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 | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Halverson | Significant | Not assessed | 27 | Irrigation | 1954 |
| Sweet Carolyn | Significant | Not assessed | 26 | Fire Protection, Stock, Or Small Fish Pond | 1958 |
| Cornwell | Significant | Not assessed | 23 | Irrigation | 1952 |
| Tarum #2 | Significant | Not assessed | 18 | Irrigation | 1952 |
| Collins Detention Reservoir | Low | Not assessed | 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 | Not assessed | 35 | Flood Risk Reduction | 1961 |
| Ruins Detention Dam | Low | Poor | 35 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Fisher Dam | Low | Not assessed | 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 assessed | 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 | Not assessed | 30 | Irrigation | 1959 |
| Ghost #2 | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Foulweather Detention Dam | Low | Poor | 30 | Flood Risk Reduction | 1966 |
| Valley Dam | Low | Not assessed | 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 | Not assessed | 28 | Flood Risk Reduction | 1966 |
| Winkum Dam | Low | Satisfactory | 28 | ||
| Jones (valley) | Low | Not assessed | 27 | Irrigation | 1951 |
| Greenwood #2 | Low | Not assessed | 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 | Not assessed | 26 | Fire Protection, Stock, Or Small Fish Pond | 1943 |
| Long Horn #1 Dam | Low | Unsatisfactory | 26 | ||
| Romo | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| Blatter | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| Dyncan #2 | Low | Not assessed | 25 | Irrigation | 1964 |
| Big Deal | Low | Not assessed | 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 | Not assessed | 23 | Fire Protection, Stock, Or Small Fish Pond | 1956 |
| Saskview Dam | Low | Not assessed | 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 assessed | 23 | Fire Protection, Stock, Or Small Fish Pond | 2003 |
| Tomahawk Detention Dam | Low | Unsatisfactory | 23 | Flood Risk Reduction | 1962 |
| Collins | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1955 |
| Weson | Low | Not assessed | 22 | Irrigation | 1951 |
| The Man Dam | Low | Not assessed | 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 | Not assessed | 20 | Flood Risk Reduction | 1956 |
| Fisher | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1979 |
| Eddie #2 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Hunter (valley) | Low | Not assessed | 20 | Irrigation | 1963 |
| Horgan Reservoir | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1952 |
| Ghost #1 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Professor Pool | Low | Not assessed | 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 | Not assessed | 19 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| Buffalo | Low | Not assessed | 19 | Irrigation | 1910 |
| Hanson | Low | Not assessed | 19 | Irrigation | 1965 |
| Dubbe Reservoir | Low | Not assessed | 19 | Fire Protection, Stock, Or Small Fish Pond | 1937 |
| Dam #168 | Low | Not assessed | 19 | ||
| North Fork Plug Dam | Low | Unsatisfactory | 19 | ||
| Tuff Retention Dam | Low | Not assessed | 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 | Not assessed | 18 | Other | 1964 |
| Bobsland Dam | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1955 |
| Brown Cow Dam | Low | Not assessed | 18 | ||
| Atlas Dam | Low | Not assessed | 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 | Not assessed | 17 | Fire Protection, Stock, Or Small Fish Pond | 1953 |
| Leo Bergtoll Irrigation Dam | Low | Not assessed | 17 | Irrigation | 1981 |
| Bugs Detention Dam | Low | Not assessed | 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 | Not assessed | 16 | Irrigation | 1909 |
| Beaver Tooth | Low | Not assessed | 16 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Carpenter Creek | Low | Not assessed | 16 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Long Horn #4 | Low | Not assessed | 16 | Fire Protection, Stock, Or Small Fish Pond | 1952 |
| Hovland | Low | Not assessed | 16 | Fire Protection, Stock, Or Small Fish Pond | 1959 |
| Jordan Dam | Low | Unsatisfactory | 16 | ||
| Little Brazil | Low | Not assessed | 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 | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1947 |
| A Anderson | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Chambers | Low | Not assessed | 15 | Irrigation | 1948 |
| Nyquist #1 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Tigar Milk | Low | Not assessed | 15 | Irrigation | 1965 |
| Barnard (valley) | Low | Not assessed | 15 | Irrigation | 1953 |
| Ellsworth | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1963 |
| Tarum | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Remulac | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1930 |
| Ghost #6 | Low | Not assessed | 15 | Other | 1966 |
| Eddie #1 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Clover Drop Dam | Low | Satisfactory | 15 | ||
| Ghost #3 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1930 |
| Vr-57 Dam | Low | Not assessed | 15 | ||
| Vr-72 Dam | Low | Not assessed | 15 | Flood Risk Reduction | 2003 |
| Frank Jenson #1 | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1946 |
| Chapman Dam | Low | Not assessed | 14 | 2003 | |
| Maraschino | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Little Brazil #3 | Low | Not assessed | 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 assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1913 |
| Bomber | Low | Not assessed | 13 | Flood Risk Reduction | 1953 |
| Cain Dam | Low | Not assessed | 13 | Irrigation | 1901 |
| Big Rock Detention Dam | Low | Unsatisfactory | 13 | Flood Risk Reduction | 1961 |
| Pippen | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1925 |
| Blue Cheese | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Mrcla #5 | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1935 |
| Conehead Dam | Low | Not assessed | 12 | ||
| Morgan #1 | Low | Not assessed | 10 | Irrigation | 1967 |
| Road Reservoir | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Mccuin | Low | Not assessed | 10 | Irrigation | 1930 |
| A Nichols | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Paulo Dam | Low | Not assessed | 10 | 2003 | |
| Neufeld No 2 | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1966 |
| Glasgow Sewage Lagoon | Low | Not assessed | 9 | Fire Protection, Stock, Or Small Fish Pond | 1955 |
| Mahan and Hoyt Reservoir | Low | Not assessed | 8 | Irrigation | 1915 |
| Don #1 | Low | Not assessed | 8 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Vip Sewage Disposal Lagoons #1 | Low | Not assessed | 8 | Other | 1954 |
| Wagner | Low | Not assessed | 7 | Irrigation | 1962 |
| Eddie #6 | Low | Not assessed | 7 | Fire Protection, Stock, Or Small Fish Pond | 1970 |