Flood Risk Reduction Dams

17,618 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Wenger Subwatershed Sta 32+00 #5 Woodbury	Low Hazard	28 ft	1965	Earth	Iowa
Wenger Subwatershed Sta 43+88 #M Woodbury	Low Hazard	36 ft	1965	Earth	Iowa
Wenzl Dam Pawnee	Low Hazard	31 ft	1978	Earth	Nebraska
Wergeland 31 Yellow Medicine	Low Hazard	20 ft	—	Rockfill	Minnesota
Wes Clark Cat Dam Garden	High Hazard	30 ft	1981	Earth	Nebraska
Wesserunsett Somerset	High Hazard	11 ft	1800	Concrete	Maine
West 17th Street Detention Erie	Significant Hazard	13 ft	2001	Earth	Pennsylvania
West 32nd St Stormwater - Lower Dam Dubuque	Significant Hazard	8 ft	2009	Earth	Iowa
West 32nd St Stormwater - Upper Dam Dubuque	Significant Hazard	23 ft	2009	Earth	Iowa
West Albany Storm Retention Basin A Dam Albany	Significant Hazard	21 ft	1980	Earth	New York
West Albany Storm Retention Basin B Dam Albany	Significant Hazard	9 ft	—	Earth	New York
West Aldrich Subwatershed Site 14-A-1 Ida	Low Hazard	31 ft	1992	Earth	Iowa
West Badger Detention Mesa	Low Hazard	23 ft	1962	Earth	Colorado
West Bay Woods Dam Douglas	Low Hazard	18 ft	2000	Earth	Nebraska
West Beaver Subwatershed Sta 23+45 #A Monona	Low Hazard	65 ft	1961	Earth	Iowa
West Beaver Subwatershed Sta 33+30 Monona	Low Hazard	44 ft	1961	Earth	Iowa
West Beaver Subwatershed Sta 40+06 #A Monona	Low Hazard	43 ft	1961	Earth	Iowa
West Beaver Subwatershed Sta 51+80 Monona	Low Hazard	39 ft	1961	Earth	Iowa
West Beaver Subwatershed Sta 97+07 Monona	Low Hazard	36 ft	1961	Earth	Iowa
West Boggs Creek Structure No. 1 Martin	High Hazard	51 ft	1971	Earth	Indiana
West Branch Flood Control Dam Johnson	High Hazard	24 ft	2012	Earth	Iowa
West Broad Village Dam Henrico	Unknown	19 ft	—	Earth	Virginia
West Buffalo Creek WS SCS Site 1 Dam Johnson	High Hazard	35 ft	1987	Earth	Texas
West Creek Dam Goochland	Unknown	19 ft	—	Earth	Virginia
West Dike Kiowa	Low Hazard	25 ft	1975	Earth	Oklahoma
West Doubtful Detention Dam Cochise	Low Hazard	—	1968	Gravity	Arizona
West Douglas Watershed Site B-1 Adams	Low Hazard	35 ft	1968	Earth	Iowa
West Douglas Watershed Site B-2 Adams	Low Hazard	29 ft	1968	Earth	Iowa
West Douglas Watershed Site E-1 Adams	Low Hazard	23 ft	1968	Earth	Iowa
West Douglas Watershed Site K-1 Adams	Low Hazard	28 ft	1968	Earth	Iowa
West Douglas Watershed Site K-2 Adams	Low Hazard	31 ft	1968	Earth	Iowa
West Douglas Watershed Site L-1 Adams	Low Hazard	33 ft	1968	Earth	Iowa
West Douglas Watershed Site L-12 Adams	Low Hazard	33 ft	1968	Earth	Iowa
West Douglas Watershed Site L-5 Adams	Low Hazard	30 ft	1968	Earth	Iowa
West Douglas Watershed Site L-6 Adams	Low Hazard	39 ft	1968	Earth	Iowa
West Douglas Watershed Site L-7 Adams	Low Hazard	42 ft	1968	Earth	Iowa
Westerdoll Lake Larimer	Low Hazard	11 ft	1900	Earth	Colorado
Westerly Creek Denver	High Hazard	45 ft	1991	Earth	Colorado
Western Irrigation District Dam 1 Keith	Low Hazard	23 ft	1963	Earth	Nebraska
West Farm Regional SWM Pond Montgomery	Significant Hazard	25 ft	1987	Earth	Maryland
Westfields Swm Retention Pond No. 13 Dam Fairfax	Unknown	25 ft	—	Earth	Virginia
West Fk Big Cr Watershed Site W-14 Ringgold	Low Hazard	26 ft	2005	Earth	Iowa
West Fk Big Cr Watershed Site W-2 Ringgold	Low Hazard	23 ft	2005	Earth	Iowa
West Fk Big Cr Watershed Site W-31 Ringgold	Low Hazard	26 ft	2005	Earth	Iowa
West Fk Big Cr Watshd Site S-7 Decatur	Low Hazard	21 ft	1996	Earth	Iowa
West Fork #3 Subwtrshd Site 6-2107 Woodbury	Low Hazard	25 ft	1962	Earth	Iowa
West Fork #3 Subwtrshd Sta 25+20 #9a Woodbury	Low Hazard	36 ft	1961	Earth	Iowa
West Fork #3 Subwtrshd Sta 37+14 #9 Woodbury	Low Hazard	55 ft	1961	Earth	Iowa
West Fork #3 Subwtrshd Sta 38+15 #6 Woodbury	Low Hazard	27 ft	1961	Earth	Iowa
West Fork #3 Subwtrshd Sta 52+20 #9 Woodbury	Low Hazard	35 ft	1961	Earth	Iowa