Flood Risk Reduction Dams

17,618 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Yellow Rabbit Watershed Strucuture Lt-5-8 Dam Benton	Low Hazard	21 ft	1960	Earth	Mississippi
Yellow River Rc&D WS Str. Y-3 Gwinnett	High Hazard	36 ft	1967	Earth	Georgia
Yoder Caviness Pond Dam Lamar	Low Hazard	28 ft	1981	Earth	Texas
Yorba Orange	High Hazard	45 ft	1907	Earth	California
York Bldg Products Settling Pond 10 Cecil	Significant Hazard	48 ft	1991	Earth	Maryland
York Building Products Pond No. 6 Cecil	Low Hazard	30 ft	1971	Earth	Maryland
York Creek WS SCS Site 10 Dam Guadalupe	High Hazard	40 ft	1963	Earth	Texas
York Creek WS SCS Site 11 Dam Guadalupe	Significant Hazard	35 ft	1962	Earth	Texas
York Creek WS SCS Site 12 Dam Guadalupe	High Hazard	46 ft	1963	Earth	Texas
York Creek WS SCS Site 13 Dam Guadalupe	High Hazard	34 ft	1964	Earth	Texas
York Creek WS SCS Site 14 Dam Guadalupe	High Hazard	25 ft	1963	Earth	Texas
York Creek WS SCS Site 15 Dam Guadalupe	Low Hazard	36 ft	1960	Earth	Texas
York Creek WS SCS Site 16 Dam Guadalupe	Low Hazard	36 ft	1960	Earth	Texas
York Creek WS SCS Site 1 Dam Comal	High Hazard	81 ft	1967	Earth	Texas
York Creek WS SCS Site 2 Dam Comal	High Hazard	48 ft	1963	Earth	Texas
York Creek WS SCS Site 3 Dam Comal	High Hazard	31 ft	1967	Earth	Texas
York Creek WS SCS Site 4 Dam Guadalupe	High Hazard	38 ft	1965	Earth	Texas
York Creek WS SCS Site 5 Dam Hays	High Hazard	41 ft	1963	Earth	Texas
York Creek WS SCS Site 6 Dam Guadalupe	Significant Hazard	31 ft	1962	Earth	Texas
York Creek WS SCS Site 7 Dam Guadalupe	High Hazard	38 ft	1962	Earth	Texas
York Creek WS SCS Site 8 Dam Guadalupe	High Hazard	31 ft	1963	Earth	Texas
York Creek WS SCS Site 9 Dam Guadalupe	Low Hazard	28 ft	1964	Earth	Texas
York Indian Rock Dam York	High Hazard	83 ft	1942	Rockfill	Pennsylvania
York Meadows Dam York	Unknown	15 ft	—	Earth	Virginia
Yost Reservoir Payne	Low Hazard	18 ft	1920	Earth	Oklahoma
Youghiogheny Dam Fayette	High Hazard	—	1944	Earth	Pennsylvania
Young County Com Court Cat 655 No 1 Dam Young	Low Hazard	18 ft	1984	Earth	Texas
Young Glen Creek	Low Hazard	28 ft	1965	Earth	Oklahoma
Yount Dam Scotts Bluff	Low Hazard	17 ft	1964	Earth	Nebraska
Yung North Dam Kimball	Low Hazard	20 ft	1970	Earth	Nebraska
Yung South Dam Kimball	Low Hazard	16 ft	1960	Earth	Nebraska
Zahn Dam Otoe	Low Hazard	32 ft	1952	Earth	Nebraska
Zahn Dam; Joseph Oliver	Low Hazard	17 ft	1964	Earth	North Dakota
Zalesky Dam Jefferson	Low Hazard	25 ft	1980	Earth	Nebraska
Zaugg Dam Pocahontas	Low Hazard	42 ft	1998	Earth	Iowa
Zehr Dam Buffalo	Low Hazard	15 ft	1960	Earth	Nebraska
Zellmer Subwatershed Site J-1a Woodbury	Low Hazard	42 ft	2002	Earth	Iowa
Zellmer Subwtrshd #B 22+50 Woodbury	Low Hazard	27 ft	1964	Earth	Iowa
Zellmer Subwtrshd #M 106+26 Woodbury	Low Hazard	39 ft	1964	Earth	Iowa
Zellmer Subwtrshd Sta 31+70 #M Woodbury	Low Hazard	42 ft	1964	Earth	Iowa
Zellmer Subwtrshd Sta 54+60 #B1 Woodbury	Low Hazard	30 ft	1964	Earth	Iowa
Zellmer Subwtrshd Sta 60+50 #A Woodbury	Low Hazard	24 ft	1964	Earth	Iowa
Zerbe Pond Winona	Low Hazard	29 ft	1979	Earth	Minnesota
Zf Batavia Retention Basin Dam Clermont	Significant Hazard	22 ft	1980	Earth	Ohio
Ziegler Creek Z-1 Otoe	Low Hazard	25 ft	1967	Earth	Nebraska
Ziegler Creek Z-15 Otoe	Low Hazard	34 ft	1969	Earth	Nebraska
Ziegler Creek Z-16 Otoe	Low Hazard	42 ft	1970	Earth	Nebraska
Ziegler Creek Z-17 Otoe	Low Hazard	39 ft	1970	Earth	Nebraska
Ziegler Creek Z-5-1 Otoe	Low Hazard	29 ft	1968	Earth	Nebraska
Ziegler Creek Z-5-3 Otoe	Low Hazard	33 ft	1968	Earth	Nebraska