Dams in Big Horn County, Wyoming
47Total Dams
3High Hazard
5Significant
Dam Safety in Big Horn County, Wyoming
Big Horn County has 47 dams tracked in the National Inventory of Dams. Of these, 3 are classified as high hazard — meaning failure would probably cause loss of human life. Another 5 carry a significant hazard classification. Currently, 28 dams have a condition assessment of poor or unsatisfactory.
The average dam in Big Horn County is 59 years old. The most common purpose is irrigation. The tallest dam is Adelaide at 74 ft.
Explore more: Oldest dams in Wyoming · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Adelaide | High | 74 | Irrigation | 1990 | |
| Shell Creek | High | 50 | Irrigation | 1957 | |
| Leavitt | High | Poor | 45 | Irrigation | 1956 |
| Crosby | Significant | Poor | 40 | Irrigation | 1980 |
| Fairview Extension | Significant | 37 | Irrigation | 1972 | |
| Harrington | Significant | Poor | 30 | Irrigation | 1974 |
| Garnett | Significant | Poor | 30 | Irrigation | 1944 |
| Greybull Sewage Treatment Lagoon | Significant | Fair | 8 | Other | 1960 |
| Bischoff | Low | Poor | 56 | Irrigation | 1977 |
| Ewen | Low | Poor | 40 | Irrigation | 1946 |
| Miller #1 - Second Enlargement | Low | Fair | 39 | Irrigation | 1972 |
| Eberhard No. 1 | Low | Poor | 37 | Irrigation | |
| Bench Canal | Low | Fair | 35 | Irrigation | 1969 |
| Albert Wardell No. 1 | Low | Poor | 35 | Irrigation | 1973 |
| Bischoff Creek | Low | Fair | 34 | Irrigation | 1974 |
| Red Spires Detention | Low | Unsatisfactory | 34 | Other | 2003 |
| Flockhart Dam | Low | Poor | 32 | ||
| Five Springs No. 2 | Low | Poor | 32 | Irrigation | 1970 |
| Blue Ridge Detention | Low | Poor | 31 | Recreation | 1961 |
| Horseshoe | Low | Poor | 30 | Fish and Wildlife Pond | 1969 |
| Brown No. 2 | Low | Poor | 30 | Irrigation | 1913 |
| Brown No. 1 | Low | Poor | 30 | Irrigation | 1913 |
| Ewen - Pence Gulch | Low | Poor | 30 | Irrigation | 1953 |
| Ikey | Low | Fair | 29 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Sandstone Dam | Low | Unsatisfactory | 28 | Other | 2003 |
| Bill Leavitt Reservoir | Low | Unsatisfactory | 27 | Debris Control | |
| Walters | Low | Poor | 26 | Irrigation | 1978 |
| Lake Mckinney | Low | Fair | 26 | Irrigation | 1939 |
| Tommy Tucker Dam | Low | Not Rated | 26 | Flood Risk Reduction | |
| Lampman | Low | Fair | 25 | Fire Protection, Stock, Or Small Fish Pond | |
| Perkins | Low | Poor | 25 | Irrigation | 1964 |
| Larry's Last Chance | Low | Poor | 25 | Flood Risk Reduction | 1965 |
| Lsrcd Section 13 | Low | Fair | 25 | Water Supply | 1997 |
| Five Springs No. 1 | Low | Poor | 24 | Irrigation | 1970 |
| Sore Finger | Low | Fair | 24 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Snyder No. 1 | Low | Fair | 21 | Irrigation | 1995 |
| Snyder No. 2 | Low | Fair | 21 | Irrigation | 1994 |
| Buffalo Flat | Low | Unsatisfactory | 20 | Water Supply | |
| White | Low | Poor | 20 | Irrigation | 1914 |
| N & S | Low | Fair | 20 | Irrigation | 1946 |
| Lewis | Low | Poor | 19 | Irrigation | 1948 |
| Renner | Low | Fair | 16 | Irrigation | 1950 |
| Kane Cemetery | Low | Poor | 16 | Fish and Wildlife Pond | 1988 |
| Bethurem | Low | Poor | 15 | Irrigation | 1918 |
| Phipps No. 1 | Low | Fair | 15 | Recreation | 1999 |
| Wetlands No. 6 | Low | Fair | 9 | Fish and Wildlife Pond | 1993 |
| Leck Mayes | Low | Poor | 8 | Fish and Wildlife Pond | 1992 |