Low Hazard Dams
No probable loss of human life and low economic/environmental losses expected.
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Wynn Lake Dam Banks | Low Hazard | 32 ft | 1957 | Earth | Georgia |
| Wynns Pond Dam Coweta | Low Hazard | 12 ft | 1900 | Rockfill | Georgia |
| Wynstone Boulevard Dam Will | Low Hazard | 8 ft | — | Earth | Illinois |
| Wyocena Columbia | Low Hazard | 14 ft | 1849 | Gravity | Wisconsin |
| Wyoming Campbell | Low Hazard | 20 ft | 2006 | Earth | Wyoming |
| Wyo. Refining Containment Pond Weston | Low Hazard | 28 ft | 1980 | Earth | Wyoming |
| Wyotana Ranch #4 Carter | Low Hazard | 18 ft | 1962 | Earth | Montana |
| Wyotana Ranch #5 Carter | Low Hazard | 15 ft | 1962 | Earth | Montana |
| Wyre - Wynd New London | Low Hazard | 21 ft | 1913 | Masonry | Connecticut |
| Wyrick Fallon | Low Hazard | 22 ft | 1984 | Earth | Montana |
| Wyrosdick Pond Dam Butler | Low Hazard | — | 1969 | Earth | Alabama |
| Wysong Dam Guilford | Low Hazard | — | — | Earth | North Carolina |
| Xit No.10 Beaver | Low Hazard | 25 ft | 1955 | Earth | Oklahoma |
| Xit No.11 Beaver | Low Hazard | 20 ft | 1949 | Earth | Oklahoma |
| Xit No.8 Beaver | Low Hazard | 20 ft | 1962 | Earth | Oklahoma |
| Xit No.9 Beaver | Low Hazard | 20 ft | 1955 | Earth | Oklahoma |
| Xmas Tank Dam Maverick | Low Hazard | 12 ft | 1974 | Earth | Texas |
| Xqz Lake Dam Tom Green | Low Hazard | 20 ft | 1957 | Earth | Texas |
| X Way Millpond Dam Scotland | Low Hazard | — | 1949 | Earth | North Carolina |
| X. Ziltner Hyde | Low Hazard | 14 ft | 1953 | Earth | South Dakota |
| Yacht Club Bay Dam Number 15 Tuscaloosa | Low Hazard | — | 1976 | Earth | Alabama |
| Yacht Club Bay Dam Number 8 Tuscaloosa | Low Hazard | — | 1976 | Earth | Alabama |
| Yadco Lake Dam Moore | Low Hazard | — | 1959 | Earth | North Carolina |
| Yadkin Recreation Park Dam Yadkin | Low Hazard | — | — | Earth | North Carolina |
| Yadkin Valley Nursery Dam Yadkin | Low Hazard | — | — | Earth | North Carolina |
| Yagel Dam Linn | Low Hazard | 26 ft | 1996 | Earth | Missouri |
| Yahnke Dam Davis | Low Hazard | 30 ft | 1970 | Earth | Iowa |
| Yakju Crook | Low Hazard | 29 ft | 1962 | Earth | Wyoming |
| Yaleville St. Lawrence | Low Hazard | 12 ft | 1914 | Concrete | New York |
| Y and S Delta | Low Hazard | 27 ft | 1959 | Earth | Colorado |
| Yanke Valley | Low Hazard | 29 ft | 1988 | — | Idaho |
| Yankee Hill Road Dam Seward | Low Hazard | 19 ft | 1980 | Earth | Nebraska |
| Yantighem Chouteau | Low Hazard | 14 ft | 1961 | Earth | Montana |
| Yara Lake Dam Sumter | Low Hazard | 26 ft | — | Earth | Georgia |
| Yarboro Cemetery Lake Dam Grimes | Low Hazard | 25 ft | 1961 | Earth | Texas |
| Yarborough Pond Evans | Low Hazard | 11 ft | 1945 | Earth | Georgia |
| Yarbrough Calhoun | Low Hazard | — | 1957 | Earth | Alabama |
| Yarbrough Fred Harmon | Low Hazard | 25 ft | 1977 | Earth | Oklahoma |
| Yarbrough Lake Dam Bibb | Low Hazard | 26 ft | — | Earth | Georgia |
| Yardbrough Billy Pontotoc | Low Hazard | 18 ft | 1960 | Earth | Oklahoma |
| Yards Creek Auxiliary Reservoir Dam Warren | Low Hazard | 22 ft | 1965 | Earth | New Jersey |
| Yarmony Routt | Low Hazard | 32 ft | 1903 | Earth | Colorado |
| Yarnell Debris Basin Los Angeles | Low Hazard | 42 ft | 1963 | Earth | California |
| Yastremski Dam Park | Low Hazard | 10 ft | 1950 | Earth | Montana |
| Yates Coal Gulch 24-16 Johnson | Low Hazard | 28 ft | 2008 | Earth | Wyoming |
| Yates Dam Appanoose | Low Hazard | 25 ft | 1972 | Earth | Iowa |
| Yates Dam Boone | Low Hazard | 23 ft | 1990 | Earth | Missouri |
| Yates Dam Lamar | Low Hazard | 36 ft | 1957 | Earth | Alabama |
| Yates Lake Neshoba | Low Hazard | 13 ft | 1970 | Earth | Mississippi |
| Yates Lake #2 Dam Walker | Low Hazard | 26 ft | 1948 | Earth | Georgia |