Dams in Petroleum County, Montana
55Total Dams
5High Hazard
1Significant
Dam Safety in Petroleum County, Montana
Petroleum County has 55 dams tracked in the National Inventory of Dams. Of these, 5 are classified as high hazard — meaning failure would probably cause loss of human life. Another 1 carry a significant hazard classification. Currently, 3 dams have a condition assessment of poor or unsatisfactory.
The average dam in Petroleum County is 67 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Petrolia at 76 ft.
Explore more: Oldest dams in Montana · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Petrolia | High | Poor | 76 | Irrigation | 1951 |
| Dry Blood Creek Dam | High | Fair | 40 | Flood Risk Reduction | 1964 |
| Yellow Water Main Dam | High | Fair | 37 | Irrigation | 1938 |
| Duck Creek Retention Dam | High | Satisfactory | 16 | Fire Protection, Stock, Or Small Fish Pond | 2003 |
| Yellow Water Dike | High | Satisfactory | 11 | Irrigation | 1938 |
| Torger Dam | Significant | 18 | Irrigation | 1976 | |
| South Fork Dry Blood Creek Detention Dam | Low | Fair | 36 | Flood Risk Reduction | 1963 |
| Drag Creek Retention Dam | Low | Fair | 35 | Flood Risk Reduction | 1964 |
| State-klamert | Low | 32 | |||
| Hassett #1 | Low | 30 | Irrigation | 1944 | |
| Hassett #3 | Low | 30 | Irrigation | 1958 | |
| Manuel #1 | Low | 30 | Fire Protection, Stock, Or Small Fish Pond | 1949 | |
| Headman Dam | Low | Not Rated | 30 | ||
| L&v Rowten #1 | Low | 30 | Fire Protection, Stock, Or Small Fish Pond | 1963 | |
| Shale Creek | Low | 29 | Irrigation | 1957 | |
| Gardner Dam | Low | 27 | Irrigation | 1989 | |
| Lewis Dam #1 Pd | Low | Not Rated | 26 | ||
| Deep Coulee | Low | 25 | Water Supply | 1971 | |
| Sharkey #1 | Low | 25 | Fire Protection, Stock, Or Small Fish Pond | 1965 | |
| Damschen #2 | Low | 25 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Howard Coulee #1 | Low | 25 | Fire Protection, Stock, Or Small Fish Pond | 1939 | |
| Weingart Land & Livestock #1 | Low | 25 | Fire Protection, Stock, Or Small Fish Pond | 1959 | |
| Bethel #11 | Low | 22 | Fire Protection, Stock, Or Small Fish Pond | 1957 | |
| B Shaw #1 | Low | 22 | Irrigation | 1947 | |
| Iverson Retention Dam | Low | Poor | 22 | Flood Risk Reduction | 1968 |
| Goffena #2 | Low | 21 | Fire Protection, Stock, Or Small Fish Pond | 1953 | |
| Bethel #1 | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1955 | |
| Bethel #4 | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1955 | |
| Goffena #4 | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1948 | |
| Brady #4 | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1945 | |
| Manuel #2 | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1969 | |
| Dovetail #1 | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1961 | |
| Sandman #1 | Low | 20 | Irrigation | 1960 | |
| Clamhopper #1 | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| N Barrett #2 | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1938 | |
| Delaney #2 | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1959 | |
| Eliasson (petroleum) | Low | 19 | Fire Protection, Stock, Or Small Fish Pond | 1939 | |
| Wiggins #3 | Low | 19 | Irrigation | 1967 | |
| Felt Coulee Dam | Low | 19 | Irrigation | 1971 | |
| Zimmerman Retention Dam #1 | Low | Not Rated | 19 | Fire Protection, Stock, Or Small Fish Pond | 2003 |
| Seminary #10 | Low | 18 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| Bethel #7 | Low | 18 | Fire Protection, Stock, Or Small Fish Pond | 1955 | |
| Williams Coulee #2 | Low | 18 | Fire Protection, Stock, Or Small Fish Pond | 1951 | |
| H Stensvad #1 | Low | 18 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| H Stensvad #2 | Low | 18 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| Little Bear/us #37 Dam | Low | Poor | 17 | Irrigation | |
| Brady #2 | Low | 16 | Fire Protection, Stock, Or Small Fish Pond | 1967 | |
| Frazer #1 | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1958 | |
| N Barnett #1 | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1964 | |
| Hassett #2 | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1959 | |
| Harris #1 | Low | 14 | Irrigation | 1975 | |
| Wiggins #2 | Low | 12 | Irrigation | 1955 | |
| Ostleer Dam | Low | Not Rated | 12 | Fish and Wildlife Pond | |
| J King #2 | Low | 12 | Fire Protection, Stock, Or Small Fish Pond | 1936 | |
| J King #1 | Low | 8 | Fire Protection, Stock, Or Small Fish Pond | 1945 |