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 assessed | 73 | Irrigation | 1932 |
| Jubilee Lake | High | Poor | 50 | Recreation | 1967 |
| Morgan Lake | High | Poor | 24 | Recreation | 1976 |
| Jimmy Creek Reservoir | Significant | Not assessed | 42 | Irrigation | 1981 |
| Elgin Mill Trmt. Lagoon #2 | Significant | Not assessed | 36 | 2017 | |
| Little Park Dam | Significant | Not assessed | 32 | Irrigation | 1958 |
| Shaw Dam and Dikes (union) | Low | Not assessed | 51 | Irrigation | 1955 |
| Pyles Canyon 2 | Low | Not assessed | 41 | Irrigation | 1977 |
| Beaver Creek (union) | Low | Not assessed | 35 | Water Supply | 1915 |
| Eagle Lake Dam | Low | Not assessed | 33 | Irrigation | 1920 |
| Looking Glass Reservoir | Low | Not assessed | 21 | Irrigation | 1919 |
| Ruckmans Reservoir | Low | Not assessed | 20 | Irrigation | 1963 |
| Fleets Loop | Low | Not assessed | 18 | Irrigation | 1967 |
| Howell | Low | Not assessed | 18 | Irrigation | 1980 |
| Elmer Reservoir 1 (union) | Low | Not assessed | 16 | Irrigation | 1966 |
| Elmer Reservoir 2 (union) | Low | Not assessed | 16 | Irrigation | 1966 |
| Elgin Mill Trmt. Lagoon #1 | Low | Not assessed | 16 | Other | 1976 |
| Fleet Reservoir 2 | Low | Not assessed | 14 | Irrigation | 1977 |
| Elmer Reservoir 3 (union) | Low | Not assessed | 14 | Irrigation | 1977 |
| Elmer Stoplog Dam (union) | Low | Not assessed | 12 | Irrigation | 1975 |
| Traverse Lake Reservoir | Low | Not assessed | 10 | Irrigation | 1922 |
| Echo Lake Reservoir | Low | Not assessed | 10 | Irrigation | 1922 |