Flood Risk Reduction Dams

17,618 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Woodcock Creek Dam Crawford	High Hazard	—	1973	Earth	Pennsylvania
Wood Creek Flood Control Dam Site #9 Litchfield	High Hazard	36 ft	1971	Earth	Connecticut
Woodcrest Riverside	High Hazard	44 ft	1954	Earth	California
Wood Dam 1460 Frontier	Low Hazard	26 ft	1969	Earth	Nebraska
Woodlake Estates Dam Sangamon	High Hazard	26 ft	—	Earth	Illinois
Woodland Hills Debris Basin Utah	Significant Hazard	—	—	Earth	Utah
Woodmoor Dam #1 Stark	Significant Hazard	17 ft	1978	Earth	Ohio
Woodmoor Dam #2 Stark	Significant Hazard	16 ft	1978	Earth	Ohio
Woodscreek Detention Dam McHenry	Low Hazard	13 ft	1991	Earth	Illinois
Woods Edge - Pond A Lancaster	Low Hazard	11 ft	—	Earth	Pennsylvania
Woods End Dam Roanoke	High Hazard	33 ft	—	Earth	Virginia
Woods Hollow Subwatershed Site 1-2875 Monona	Low Hazard	26 ft	1960	Earth	Iowa
Woods Hollow Subwatershed Site M-10450 Monona	Low Hazard	25 ft	1960	Earth	Iowa
Woods Hollow Subwatershed Sta 40+42 Monona	Low Hazard	35 ft	1960	Earth	Iowa
Woodward Glen Subwatershed Site 5800 Monona	Low Hazard	31 ft	1958	Earth	Iowa
Woodward Jim Woods	Low Hazard	30 ft	1984	Earth	Oklahoma
Woody Branch Dam Dallas	High Hazard	43 ft	1997	Concrete	Texas
Woolford Dam Garden	Low Hazard	20 ft	1981	Earth	Nebraska
Woollen Farms Dam Harlan	Low Hazard	15 ft	1960	Earth	Nebraska
Woonsocket Falls Dam Providence	Low Hazard	21 ft	1960	Concrete	Rhode Island
Worth Dam Keya Paha	Low Hazard	13 ft	1959	Earth	Nebraska
W.P. Franklin Lock and Dam Lee	Low Hazard	—	1965	—	Florida
Wray Watershed District #1 Yuma	Significant Hazard	32 ft	1957	Earth	Colorado
Wray Watershed District #2 Yuma	Significant Hazard	19 ft	1958	Earth	Colorado
Wray Watershed District #3 Yuma	Significant Hazard	34 ft	1958	Earth	Colorado
Wray Watershed District #4 Yuma	Significant Hazard	23 ft	1958	Earth	Colorado
Wray Watershed District #5 Yuma	Significant Hazard	27 ft	1958	Earth	Colorado
Wray Watershed District #6 Yuma	Significant Hazard	31 ft	1958	Earth	Colorado
Wrich Dam 1 Washington	Low Hazard	51 ft	1960	Earth	Nebraska
Wrich Dam 2 Washington	Low Hazard	41 ft	1980	Earth	Nebraska
Wright Creek Stormwater Pond Dam Kitsap	Significant Hazard	—	2006	Earth	Washington
Wright Dam 7416 Gage	Low Hazard	20 ft	2006	Earth	Nebraska
Wright Farm West Detention Basin Dam Hamilton	High Hazard	26 ft	1996	Earth	Ohio
Wright Patman Dam Bowie	High Hazard	106 ft	1954	Earth	Texas
Wrightsboro Rd. Det. Dam Richmond	High Hazard	20 ft	1992	Earth	Georgia
Wrightsville Washington	High Hazard	115 ft	1935	Earth	Vermont
W. V. Middlemist Adams	Low Hazard	15 ft	1954	Earth	Colorado
Wye Mills Dam Queen Anne's	Significant Hazard	20 ft	1682	Earth	Maryland
Wyndemere Swm Pond Howard	Significant Hazard	13 ft	1995	Earth	Maryland
Wynoochee Grays Harbor	High Hazard	175 ft	1972	Gravity	Washington
Wynstone Boulevard Dam Will	Low Hazard	8 ft	—	Earth	Illinois
Yankee Hill Dam Lancaster	High Hazard	—	1965	Earth	Nebraska
Yankee Hill Road Dam Seward	Low Hazard	19 ft	1980	Earth	Nebraska
Yardley Road Lake Dam Morris	High Hazard	30 ft	—	Earth	New Jersey
Yarnell Debris Basin Los Angeles	Low Hazard	42 ft	1963	Earth	California
Yates Center Reservoir Dam (Multi-Purpose Dam) Woodson	Significant Hazard	47 ft	1990	Earth	Kansas
Yatesville Dam Lawrence	High Hazard	—	1988	Rockfill	Kentucky
Yearling Dam Richardson	Low Hazard	29 ft	1955	Earth	Nebraska
Yellow Jacket Creek Watershed Str. # 15 Troup	High Hazard	48 ft	1973	Earth	Georgia
Yellow Lake Outlet Dike King	High Hazard	—	1986	Earth	Washington