174Total Dams
3High Hazard
7Significant
Dam Safety in Phillips County, Montana
Phillips County has 174 dams tracked in the National Inventory of Dams. Of these, 3 are classified as high hazard — meaning failure would probably cause loss of human life. Another 7 carry a significant hazard classification. Currently, 7 dams have a condition assessment of poor or unsatisfactory.
The average dam in Phillips County is 76 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Frenchman Dam at 63 ft.
Explore more: Oldest dams in Montana · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Nelson Dike Da | High | Not assessed | 28 | Irrigation | 1915 |
| Pr-19 Retention Dam | High | Satisfactory | 23 | Fire Protection, Stock, Or Small Fish Pond | 1936 |
| Weigand Reservoir East | High | Not assessed | 21 | ||
| Frenchman Dam | Significant | Not assessed | 63 | Irrigation | 1953 |
| Veseth Reservoir | Significant | Not assessed | 30 | Irrigation | 1925 |
| West Alkali Reservoir | Significant | Not assessed | 25 | Irrigation | 1902 |
| Veseth Ann Veseth #2 | Significant | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1944 |
| Ester Lake (phillips) | Significant | Not assessed | 17 | Irrigation | 1954 |
| Roth #2 | Significant | Not assessed | 15 | Irrigation | 1947 |
| Frenchman Ir. Company #1 | Significant | Not assessed | 10 | Irrigation | 1951 |
| Bar Island Detention Dam | Low | Poor | 44 | Flood Risk Reduction | 1967 |
| Square Butte Detention Dam | Low | Poor | 42 | Flood Risk Reduction | 1967 |
| Lark Detention Dam | Low | Fair | 41 | Flood Risk Reduction | 1968 |
| Current Detention Dam | Low | Poor | 34 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Sentinel Detention Dam | Low | Fair | 33 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Blunt Ranches #4 | Low | Not assessed | 31 | Fire Protection, Stock, Or Small Fish Pond | 1946 |
| Wm Knight #2 | Low | Not assessed | 30 | Other | 1942 |
| Wm Knight #1 | Low | Not assessed | 30 | Irrigation | 1940 |
| Private Reservoir | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1935 |
| Lazy J-d #1 | Low | Not assessed | 30 | Irrigation | 1952 |
| Sagebrush #2 | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Lazy J-d #4 | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1972 |
| Lazy Jd #12 | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1959 |
| Robinson | Low | Not assessed | 30 | Flood Risk Reduction | 1945 |
| Pr-18 Retention Dam | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1942 |
| Bison Bone Retention Dam | Low | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Pr-54 Retention Dam | Low | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | 1936 |
| Pr-137 King Retention Dam | Low | Not assessed | 29 | Flood Risk Reduction | 1937 |
| Murky Retention Dam | Low | Not assessed | 28 | Fire Protection, Stock, Or Small Fish Pond | 1966 |
| Chanlin | Low | Not assessed | 27 | Irrigation | 1951 |
| Nelson (phillips) | Low | Not assessed | 27 | Irrigation | 1920 |
| Gull Wing Detention Dam | Low | Unsatisfactory | 27 | Flood Risk Reduction | 1968 |
| Dodson Diversion Dam | Low | Not assessed | 26 | Irrigation | 1910 |
| Ernest | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1938 |
| Ork | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1949 |
| Rocky | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1947 |
| E Wasson #1 | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1948 |
| Martin #1 (phillips) | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1953 |
| Carters Reservoir | Low | Not assessed | 25 | Irrigation | 1954 |
| Tree Bark #2 | Low | Not assessed | 25 | Irrigation | 1957 |
| Big (phillips) | Low | Not assessed | 25 | Irrigation | 1956 |
| Veseth and Veseth #4 | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1935 |
| Lazy J-d #2 | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1959 |
| Matador Ranch #8 | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| Little Warm Spring Creek | Low | Not assessed | 25 | Irrigation | 1938 |
| French Fry #2 | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1947 |
| Wapiti Dam | Low | Not assessed | 25 | Fish and Wildlife Pond | 1984 |
| Barnard Dam | Low | Satisfactory | 24 | ||
| Little Bunny Detention Dam | Low | Fair | 24 | Flood Risk Reduction | 1967 |
| Seven-up Detention Dam | Low | Fair | 24 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Khomeni | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Tarawa Retention Dam | Low | Poor | 22 | Fire Protection, Stock, Or Small Fish Pond | 1947 |
| Old Dibbler Ret. Dam | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1912 |
| Pr-110 Retention Dam | Low | Not assessed | 21 | Fire Protection, Stock, Or Small Fish Pond | 1936 |
| Colen | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| Onwatt | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1932 |
| Cotter | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Row | Low | Not assessed | 20 | Irrigation | 1950 |
| Clausen | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1938 |
| Gertrude | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| M Newby | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1955 |
| Hanson (phillips) | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1954 |
| Bozo | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| Herman #1 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1930 |
| Noel #3 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| Halvor #2 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1925 |
| Koss #2 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1955 |
| Morrison | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| None | Low | Not assessed | 20 | Irrigation | 1949 |
| Alley Oop | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1957 |
| Tree Bark #1 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1947 |
| Demontigny | Low | Not assessed | 20 | Irrigation | 1954 |
| Gilda Radner | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| E Wasson #2 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1947 |
| Koss #3 | Low | Not assessed | 20 | Irrigation | 1945 |
| Isaac Frye #1 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1946 |
| French Fry #1 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| Pea Ridge #1 Dam | Low | Not assessed | 20 | ||
| Simple Simon Dam | Low | Not assessed | 20 | ||
| Pr-156 Retention Dam | Low | Not assessed | 20 | Flood Risk Reduction | 1937 |
| Hand #3 | Low | Not assessed | 19 | Irrigation | 1954 |
| Wild Horse Dam Pd | Low | Not assessed | 19 | ||
| Philips | Low | Not assessed | 18 | Irrigation | 1930 |
| Kelso #5 | Low | Not assessed | 18 | Irrigation | 1949 |
| Isaac Frye #4 | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1955 |
| Pr-40 Retention Dam | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1942 |
| Pr-83 Retention Dam | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1936 |
| Lone Tree | Low | Not assessed | 17 | Irrigation | 1946 |
| Offerdahl-johnson Dam | Low | Not assessed | 17 | Irrigation | 1980 |
| Sambo #1 Dam | Low | Not assessed | 17 | ||
| Fort Belknap No. 16 | Low | Not assessed | 17 | ||
| Pr-161 Retention Dam | Low | Not assessed | 17 | Fire Protection, Stock, Or Small Fish Pond | 1937 |
| Pr-11 Retention Dam | Low | Not assessed | 17 | Flood Risk Reduction | 1942 |
| Lonesome | Low | Not assessed | 16 | Fire Protection, Stock, Or Small Fish Pond | 1946 |
| Wilke Dam | Low | Not assessed | 16 | Fire Protection, Stock, Or Small Fish Pond | 1912 |
| Stratton Reservoir | Low | Not assessed | 16 | Irrigation | 1945 |
| Schoolhouse #6 | Low | Not assessed | 16 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| Cottonwood Grazing #4 Dam | Low | Not assessed | 16 | ||
| Pr-71 Retention Dam | Low | Not assessed | 16 | Fire Protection, Stock, Or Small Fish Pond | 1936 |
| Pr-88 Retention Dam | Low | Not assessed | 16 | Fire Protection, Stock, Or Small Fish Pond | 1936 |
| Flat Retention Dam / Mister Bill Dam | Low | Unsatisfactory | 16 | Fire Protection, Stock, Or Small Fish Pond | 1973 |
| Lefdehl | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1928 |
| Vesvick | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1957 |
| Muddy | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Mitchell One | Low | Not assessed | 15 | Irrigation | 1960 |
| Veseth and Veseth #1 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| Sunday Milk | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1958 |
| Kelso #1 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1930 |
| Turkey Track | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1953 |
| Drabbels | Low | Not assessed | 15 | Recreation | 1960 |
| Roth #1 | Low | Not assessed | 15 | Irrigation | 1950 |
| Chicken of the Sea | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | |
| Randi | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1955 |
| Raymond (phillips) | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| Isaac Frye #3 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1954 |
| Martawn Veseth #3 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1955 |
| Mrlca #1 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1930 |
| Blunt Ranch #3 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| David Drum #3 | Low | Not assessed | 15 | Irrigation | 1950 |
| Ohs | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1942 |
| Wiederrick | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1947 |
| Bruckner #2 | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1929 |
| Guttormson #1 | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1943 |
| Burke #1 | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1954 |
| Halvor #1 | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1917 |
| J-5 Ranch #1 | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1976 |
| Schoolhouse #7 | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1973 |
| Schoolhouse #5 | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1973 |
| American Prairie Reserve Pond 6 | Low | Not assessed | 14 | ||
| J-5 Ranch #2 | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Veseth and Veseth #3 Dam Pd | Low | Not assessed | 14 | ||
| J-5 Ranch #3 | Low | Not assessed | 13 | Fire Protection, Stock, Or Small Fish Pond | 1978 |
| Second Telegraph | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1963 |
| Plethora | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| D Drum | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Austin Dam | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1953 |
| Noel #1 | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| Schoolhouse #2 | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1928 |
| Matador Ranch #6 | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Schoolhouse #4 | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1973 |
| De Puydt | Low | Not assessed | 12 | Irrigation | 1935 |
| Mable #2 | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Matador Ranch #4 | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Cottonwood Grazing #2 | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1954 |
| David Drum #4 | Low | Not assessed | 12 | Irrigation | 1950 |
| Austin #2 | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| R Pankratz #1 | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1935 |
| David Drum #1 | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| American Prairie Reserve Pond 3 | Low | Not assessed | 12 | ||
| Matovich One | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Matador Ranch #10 | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| David Drum #2 | Low | Not assessed | 12 | Irrigation | 1950 |
| Pr-21 Ret. Dam./whitewater Lake | Low | Fair | 12 | Fire Protection, Stock, Or Small Fish Pond | 1939 |
| Peigneux | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Hillbilly | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Rocky #1 | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1931 |
| Noel #2 | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1925 |
| W B Black | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1930 |
| Rocky #2 | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1971 |
| Early Bird | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Pet Rock | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1956 |
| Olson #2 (phillips) | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1930 |
| R Ereaux #1 | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| Number Twenty Reservoir | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| T-bar | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1955 |
| Hewitt Dam | Low | Poor | 10 | Fish and Wildlife Pond | 1938 |
| Jfk | Low | Not assessed | 8 | Fire Protection, Stock, Or Small Fish Pond | 1964 |
| Schoolhouse #3 | Low | Not assessed | 8 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Tuttle | Low | Not assessed | 8 | Irrigation | 1958 |
| Buckin'horse | Low | Not assessed | 8 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Lang Corners | Low | Not assessed | 8 | Fire Protection, Stock, Or Small Fish Pond | 1952 |
| Blunt Ranches #2 | Low | Not assessed | 8 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Meeting Place | Low | Not assessed | 8 | Irrigation | 1960 |
| Kelso #3 | Low | Not assessed | 8 | Fire Protection, Stock, Or Small Fish Pond | 1945 |