Montana Dams
2,990 dams tracked by the National Inventory of Dams
Total Dams
2,990
High Hazard
188
6.3%
Poor / Unsatisfactory
132
Average Age
74 yrs
Hazard Classification
High188 (6.3%)
Significant193 (6.5%)
Low2,606 (87.2%)
Condition Assessment
Satisfactory113 (3.8%)
Fair44 (1.5%)
Poor / Unsatisfactory132 (4.4%)
Not Rated2,701 (90.3%)
Federal
278
State
151
Local
84
Private
2,466
Tallest Dams
- Yankee Doodle Tailings Dam570 ft
- Hungry Horse Dam564 ft
- Libby Dam422 ft
- Noxon Rapids260 ft
- Fort Peck Dam256 ft
High Hazard Dams
- Yankee Doodle Tailings DamHigh
- Hungry Horse DamHigh
- Libby DamHigh
- Noxon RapidsHigh
- Fort Peck DamHigh
Poor Condition Dams
All Dams in Montana
Showing 1426–1450 of 2,990
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Kuhr #2 Blaine County | 20 | 1930 | Significant | Not Rated |
| Kuester Richland County | 32 | 1958 | Significant | Not Rated |
| Krott, L. Blaine County | 8 | 1960 | Low | Not Rated |
| Krezelok Lewis and Clark County | 15 | 1945 | Low | Not Rated |
| Kountz Custer County | 25 | 1939 | Low | Not Rated |
| Koss #3 Phillips County | 20 | 1945 | Low | Not Rated |
| Koss #2 Phillips County | 20 | 1955 | Low | Not Rated |
| Korneman Carter County | 15 | 1958 | Low | Not Rated |
| Kootenai Dvlpmnt Impoundment Dam Lincoln County | 151 | 1980 | High | Poor |
| Kool-Aid Carter County | 15 | 1940 | Low | Not Rated |
| Kona Ranch Missoula County | 29 | 1959 | Significant | Not Rated |
| Kolstad #3 Toole County | 15 | 1964 | Low | Not Rated |
| Kodak Chouteau County | 25 | 1926 | Low | Not Rated |
| Knudson Dawson County | 21 | 1958 | Low | Not Rated |
| Knottnerus Chouteau County | 18 | 1965 | Low | Not Rated |
| Knockin'Knees Reservoir Liberty County | 30 | 1952 | Low | Not Rated |
| Knight Dam Wibaux County | 14 | 1936 | Low | Not Rated |
| Kniepp #1 Rosebud County | 18 | 1959 | Low | Not Rated |
| Kniep Kamp McCone County | 16 | 1941 | Low | Not Rated |
| Kneeded Liberty County | 20 | 1930 | Low | Not Rated |
| K L Clark #1 Yellowstone County | 10 | 1950 | Low | Not Rated |
| Klatt Madison County | 16 | 1949 | Low | Not Available |
| Kjeldgaard #2 Big Horn County | 20 | 1963 | Low | Not Rated |
| Kjeldgaard #1 Big Horn County | 15 | 1964 | Low | Not Rated |
| Kitty Milk Pondera County | 20 | 1944 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.