Browse All Dams
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Zimmerman Dam Scotland | Low Hazard | 25 ft | 1995 | Earth | Missouri |
| Zimmerman Dam Warren | Low Hazard | 27 ft | 1998 | Earth | Iowa |
| Zimmerman Lake Larimer | Low Hazard | 10 ft | 1913 | Earth | Colorado |
| Zimmerman Lake Dam Moniteau | Low Hazard | 20 ft | 1976 | Earth | Missouri |
| Zimmerman Pond Dam Lexington | Low Hazard | 16 ft | 1935 | — | South Carolina |
| Zimmerman Retention Dam #1 Petroleum | Low Hazard | — | 2003 | Gravity | Montana |
| Zimmer Waste Water Pond Complex Dam Clermont | Significant Hazard | 21 ft | 1989 | Earth | Ohio |
| Zinger #1 Richland | Low Hazard | 16 ft | 1960 | Earth | Montana |
| Zinsmeyer Lake Dam Franklin | High Hazard | 31 ft | 1967 | Earth | Missouri |
| Zintel Canyon Dam Benton | High Hazard | — | 1992 | Concrete | Washington |
| Zion Lake Dam Jennings | Low Hazard | 21 ft | 1957 | Earth | Indiana |
| Zion Lake Dam Harrison | Low Hazard | 37 ft | 1963 | Earth | Ohio |
| Zip 4876-15 Fresh Water #1 Campbell | Low Hazard | 27 ft | 2023 | Earth | Wyoming |
| Zittrouer Pond Dam Effingham | Low Hazard | 15 ft | — | Earth | Georgia |
| Zoar Pond Dam Middlesex | Significant Hazard | 21 ft | — | Earth | Connecticut |
| Zobisch Caddo | Low Hazard | 30 ft | 1953 | Earth | Oklahoma |
| Zoellner Dam Perry | High Hazard | 62 ft | — | Earth | Missouri |
| Zoglmann Reservoir Harney | Low Hazard | 28 ft | 1963 | Earth | Oregon |
| Zoldan Pond Dam Mahoning | Low Hazard | 31 ft | 2003 | Earth | Ohio |
| Zollman Lake Dam Worth | High Hazard | 25 ft | 1972 | Earth | Missouri |
| Zonia Southwest Holding Tank Yavapai | Low Hazard | 42 ft | — | Earth | Arizona |
| Zoo Lake No 1 Dam Taylor | High Hazard | 12 ft | 1966 | Earth | Texas |
| Zoo Lake No 2 Dam Taylor | High Hazard | 12 ft | 1927 | Earth | Texas |
| Zorc Bros. No.2 Ziebach | Low Hazard | 26 ft | 1962 | Earth | South Dakota |
| Zorc Bros. No.3 Ziebach | Low Hazard | 17 ft | 1950 | Earth | South Dakota |
| Zorinsky Basin 1 Douglas | Significant Hazard | 20 ft | 2014 | Earth | Nebraska |
| Zorinsky Basin 2 Douglas | High Hazard | 39 ft | 2020 | Earth | Nebraska |
| Zorinsky Basin 3 - Whitehawk Douglas | High Hazard | 38 ft | 2002 | Earth | Nebraska |
| Zorinsky Dam Douglas | High Hazard | — | 1985 | Rockfill | Nebraska |
| Zosel Dam Okanogan | High Hazard | — | 1986 | Gravity | Washington |
| Z Ranch Lake Dam McCulloch | Low Hazard | 18 ft | 1979 | Earth | Texas |
| 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 |
| Zuber Hollow Reservoir Chaves | Low Hazard | 20 ft | 1928 | Earth | New Mexico |
| Zuehlke Lake Dam Washington | Low Hazard | 16 ft | 1967 | Earth | Texas |
| Zumwalt's Dam Hempstead | Low Hazard | 18 ft | 1984 | Earth | Arkansas |
| Zuni Lake Dam Crawford | High Hazard | 51 ft | 1977 | Earth | Missouri |
| Zunino Reservoir Dam Elko | High Hazard | 20 ft | 1909 | Earth | Nevada |
| Zupan Lake Dam Ashland | Low Hazard | 31 ft | 2000 | Earth | Ohio |
| Zurbuchen Lake Dam Clinton | Low Hazard | 33 ft | 1976 | Earth | Missouri |
| Zvejnieks Lake Dam Carroll | Low Hazard | 25 ft | 1958 | Earth | Georgia |
| Zvolanek Dam Gage | Low Hazard | 30 ft | 2004 | Earth | Nebraska |
| Zwiener Dam Buffalo | Low Hazard | 28 ft | 1961 | Earth | Nebraska |
| Zylstra Dam No 2 San Juan | Low Hazard | — | 1963 | Earth | Washington |
| Zysset Dam Frontier | Low Hazard | 22 ft | 1974 | Earth | Nebraska |