Dams in Union County, Oregon
24Total Dams
5High Hazard
3Significant
Dam Safety in Union County, Oregon
Union County has 24 dams tracked in the National Inventory of Dams. Of these, 5 are classified as high hazard — meaning failure would probably cause loss of human life. Another 3 carry a significant hazard classification. Currently, 2 dams have a condition assessment of poor or unsatisfactory.
The average dam in Union County is 64 years old. The most common purpose is irrigation. The tallest dam is Wolf Creek at 128 ft.
Explore more: Oldest dams in Oregon · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Wolf Creek | High | Satisfactory | 128 | Irrigation | 1974 |
| Pilcher Creek | High | Satisfactory | 110 | Irrigation | 1984 |
| Thief Valley Dam | High | Not Available | 73 | Irrigation | 1932 |
| Jubilee Lake | High | Poor | 50 | Recreation | 1967 |
| Morgan Lake | High | Poor | 24 | Recreation | 1976 |
| Jimmy Creek Reservoir | Significant | Not Rated | 42 | Irrigation | 1981 |
| Elgin Mill Trmt. Lagoon #2 | Significant | Not Rated | 36 | 2017 | |
| Little Park Dam | Significant | Not Rated | 32 | Irrigation | 1958 |
| Shaw Dam And Dikes (union) | Low | Not Rated | 51 | Irrigation | 1955 |
| Pyles Canyon 2 | Low | Not Rated | 41 | Irrigation | 1977 |
| Beaver Creek (union) | Low | Not Rated | 35 | Water Supply | 1915 |
| Eagle Lake Dam | Low | Not Rated | 33 | Irrigation | 1920 |
| Looking Glass Reservoir | Low | Not Rated | 21 | Irrigation | 1919 |
| Ruckmans Reservoir | Low | Not Rated | 20 | Irrigation | 1963 |
| Fleets Loop | Low | Not Rated | 18 | Irrigation | 1967 |
| Howell | Low | Not Rated | 18 | Irrigation | 1980 |
| Elmer Reservoir 1 (union) | Low | Not Rated | 16 | Irrigation | 1966 |
| Elmer Reservoir 2 (union) | Low | Not Rated | 16 | Irrigation | 1966 |
| Elgin Mill Trmt. Lagoon #1 | Low | Not Rated | 16 | Other | 1976 |
| Fleet Reservoir 2 | Low | Not Rated | 14 | Irrigation | 1977 |
| Elmer Reservoir 3 (union) | Low | Not Rated | 14 | Irrigation | 1977 |
| Elmer Stoplog Dam (union) | Low | Not Rated | 12 | Irrigation | 1975 |
| Traverse Lake Reservoir | Low | Not Rated | 10 | Irrigation | 1922 |
| Echo Lake Reservoir | Low | Not Rated | 10 | Irrigation | 1922 |