37Total Dams
8High Hazard
4Significant
Dam Safety in Powell County, Montana
Powell County has 37 dams tracked in the National Inventory of Dams. Of these, 8 are classified as high hazard — meaning failure would probably cause loss of human life. Another 4 carry a significant hazard classification. Currently, 1 dam has a condition assessment of poor or unsatisfactory.
The average dam in Powell County is 70 years old. The most common purpose is irrigation. The tallest dam is Nevada Creek Dam at 105 ft.
Explore more: Oldest dams in Montana · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Nevada Creek Dam | High | Satisfactory | 105 | Irrigation | 1938 |
| Powell | High | Poor | 52 | Irrigation | 1981 |
| Taylor, Upper | High | Satisfactory | 43 | Irrigation | 1951 |
| Mckay Creek | High | Fair | 33 | Irrigation | 1955 |
| Kerns Lake (powell) | High | Fair | 26 | Irrigation | 1965 |
| MUD Lake | High | Fair | 25 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Tin Cup Lake (powell) | High | Fair | 19 | Irrigation | 1965 |
| Doney Lake #2 (powell) | High | Fair | 14 | Irrigation | 1942 |
| Davis Creek Dam | Significant | Not assessed | 38 | Irrigation | 1960 |
| Dog Creek Reservoir | Significant | Not assessed | 33 | Irrigation | 1954 |
| Rock Creek Lake | Significant | Not assessed | 30 | Water Supply | 1960 |
| Manley #2 | Significant | Not assessed | 25 | Irrigation | 1964 |
| Mannix | Low | Not assessed | 30 | Irrigation | 1962 |
| Parker Reservoir | Low | Not assessed | 30 | Irrigation | 1961 |
| Priced Name | Low | Not assessed | 30 | Irrigation | 1962 |
| Bowman Lake 3 | Low | Not assessed | 26 | Irrigation | 1962 |
| Gravely | Low | Not assessed | 25 | Irrigation | 1973 |
| Miller Lake (powell) | Low | Not assessed | 25 | Irrigation | 1962 |
| Rock Creek Lake Dam | Low | Not assessed | 25 | Irrigation | 1900 |
| Hoover Creek Dam | Low | Not assessed | 25 | Irrigation | 1972 |
| Lois Lake | Low | Not assessed | 23 | Irrigation | 1966 |
| Bowman Lake 1 | Low | Not assessed | 22 | Irrigation | 1958 |
| Christopher Columbus | Low | Not assessed | 20 | Irrigation | 1962 |
| Wales Creek Reservoir | Low | Not assessed | 20 | Irrigation | 1953 |
| Bowman Lake 2 | Low | Not assessed | 20 | Irrigation | 1961 |
| Shoup Lake | Low | Not assessed | 18 | Irrigation | 1925 |
| Wales-meyer Pond 2 | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1991 |
| Doney Lake Dam | Low | Not assessed | 18 | Irrigation | 1946 |
| Manley #3 | Low | Not assessed | 15 | Irrigation | 1974 |
| Beaver Pond | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| Bandy Reservoir | Low | Not assessed | 15 | Irrigation | 1937 |
| Caruthers Lake | Low | Not assessed | 11 | Irrigation | 1973 |
| Conleys Lake (powell) | Low | Not assessed | 11 | Irrigation | 1958 |
| Manley #1 | Low | Not assessed | 10 | Irrigation | 1964 |
| Lower Elliot Lake | Low | Not assessed | 10 | Irrigation | 1924 |
| Mountain Ben | Low | Not assessed | 9 | Irrigation | 1920 |
| Deer Lodge Sewage Lagoon | Low | Not assessed | 8 | Other | 1960 |