Low Hazard Dams
No probable loss of human life and low economic/environmental losses expected.
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| William Baxter Perkins | Low Hazard | 17 ft | 1949 | Earth | South Dakota |
| William Bridge Road Lake Dam Franklin | Low Hazard | 19 ft | — | — | Georgia |
| William Clanton Irrigation Pond Dam Wayne | Low Hazard | 28 ft | — | Earth | Georgia |
| William Dale Hale | Low Hazard | 21 ft | 1970 | Earth | Alabama |
| William D. Rowland Fayette | Low Hazard | 23 ft | 1994 | Earth | Alabama |
| William Dyess Dam Natchitoches | Low Hazard | 10 ft | — | Earth | Louisiana |
| William E Cushing Dam Hall | Low Hazard | 26 ft | 1963 | Earth | Texas |
| William Enk Dam Nodaway | Low Hazard | 33 ft | 2000 | Earth | Missouri |
| William Freise Perkins | Low Hazard | 16 ft | 1951 | Earth | South Dakota |
| William Greene Dam Newberry | Low Hazard | 26 ft | 1996 | — | South Carolina |
| William Greene Lake Dam Crisp | Low Hazard | 15 ft | — | Earth | Georgia |
| William Harlow Lake Dam San Saba | Low Hazard | 26 ft | 1971 | Earth | Texas |
| William Hayes Lake Dam Tift | Low Hazard | 12 ft | 1978 | Earth | Georgia |
| William Holly Pond Dam Kershaw | Low Hazard | 19 ft | 1960 | — | South Carolina |
| William Huether Pennington | Low Hazard | 22 ft | 1958 | Earth | South Dakota |
| William J. Cole Pond De Soto | Low Hazard | 15 ft | 1955 | Earth | Louisiana |
| William Jeffords Dam Spartanburg | Low Hazard | 22 ft | 1998 | — | South Carolina |
| William J Tucker Dam Lewis | Low Hazard | 7 ft | 1910 | Earth | New York |
| William J Weaver Dam Broome | Low Hazard | 13 ft | 1974 | Earth | New York |
| William K Plucknett Dam Harrison | Low Hazard | 27 ft | 1977 | Earth | Kentucky |
| William Leck Canadian | Low Hazard | 30 ft | 1978 | Earth | Oklahoma |
| William Lindenmyth Dam Aiken | Low Hazard | 31 ft | 1968 | — | South Carolina |
| William L Shadoan Dam Ballard | Low Hazard | 43 ft | 1979 | Earth | Kentucky |
| William Mead Dam Greene | Low Hazard | 17 ft | 1968 | Earth | New York |
| William O. Huske Lock and Dam Bladen | Low Hazard | — | 1935 | Concrete | North Carolina |
| William Olson Meade | Low Hazard | 23 ft | 1953 | Earth | South Dakota |
| William Ory Dam Madison | Low Hazard | 31 ft | 2018 | Earth | Iowa |
| William Parsons Wildlife Marsh Dam Ontario | Low Hazard | 10 ft | 1964 | Earth | New York |
| William Patterson Meade | Low Hazard | 18 ft | 1951 | Earth | South Dakota |
| William Penn Pike | Low Hazard | 10 ft | 1916 | Earth | Pennsylvania |
| William Phillips Dam At Bedford Lamar | Low Hazard | 18 ft | 1969 | Earth | Alabama |
| William P. Ransch Potter | Low Hazard | 12 ft | 1941 | Earth | South Dakota |
| William Proctor Lake Dam Shelby | Low Hazard | 24 ft | 1959 | Earth | Kentucky |
| William Riley Lake Dam Ohio | Low Hazard | 25 ft | 1965 | Earth | Kentucky |
| William Robertson Dam Custer | Low Hazard | 13 ft | 1960 | Earth | Nebraska |
| Williams Chester | Low Hazard | — | 1974 | Earth | Tennessee |
| Williams Somerset | Low Hazard | 45 ft | 1939 | Earth | Maine |
| Williams Santa Clara | Low Hazard | 69 ft | 1895 | Gravity | California |
| Williams Macon | Low Hazard | — | 1950 | Earth | Alabama |
| Williams Niobrara | Low Hazard | 23 ft | 1960 | Earth | Wyoming |
| Williams Shelby | Low Hazard | — | 1965 | Earth | Tennessee |
| Williams Windham | Low Hazard | 20 ft | 1900 | Concrete | Vermont |
| Williams Crook | Low Hazard | 30 ft | 1957 | Earth | Wyoming |
| Williams 783 Stanley | Low Hazard | 14 ft | 1938 | Earth | South Dakota |
| Williams & Blunk No. 1 Albany | Low Hazard | 24 ft | 1973 | Earth | Wyoming |
| Williams Company Dam Stutsman | Low Hazard | 16 ft | 1968 | Earth | North Dakota |
| Williams Coulee #2 Petroleum | Low Hazard | 18 ft | 1951 | Earth | Montana |
| Williams Creek #4 Dam Clay | Low Hazard | 46 ft | 1969 | Earth | Missouri |
| Williams Creek Lake Gunnison | Low Hazard | 19 ft | 1949 | Earth | Colorado |
| Williams Creek Watershed Dam 1 Clay | Low Hazard | 34 ft | 1971 | Earth | Missouri |