49Total Dams
0High Hazard
1Significant
Dam Safety in Prairie County, Montana
Prairie County has 49 dams tracked in the National Inventory of Dams. Another 1 carry a significant hazard classification. Currently, 3 dams have a condition assessment of poor or unsatisfactory.
The average dam in Prairie County is 68 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Swift (prairie) at 40 ft.
Explore more: Oldest dams in Montana · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Pfaff Irrigation | Significant | Not assessed | 28 | Irrigation | 1957 |
| Swift (prairie) | Low | Not assessed | 40 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Agate Flat Dam | Low | Satisfactory | 32 | ||
| Coal Creek Drop Dam | Low | Satisfactory | 31 | Flood Risk Reduction | |
| Coal Creek Detention Dam | Low | Poor | 31 | Fire Protection, Stock, Or Small Fish Pond | 1963 |
| Payton #1 | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1956 |
| Payton #2 | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1954 |
| Clark (prairie) | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1938 |
| Custer Creek | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| Hunter Creek | Low | Not assessed | 30 | Irrigation | 1932 |
| Minutemen | Low | Not assessed | 30 | Irrigation | 1952 |
| Mcmullin Bros Detention | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1966 |
| Olson (prairie) | Low | Not assessed | 30 | Irrigation | 1963 |
| Mcmullin Bros Cooperative | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1964 |
| Mcmullin Bros Upper | Low | Not assessed | 30 | Irrigation | 1960 |
| Cabin | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1954 |
| Lower | Low | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| Ash Creek | Low | Not assessed | 29 | Irrigation | 1951 |
| Clark Retention Dam | Low | Not assessed | 28 | Fire Protection, Stock, Or Small Fish Pond | 2003 |
| South Fork Detention Dam | Low | Poor | 28 | Fire Protection, Stock, Or Small Fish Pond | 1964 |
| Wesley #1 | Low | Not assessed | 25 | Irrigation | 1957 |
| Wesley #2 | Low | Not assessed | 25 | Irrigation | 1890 |
| Dondarlee #1 | Low | Not assessed | 21 | Fire Protection, Stock, Or Small Fish Pond | 1948 |
| Mgdevlon Dam | Low | Not assessed | 21 | ||
| Homestead Retention Dam | Low | Unsatisfactory | 21 | Fire Protection, Stock, Or Small Fish Pond | 1964 |
| Schwartz | Low | Not assessed | 20 | Irrigation | 1950 |
| Saucer #5 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| Hines #1 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Saucer #3 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| Harmes Dam | Low | Not assessed | 20 | ||
| Duck/sugrast Dam | Low | Not assessed | 20 | ||
| Schlenker Retention Dam | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 2003 |
| Grant Dam | Low | Not assessed | 19 | ||
| Janitell #1 | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1949 |
| Hyde #2 | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Saucer #6 | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1944 |
| Mgdevlin #2 | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1954 |
| Shumaker #1 | Low | Not assessed | 18 | Irrigation | 1965 |
| Silvertip Retention Dam | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 2003 |
| Hines #2 | Low | Not assessed | 17 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Saucer #2 | Low | Not assessed | 16 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| Saucer #1 | Low | Not assessed | 15 | Irrigation | 1948 |
| Nefsy #3 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1953 |
| Mcclure Detention Dam | Low | Fair | 15 | Fire Protection, Stock, Or Small Fish Pond | 2003 |
| Pfaft #1 | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1942 |
| Innes Dam | Low | Not assessed | 14 | ||
| Terry Sewage Ponds | Low | Not assessed | 11 | Other | 1963 |
| Saucer #4 | Low | Not assessed | 10 | Irrigation | 1964 |
| Nefsy #2 | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1950 |