5Total Dams
0High Hazard
2Significant
Dam Safety in Columbia County, Oregon
Columbia County has 5 dams tracked in the National Inventory of Dams. Another 2 carry a significant hazard classification.
The average dam in Columbia County is 62 years old. The most common purpose is water supply. The tallest dam is Salmonberry Reservoir at 35 ft.
Explore more: Oldest dams in Oregon · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Salmonberry Reservoir | Significant | Not assessed | 35 | Water Supply | 1960 |
| Rainier City Reservoir | Significant | Not assessed | 25 | Water Supply | 1954 |
| Fisher, James O Reservoir | Low | Not assessed | 34 | Irrigation | 1971 |
| Sherman Stock Reservoir #1 | Low | Not assessed | 28 | Irrigation | 1952 |
| Petes Slough | Low | Not assessed | 16 | Recreation | 1980 |