Irrigation Dams
9,419 dams in the US serve this purpose.
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| B. F. Sisk Merced | High Hazard | 305 ft | 1967 | Earth | California |
| Bibby Dam Sherman | Low Hazard | 35 ft | 1962 | Earth | Oregon |
| Bibey Pond Dam #1 Moore | High Hazard | — | — | Earth | North Carolina |
| Bibey Pond Dam #2 Moore | High Hazard | — | — | Earth | North Carolina |
| Bible Lake Dam Burnet | Low Hazard | 17 ft | 1945 | Earth | Texas |
| Bidwell Bar Canyon Saddle Butte | High Hazard | 47 ft | 1968 | Earth | California |
| Bidwell Lake Plumas | High Hazard | 35 ft | 1865 | Earth | California |
| Bieri Lakes Reservoir No 1 Levee Brazoria | Low Hazard | 9 ft | 1946 | Earth | Texas |
| Bieri Lakes Reservoir No 2 Levee Brazoria | Low Hazard | 9 ft | 1950 | Earth | Texas |
| Bieri Lakes Reservoir No 3 Levee Brazoria | Low Hazard | 9 ft | 1951 | Earth | Texas |
| Bieri Lakes Reservoir No 4 Levee Brazoria | Low Hazard | 9 ft | 1955 | Earth | Texas |
| Big Battlement Delta | High Hazard | 23 ft | 1949 | Earth | Colorado |
| Big Beaver Mesa | Significant Hazard | 30 ft | 1947 | Earth | Colorado |
| Big Bend Dam Lyman | High Hazard | — | 1963 | Earth | South Dakota |
| Big Casino Creek Dam Fergus | High Hazard | 68 ft | 1976 | Earth | Montana |
| Big Creek #1 Mesa | High Hazard | 23 ft | 1893 | Earth | Colorado |
| Big Creek #3 Mesa | High Hazard | 35 ft | 1893 | Earth | Colorado |
| Big Creek #4 Mesa | Low Hazard | 15 ft | 1893 | Earth | Colorado |
| Big Creek #5 Mesa | Low Hazard | 19 ft | 1894 | Earth | Colorado |
| Big Creek Lake Ravalli | Significant Hazard | 12 ft | 1892 | Concrete | Montana |
| Big Delaney Weston | Low Hazard | 25 ft | 1970 | Earth | Wyoming |
| Big Dobe North Modoc | Low Hazard | 9 ft | 1912 | Earth | California |
| Big Dobe South Modoc | Low Hazard | 11 ft | 1912 | Earth | California |
| Big East Utah | High Hazard | — | 1898 | Earth | Utah |
| Big Elk Wheatland | Significant Hazard | 21 ft | 1927 | Earth | Montana |
| Big Five Dam Pershing | Low Hazard | 8 ft | 1915 | Earth | Nevada |
| Big Four Ranch Kern | Significant Hazard | 38 ft | 1970 | Earth | California |
| Big Goose Park (3rd Enl.) Sheridan | High Hazard | 95 ft | 1958 | Earth | Wyoming |
| Big Horn Dike A Johnson | High Hazard | 45 ft | 1964 | Earth | Wyoming |
| Big Horn Dike B Johnson | High Hazard | 50 ft | 1964 | Earth | Wyoming |
| Big Horn Dike C Johnson | High Hazard | 50 ft | 1964 | Earth | Wyoming |
| Big John M Fergus | Low Hazard | 52 ft | 1972 | Earth | Montana |
| Big Johnson Modoc | Low Hazard | 18 ft | 1959 | Earth | California |
| Big Lake Sevier | Significant Hazard | — | 1979 | Earth | Utah |
| Big Lake Dam Bosque | Low Hazard | 54 ft | 1948 | Earth | Texas |
| Big Lake Dam Tyler | Significant Hazard | 21 ft | 1949 | Earth | Texas |
| Big Lake Dam Van Zandt | Low Hazard | 24 ft | 1959 | Earth | Texas |
| Big Lake No 1 Dam Harrison | Low Hazard | 23 ft | 1958 | Earth | Texas |
| Big Lake (Toole) Toole | Low Hazard | 9 ft | 1907 | Earth | Montana |
| Big Miller Lake Josephine | Low Hazard | 20 ft | 1961 | Earth | Oregon |
| Big Monitor #1 Montrose | Low Hazard | 19 ft | 1946 | Earth | Colorado |
| Big Monitor #2 Montrose | Low Hazard | 20 ft | 1946 | Earth | Colorado |
| Big (Phillips) Phillips | Low Hazard | 25 ft | 1956 | Earth | Montana |
| Big Pine Montezuma | Significant Hazard | 26 ft | 1907 | Earth | Colorado |
| Big Pine Creek Inyo | High Hazard | 14 ft | — | Rockfill | California |
| Big Plum Creek Dawson | Low Hazard | 74 ft | 1941 | Earth | Nebraska |
| Big Pond Dam Lonoke | Low Hazard | 16 ft | 1965 | Earth | Arkansas |
| Big Pond Dam Bulloch | Low Hazard | 13 ft | 1978 | Earth | Georgia |
| Big Racetrack Lake Dam Granite | Low Hazard | 24 ft | 1973 | Earth | Montana |
| Big Sage Modoc | High Hazard | 49 ft | 1921 | Earth | California |