Dams in Wallowa County, Oregon
5Total Dams
1High Hazard
0Significant
Dam Safety in Wallowa County, Oregon
Wallowa County has 5 dams tracked in the National Inventory of Dams. Of these, 1 are classified as high hazard — meaning failure would probably cause loss of human life. Currently, 1 dams have a condition assessment of poor or unsatisfactory.
The average dam in Wallowa County is 82 years old. The most common purpose is irrigation. The tallest dam is Wallowa Lake at 40 ft.
Explore more: Oldest dams in Oregon · Tallest dams · High risk dams · Largest reservoirs
Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Wallowa Lake | High | Poor | 40 | Irrigation | 1931 |
| Promise Reservoir | Low | Not Rated | 37 | Irrigation | 1980 |
| Kinney Lake | Low | Not Rated | 22 | Irrigation | 1913 |
| Lostine Reservoir | Low | Not Rated | 14 | Recreation | 1970 |
| Minam Lake Reservoir Company | Low | Not Rated | 14 | Irrigation | 1922 |