low Hazard	41 ft	1956	Earth	Iowa
Weber Creek Subwatershed Site 9-1900 Woodbury	Low Hazard	28 ft	1955	Earth	Iowa
Weber Creek Subwatershed Site M-11136 Woodbury	Low Hazard	27 ft	1955	Earth	Iowa
Weber Creek Subwatershed Site M-11532 Woodbury	Low Hazard	44 ft	1956	Earth	Iowa
Weber Creek Subwatershed Site M-13551 Woodbury	Low Hazard	32 ft	1956	Earth	Iowa
Weber Creek Subwatershed Site M-13941 Woodbury	Low Hazard	25 ft	1955	Earth	Iowa
Weber Creek Subwatershed Site M-15543 Woodbury	Low Hazard	35 ft	1956	Earth	Iowa
Weber Creek Subwatershed Site M-17052 Woodbury	Low Hazard	40 ft	1956	Earth	Iowa