Flood Risk Reduction Dams

17,618 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Ziegler Creek Z-5-4 Otoe	Low Hazard	29 ft	1969	Earth	Nebraska
Ziegler Creek Z-6-2 Otoe	Low Hazard	24 ft	1967	Earth	Nebraska
Ziegler Farm Dam Franklin	Low Hazard	21 ft	1960	Earth	Nebraska
Ziegler Farms Dam Webster	Low Hazard	19 ft	1960	Earth	Nebraska
Zimber Ditch Detention Basin B Summit	High Hazard	17 ft	2007	Concrete	Ohio
Zimmer Dd No I Brown	Low Hazard	34 ft	1954	Earth	Kansas
Zinger #1 Richland	Low Hazard	16 ft	1960	Earth	Montana
Zintel Canyon Dam Benton	High Hazard	—	1992	Concrete	Washington
Zollman Lake Dam Worth	High Hazard	25 ft	1972	Earth	Missouri
Zorinsky Basin 3 - Whitehawk Douglas	High Hazard	38 ft	2002	Earth	Nebraska
Zorinsky Dam Douglas	High Hazard	—	1985	Rockfill	Nebraska
Zuber Draw Site 1 Dam Chaves	High Hazard	28 ft	1960	Earth	New Mexico
Zuber Draw Site 2 Dam Chaves	High Hazard	16 ft	1960	Earth	New Mexico
Zuber Draw Site 3 Dam Chaves	High Hazard	22 ft	1960	Earth	New Mexico
Zurbuchen Lake Dam Clinton	Low Hazard	33 ft	1976	Earth	Missouri
Zvolanek Dam Gage	Low Hazard	30 ft	2004	Earth	Nebraska
Zwiener Dam Buffalo	Low Hazard	28 ft	1961	Earth	Nebraska
Zysset Dam Frontier	Low Hazard	22 ft	1974	Earth	Nebraska