35Total Dams
8High Hazard
5Significant
Dam Safety in Wheatland County, Montana
Wheatland County has 35 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 5 carry a significant hazard classification. Currently, 1 dam has a condition assessment of poor or unsatisfactory.
The average dam in Wheatland County is 68 years old. The most common purpose is irrigation. The tallest dam is Martinsdale, North Dam at 91 ft.
Explore more: Oldest dams in Montana · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Martinsdale, North Dam | High | Satisfactory | 91 | Irrigation | 1939 |
| Deadmans Basin Dam | High | Satisfactory | 60 | Irrigation | 1941 |
| Martinsdale, East Dam | High | Poor | 49 | Irrigation | 1939 |
| Jawbone Dam #2 | High | Satisfactory | 36 | Flood Risk Reduction | 1966 |
| Jawbone Dam #1 | High | Satisfactory | 35 | Flood Risk Reduction | 1966 |
| Lebo #3,east Dam | High | Satisfactory | 27 | Irrigation | 1973 |
| Deadmans Basin Dike | High | Satisfactory | 23 | Irrigation | 1941 |
| Jawbone Dike #1 | High | Satisfactory | 13 | Flood Risk Reduction | 1966 |
| Mcfarland-white | Significant | Not assessed | 35 | Irrigation | 1968 |
| Deadmans Basin Water Supply Canal Storage Reservoir #5 | Significant | Not assessed | 30 | Water Supply | |
| Big Elk | Significant | Not assessed | 21 | Irrigation | 1927 |
| Lebo #2 Ne Dam | Significant | Fair | 15 | Irrigation | 1969 |
| White Elk (wheatland) | Significant | Not assessed | 14 | Irrigation | 1927 |
| Deadmans Basin Water Supply Canal Storage Reservoir #2 | Low | Not assessed | 33 | Water Supply | |
| Twodot | Low | Not assessed | 31 | Irrigation | 1953 |
| Haymaker Dam | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1978 |
| Cinnamon #4 | Low | Not assessed | 30 | Irrigation | 1973 |
| Volf, C. | Low | Not assessed | 29 | Irrigation | 1971 |
| Deadmans Basin Water Supply Canal Storage Reservoir #6 | Low | Not assessed | 28 | Water Supply | |
| Wheat Crop | Low | Not assessed | 27 | Fire Protection, Stock, Or Small Fish Pond | 1938 |
| Ozone Layer | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Lammers #1 | Low | Not assessed | 25 | Irrigation | 1984 |
| Nelson Irrigation (wheatland) | Low | Not assessed | 25 | Irrigation | 1956 |
| Berg | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1948 |
| Airpump | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Cinnamon #10 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1947 |
| Cinnamon #3 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1976 |
| Fox, Bill Irrigation | Low | Not assessed | 20 | Irrigation | 1941 |
| Cinnamon #2 | Low | Not assessed | 19 | Irrigation | 1974 |
| Cinnamon #1 | Low | Not assessed | 15 | Irrigation | 1972 |
| Cinnamon #6 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Griffith | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1959 |
| Harlowton Sewage Lagoon | Low | Not assessed | 10 | Other | 1958 |
| Grazing Antelope | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1978 |
| White Elk Dam #2 | Low | Not assessed | 8 | Irrigation | 1927 |