Dams in Valley County, Montana
144Total Dams
0High Hazard
5Significant
Dam Safety in Valley County, Montana
Valley County has 144 dams tracked in the National Inventory of Dams. Another 5 carry a significant hazard classification. Currently, 44 dams have a condition assessment of poor or unsatisfactory.
The average dam in Valley County is 68 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Collins Detention Reservoir at 41 ft.
Explore more: Oldest dams in Montana · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Allie | Significant | 30 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Halverson | Significant | 27 | Irrigation | 1954 | |
| Sweet Carolyn | Significant | 26 | Fire Protection, Stock, Or Small Fish Pond | 1958 | |
| Cornwell | Significant | 23 | Irrigation | 1952 | |
| Tarum #2 | Significant | 18 | Irrigation | 1952 | |
| Collins Detention Reservoir | Low | 41 | Fire Protection, Stock, Or Small Fish Pond | 1957 | |
| Mcnab Dam | Low | Unsatisfactory | 39 | 2003 | |
| Gutshot Detention Dam | Low | Unsatisfactory | 38 | Flood Risk Reduction | 1965 |
| Triple Crossing | Low | 35 | Flood Risk Reduction | 1961 | |
| Ruins Detention Dam | Low | Poor | 35 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Fisher Dam | Low | 34 | Irrigation | 1978 | |
| Finale Detention Dam | Low | Poor | 34 | Flood Risk Reduction | 1965 |
| Triple Crossing Detention Dam | Low | Poor | 34 | Flood Risk Reduction | 1957 |
| Vandalia Diversion Dam | Low | Not Available | 32 | Irrigation | 1917 |
| Halfpint Detention Dam | Low | Poor | 32 | Flood Risk Reduction | 1965 |
| January Detention Dam | Low | Unsatisfactory | 31 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Kielman | Low | 30 | Irrigation | 1959 | |
| Ghost #2 | Low | 30 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| Foulweather Detention Dam | Low | Poor | 30 | Flood Risk Reduction | 1966 |
| Valley Dam | Low | Not Rated | 29 | ||
| Whitetail Detention Dam | Low | Poor | 29 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Sob Detention Dam | Low | Poor | 29 | Flood Risk Reduction | 1966 |
| Neufeld No 1 | Low | 28 | Flood Risk Reduction | 1966 | |
| Winkum Dam | Low | Satisfactory | 28 | ||
| Jones (valley) | Low | 27 | Irrigation | 1951 | |
| Greenwood #2 | Low | 27 | Recreation | 1970 | |
| Sheepshed Detention Dam | Low | Unsatisfactory | 27 | Flood Risk Reduction | 1954 |
| Vr-2 Detention Dam | Low | Poor | 27 | Fire Protection, Stock, Or Small Fish Pond | 1936 |
| Whatshername | Low | 26 | Fire Protection, Stock, Or Small Fish Pond | 1943 | |
| Long Horn #1 Dam | Low | Unsatisfactory | 26 | ||
| Romo | Low | 25 | Fire Protection, Stock, Or Small Fish Pond | 1962 | |
| Blatter | Low | 25 | Fire Protection, Stock, Or Small Fish Pond | 1945 | |
| Dyncan #2 | Low | 25 | Irrigation | 1964 | |
| Big Deal | Low | 25 | Fire Protection, Stock, Or Small Fish Pond | 1952 | |
| Blanchard Detention Dam X | Low | Unsatisfactory | 24 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Hard Pan Detention Dam | Low | Unsatisfactory | 24 | Flood Risk Reduction | 1954 |
| South Beaver Detention Dam | Low | Unsatisfactory | 24 | Fire Protection, Stock, Or Small Fish Pond | 1957 |
| Two Forks Detention Dam | Low | Poor | 24 | Fire Protection, Stock, Or Small Fish Pond | 1956 |
| Hard Rock Detention Dam | Low | Poor | 24 | Flood Risk Reduction | 1965 |
| Chico Flats | Low | 23 | Fire Protection, Stock, Or Small Fish Pond | 1956 | |
| Saskview Dam | Low | Not Rated | 23 | 2003 | |
| Ward Dam | Low | Fair | 23 | Fish and Wildlife Pond | 2003 |
| Hurricane Detention Dam | Low | Unsatisfactory | 23 | Fire Protection, Stock, Or Small Fish Pond | 1957 |
| Vr-80 Retention Dam | Low | Not Rated | 23 | Fire Protection, Stock, Or Small Fish Pond | 2003 |
| Tomahawk Detention Dam | Low | Unsatisfactory | 23 | Flood Risk Reduction | 1962 |
| Collins | Low | 22 | Fire Protection, Stock, Or Small Fish Pond | 1955 | |
| Weson | Low | 22 | Irrigation | 1951 | |
| The Man Dam | Low | Not Rated | 22 | ||
| Moccasin Detention Dam | Low | Unsatisfactory | 22 | Fire Protection, Stock, Or Small Fish Pond | 1957 |
| Judy Detention Dam | Low | Satisfactory | 22 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Deep Cut Detention Dam | Low | Fair | 22 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Grub Detention Dam | Low | Unsatisfactory | 21 | Flood Risk Reduction | 1964 |
| Camp Detention Dam | Low | Unsatisfactory | 21 | Flood Risk Reduction | 1954 |
| Skeeter Detention Dam | Low | Unsatisfactory | 21 | Flood Risk Reduction | 1964 |
| Half Barrel Detention Dam | Low | Unsatisfactory | 21 | Fire Protection, Stock, Or Small Fish Pond | 1956 |
| Longhorn #1/horny Detention Dam | Low | Fair | 21 | Flood Risk Reduction | 1966 |
| Desert | Low | 20 | Flood Risk Reduction | 1956 | |
| Fisher | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1979 | |
| Eddie #2 | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| Hunter (valley) | Low | 20 | Irrigation | 1963 | |
| Horgan Reservoir | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1952 | |
| Ghost #1 | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Professor Pool | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| Toprail Dam | Low | Unsatisfactory | 20 | ||
| Pines Dam | Low | Unsatisfactory | 20 | ||
| Forrest Detention Dam | Low | Poor | 20 | Fire Protection, Stock, Or Small Fish Pond | 1957 |
| Itcaina Detention Dam | Low | Satisfactory | 20 | Fire Protection, Stock, Or Small Fish Pond | 1957 |
| Corral Junction Detention #2 Dam | Low | Unsatisfactory | 20 | Flood Risk Reduction | 1954 |
| Sweo | Low | 19 | Fire Protection, Stock, Or Small Fish Pond | 1945 | |
| Buffalo | Low | 19 | Irrigation | 1910 | |
| Hanson | Low | 19 | Irrigation | 1965 | |
| Dubbe Reservoir | Low | 19 | Fire Protection, Stock, Or Small Fish Pond | 1937 | |
| Dam #168 | Low | Not Rated | 19 | ||
| North Fork Plug Dam | Low | Unsatisfactory | 19 | ||
| Tuff Retention Dam | Low | Not Rated | 19 | Flood Risk Reduction | 1975 |
| Hamms Detention Dam | Low | Unsatisfactory | 19 | Fire Protection, Stock, Or Small Fish Pond | 1957 |
| Jim Detention Dam | Low | Satisfactory | 19 | Flood Risk Reduction | 1964 |
| Badger Detention Dam | Low | Unsatisfactory | 19 | Fire Protection, Stock, Or Small Fish Pond | 1938 |
| Lori Detention Dam | Low | Unsatisfactory | 19 | Flood Risk Reduction | 1964 |
| North Beaver Detention Dam | Low | Unsatisfactory | 19 | Flood Risk Reduction | 1957 |
| Double Crossing Detention Dam | Low | Unsatisfactory | 19 | Flood Risk Reduction | 1962 |
| Dividend | Low | 18 | Other | 1964 | |
| Bobsland Dam | Low | 18 | Fire Protection, Stock, Or Small Fish Pond | 1955 | |
| Brown Cow Dam | Low | Not Rated | 18 | ||
| Atlas Dam | Low | Not Rated | 18 | Fish and Wildlife Pond | 1984 |
| Target Detention Dam | Low | Unsatisfactory | 18 | Flood Risk Reduction | 1964 |
| U.l.t. Detention Dam | Low | Poor | 18 | Flood Risk Reduction | 1966 |
| Ghost #5 | Low | 17 | Fire Protection, Stock, Or Small Fish Pond | 1953 | |
| Leo Bergtoll Irrigation Dam | Low | 17 | Irrigation | 1981 | |
| Bugs Detention Dam | Low | Not Rated | 17 | Flood Risk Reduction | 1977 |
| Script Detention Dam | Low | Fair | 17 | Fire Protection, Stock, Or Small Fish Pond | 1957 |
| Vr-77 Retention Dam | Low | Poor | 17 | Fire Protection, Stock, Or Small Fish Pond | 2003 |
| Arrambide Detention Dam X | Low | Fair | 17 | Fire Protection, Stock, Or Small Fish Pond | 1957 |
| Whatshisname | Low | 16 | Irrigation | 1909 | |
| Beaver Tooth | Low | 16 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| Carpenter Creek | Low | 16 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| Long Horn #4 | Low | 16 | Fire Protection, Stock, Or Small Fish Pond | 1952 | |
| Hovland | Low | 16 | Fire Protection, Stock, Or Small Fish Pond | 1959 | |
| Jordan Dam | Low | Unsatisfactory | 16 | ||
| Little Brazil | Low | 16 | Fire Protection, Stock, Or Small Fish Pond | 1939 | |
| Willow Creek Flat Dam (valley) | Low | Unsatisfactory | 16 | ||
| Three Trees Detention Dam | Low | Unsatisfactory | 16 | Flood Risk Reduction | 1954 |
| Dead Horse Detention Dam | Low | Satisfactory | 16 | Flood Risk Reduction | 1960 |
| Nelsons | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1947 | |
| A Anderson | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Chambers | Low | 15 | Irrigation | 1948 | |
| Nyquist #1 | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Tigar Milk | Low | 15 | Irrigation | 1965 | |
| Barnard (valley) | Low | 15 | Irrigation | 1953 | |
| Ellsworth | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1963 | |
| Tarum | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Remulac | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1930 | |
| Ghost #6 | Low | 15 | Other | 1966 | |
| Eddie #1 | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1969 | |
| Clover Drop Dam | Low | Satisfactory | 15 | ||
| Ghost #3 | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1930 | |
| Vr-57 Dam | Low | Not Rated | 15 | ||
| Vr-72 Dam | Low | Not Rated | 15 | Flood Risk Reduction | 2003 |
| Frank Jenson #1 | Low | 14 | Fire Protection, Stock, Or Small Fish Pond | 1946 | |
| Chapman Dam | Low | Not Rated | 14 | 2003 | |
| Maraschino | Low | 14 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Little Brazil #3 | Low | 14 | Fire Protection, Stock, Or Small Fish Pond | 1948 | |
| Alkali Detention Dam | Low | Unsatisfactory | 14 | Fire Protection, Stock, Or Small Fish Pond | 1958 |
| Tepee Detention Dam | Low | Unsatisfactory | 14 | Fire Protection, Stock, Or Small Fish Pond | 1958 |
| Frazer | Low | Not Rated | 14 | Fire Protection, Stock, Or Small Fish Pond | 1913 |
| Bomber | Low | 13 | Flood Risk Reduction | 1953 | |
| Cain Dam | Low | 13 | Irrigation | 1901 | |
| Big Rock Detention Dam | Low | Unsatisfactory | 13 | Flood Risk Reduction | 1961 |
| Pippen | Low | 12 | Fire Protection, Stock, Or Small Fish Pond | 1925 | |
| Blue Cheese | Low | 12 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| Mrcla #5 | Low | 12 | Fire Protection, Stock, Or Small Fish Pond | 1935 | |
| Conehead Dam | Low | Not Rated | 12 | ||
| Morgan #1 | Low | 10 | Irrigation | 1967 | |
| Road Reservoir | Low | 10 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| Mccuin | Low | 10 | Irrigation | 1930 | |
| A Nichols | Low | 10 | Fire Protection, Stock, Or Small Fish Pond | 1967 | |
| Paulo Dam | Low | Not Rated | 10 | 2003 | |
| Neufeld No 2 | Low | 10 | Fire Protection, Stock, Or Small Fish Pond | 1966 | |
| Glasgow Sewage Lagoon | Low | 9 | Fire Protection, Stock, Or Small Fish Pond | 1955 | |
| Mahan And Hoyt Reservoir | Low | 8 | Irrigation | 1915 | |
| Don #1 | Low | 8 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Vip Sewage Disposal Lagoons #1 | Low | 8 | Other | 1954 | |
| Wagner | Low | 7 | Irrigation | 1962 | |
| Eddie #6 | Low | 7 | Fire Protection, Stock, Or Small Fish Pond | 1970 |