Browse All Dams
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Yellow River Rc&D WS Str. Y-3 Gwinnett | High Hazard | 36 ft | 1967 | Earth | Georgia |
| Yellow Rose Ranch Dam 1 Wood | Low Hazard | 18 ft | — | Earth | Texas |
| Yellow Sarpy Treasure | Low Hazard | 25 ft | 1965 | Earth | Montana |
| Yellowsmoke Park Dam Crawford | High Hazard | 59 ft | 1980 | Earth | Iowa |
| Yellowsmoke Watershed Site D-1 Crawford | Low Hazard | 24 ft | 1989 | Earth | Iowa |
| Yellowsmoke Watershed Site D-2 Crawford | Low Hazard | 25 ft | 1989 | Earth | Iowa |
| Yellowstone Lafayette | High Hazard | 32 ft | 1953 | Gravity | Wisconsin |
| Yellowstone Power Diversion Duchesne | Low Hazard | — | 1942 | Other | Utah |
| Yellowtail Big Horn | High Hazard | 491 ft | 1966 | Concrete | Montana |
| Yellow Water Dike Petroleum | High Hazard | 11 ft | 1938 | Rockfill | Montana |
| Yellow Water Main Dam Petroleum | High Hazard | 37 ft | 1938 | Rockfill | Montana |
| Yellowwood Lake Dam Brown | High Hazard | 41 ft | 1939 | Earth | Indiana |
| Yelm Canal Dike Thurston | High Hazard | 35 ft | 1930 | Earth | Washington |
| Yelton Dam Rutherford | Significant Hazard | — | — | Earth | North Carolina |
| Yelton Lake Dam Bracken | Low Hazard | 35 ft | 1975 | Earth | Kentucky |
| Yelton Lake Dam Warren | Low Hazard | 26 ft | — | Earth | Georgia |
| Yelverton Pond Dam Hinds | Unknown | 14 ft | — | Earth | Mississippi |
| Yelvertons Lake Dam Hinds | Low Hazard | 12 ft | 1948 | Earth | Mississippi |
| Yergens & Anselmo Dam No 1 Pend Oreille | Low Hazard | — | 1970 | Earth | Washington |
| Yerger Lake Dam Madison | Low Hazard | 15 ft | — | Earth | Mississippi |
| Yerington Bb Dam Lyon | Low Hazard | 10 ft | — | Earth | Nevada |
| Yerington Mill Dam Lyon | Significant Hazard | 90 ft | — | Earth | Nevada |
| Yerington No 2 Dam Lyon | Significant Hazard | 10 ft | — | Earth | Nevada |
| Yesness Natrona | Low Hazard | 26 ft | 1944 | Earth | Wyoming |
| Yesterday South Lake Dam Tate | High Hazard | 24 ft | — | Earth | Mississippi |
| Yett Creek Park Dam Travis | High Hazard | 16 ft | 1996 | Earth | Texas |
| Yielding Lake Dam Shelby | Significant Hazard | — | 1965 | Earth | Alabama |
| Yingst Dauphin | Significant Hazard | 16 ft | 1999 | Earth | Pennsylvania |
| Ylsa Lake Dam Monroe | Significant Hazard | 20 ft | 1995 | Earth | Illinois |
| Ylyvaal Lake Dam Ulster | Low Hazard | 12 ft | 1973 | Earth | New York |
| Ymca Camp Classen No.1 Murray | Significant Hazard | 30 ft | 1940 | Earth | Oklahoma |
| Ymca Camp Classen No. 2 Murray | Significant Hazard | 40 ft | 1968 | Earth | Oklahoma |
| Ymca Camp Farnam Pond Dam Middlesex | Significant Hazard | 26 ft | 1931 | Concrete | Connecticut |
| Ymca Camp Mcalister Dam Orange | High Hazard | 26 ft | 1955 | Earth | New York |
| Ymca Camp Takodah Sewage Lagoon Dam Cheshire | Significant Hazard | 8 ft | 1940 | Earth | New Hampshire |
| Ymca Pond Dam Clinton | Low Hazard | 33 ft | 1971 | Earth | New York |
| Ymca Pond Dam New London | Low Hazard | 7 ft | 1920 | Earth | Connecticut |
| Yoder Henry | Low Hazard | — | 1998 | Earth | Tennessee |
| Yoder Caviness Pond Dam Lamar | Low Hazard | 28 ft | 1981 | Earth | Texas |
| Yogi Bear Jellystone-Raintree Lake Dam Scott | Significant Hazard | 24 ft | 1955 | Earth | Indiana |
| Yokom Reservoir Grant | Low Hazard | 25 ft | 1947 | Earth | Oregon |
| Yokum Pond Dam Berkshire | Significant Hazard | 9 ft | — | Earth | Massachusetts |
| Yonah Oconee | High Hazard | 90 ft | 1925 | Gravity | Georgia |
| Yoncalla Reservoir Douglas | Low Hazard | 16 ft | 1983 | Earth | Oregon |
| Yonce Dam Edgefield | Significant Hazard | 26 ft | 1910 | — | South Carolina |
| Yonce Millpond Dam Aiken | Low Hazard | 17 ft | 1958 | — | South Carolina |
| Yonce Pond Dam Laurens | Low Hazard | 19 ft | 1953 | — | South Carolina |
| Yonce Pond Dam Edgefield | Low Hazard | 26 ft | 1978 | — | South Carolina |
| Yonces Pond Dam Saluda | Low Hazard | 14 ft | 1955 | — | South Carolina |
| Yonkipin Lake Rogers | Low Hazard | 20 ft | 1950 | Earth | Oklahoma |