Dams in Malheur County, Oregon
71Total Dams
10High Hazard
4Significant
Dam Safety in Malheur County, Oregon
Malheur County has 71 dams tracked in the National Inventory of Dams. Of these, 10 are classified as high hazard — meaning failure would probably cause loss of human life. Another 4 carry a significant hazard classification. Currently, 9 dams have a condition assessment of poor or unsatisfactory.
The average dam in Malheur County is 76 years old. The most common purpose is irrigation. The tallest dam is Owyhee Dam at 417 ft.
Explore more: Oldest dams in Oregon · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Owyhee Dam | High | Not Available | 417 | Irrigation | 1932 |
| Bully Creek Dam | High | Not Available | 121 | Flood Risk Reduction | 1963 |
| Willow Creek 3 (malheur) | High | Unsatisfactory | 110 | Irrigation | 1944 |
| Agency Valley Dam | High | Not Available | 110 | Flood Risk Reduction | 1934 |
| Warm Springs Dam | High | Not Available | 106 | Irrigation | 1919 |
| Crowley | High | Unsatisfactory | 90 | Irrigation | 1938 |
| Antelope | High | Satisfactory | 60 | Irrigation | 1923 |
| Pole Creek | High | Poor | 58 | Irrigation | 1944 |
| Lonesome Lake | High | Poor | 35 | Irrigation | |
| Rock Creek Dam | High | Fair | 17 | Fish and Wildlife Pond | 1939 |
| Star Mountain Reservoir | Significant | Not Rated | 68 | Irrigation | 1961 |
| Love Reservoir (malheur) | Significant | Not Rated | 44 | Irrigation | 1907 |
| Parsnip Creek Diversion | Significant | Not Rated | 42 | Irrigation | 1980 |
| Moores Hollow | Significant | Not Available | 35 | Irrigation | 1964 |
| Vaughn Reservoir (malheur) | Low | Not Rated | 70 | Irrigation | 1959 |
| Murphy Dam | Low | Not Rated | 62 | Irrigation | 1950 |
| N. Fk. Indian Creek Reservoir | Low | Not Rated | 59 | Irrigation | 1951 |
| Dickson Reservoir | Low | Not Rated | 48 | Irrigation | 1949 |
| Echave Reservoir (malheur) | Low | Not Rated | 35 | Irrigation | 1954 |
| Anderson-lower (malheur) | Low | Not Rated | 34 | Irrigation | 1917 |
| Jaca Dam | Low | Not Rated | 34 | Irrigation | |
| Vane Ranch Reservoir | Low | Not Rated | 33 | Irrigation | 1950 |
| Morrison Dam | Low | Poor | 33 | Water Supply | 1911 |
| S. Fork Squaw Creek Dam | Low | Poor | 33 | Recreation | 1970 |
| Cob Creek Dam | Low | Not Rated | 31 | Irrigation | 1962 |
| Chevally Reservoir | Low | Not Rated | 30 | Irrigation | 1933 |
| Somerville, The Reservoir | Low | Not Rated | 30 | Irrigation | 1912 |
| Crows Nest Reservoir | Low | Satisfactory | 29 | Other | 2004 |
| Deary Reservoir | Low | Not Rated | 28 | Irrigation | 1937 |
| Parsnip Creek Reservoir | Low | Not Rated | 28 | Irrigation | 1960 |
| South Cottonwood Creek Reservoir | Low | Poor | 28 | Fire Protection, Stock, Or Small Fish Pond | 1961 |
| Blevin Dam | Low | Not Rated | 26 | Irrigation | 1954 |
| Star Creek | Low | Not Rated | 26 | Irrigation | 1951 |
| Hicks Canyon Dam | Low | Not Rated | 26 | Water Supply | 1979 |
| Steer Canyon Dam | Low | Poor | 26 | Recreation | 1954 |
| Twin Springs Dam | Low | Fair | 26 | Water Supply | 2004 |
| Lockett Reservoir | Low | Not Rated | 25 | Irrigation | 1917 |
| Hawks Nest Reservoir | Low | Not Rated | 25 | Irrigation | 1961 |
| Fred Scott Reservoir | Low | Not Rated | 24 | Irrigation | 1921 |
| Salt Lick Reservoir | Low | Not Rated | 23 | Irrigation | 1933 |
| Rock House Reservoir (malheur) | Low | Not Rated | 22 | Irrigation | 1956 |
| Albertson S Reservoir (malheur) (lagoon) | Low | Not Rated | 22 | Irrigation | 1976 |
| Castro Reservoir | Low | Not Rated | 22 | Water Supply | 1982 |
| Arock Diversion Dam | Low | Not Rated | 20 | Irrigation | |
| Hope Reservoir | Low | Not Rated | 19 | Irrigation | |
| Scott Dam | Low | Not Rated | 18 | Irrigation | 1911 |
| Arritola Reservoir | Low | Not Rated | 18 | Irrigation | 1916 |
| Mud Flat Reservoir | Low | Not Rated | 18 | Irrigation | 1917 |
| Wheaton Creek Reservoir | Low | Not Rated | 17 | Irrigation | 1948 |
| Stimmel Reservoir | Low | Not Rated | 17 | Irrigation | 1921 |
| Dowell Reservoir | Low | Not Rated | 17 | Irrigation | 1989 |
| Easterday Reservoir | Low | Not Rated | 16 | Irrigation | 1948 |
| Odell, Ben | Low | Not Rated | 16 | Irrigation | 1954 |
| Chapman Upper | Low | Not Rated | 15 | Irrigation | 1948 |
| Butte | Low | Not Rated | 14 | Irrigation | 1918 |
| Beer S Reservoir | Low | Not Rated | 14 | Irrigation | 1914 |
| Maher Dam | Low | Not Rated | 14 | Irrigation | 1934 |
| Box Springs Reservoir | Low | Not Rated | 13 | Irrigation | 1928 |
| Turnbull Peak Reservoir | Low | Not Rated | 13 | Irrigation | 1983 |
| Mc Nulty Dam | Low | Poor | 13 | Fire Protection, Stock, Or Small Fish Pond | 2004 |
| Copeland Reservoir | Low | Not Rated | 12 | Irrigation | 1917 |
| Upper Clark Reservoir | Low | Not Rated | 12 | Water Supply | 2004 |
| Riley Horn Dam | Low | Not Rated | 12 | Water Supply | 1961 |
| Amalgamated Sugar | Low | Not Rated | 11 | Other | 1984 |
| Greely Dam | Low | Not Rated | 11 | Flood Risk Reduction | 2004 |
| Lower Clark Reservoir | Low | Not Rated | 11 | Other | 2004 |
| Shumway Reservoir | Low | Not Rated | 10 | Irrigation | 1921 |
| Corliss | Low | Not Rated | 10 | Irrigation | 1919 |
| Becker | Low | Not Rated | 10 | Irrigation | 1927 |
| Mud Creek #1 Reservoir | Low | Not Rated | 10 | Other | 1957 |
| Mud Creek Dam | Low | Not Rated | 7 | Water Supply | 1961 |