Dams in Columbia County, Washington
2Total Dams
1High Hazard
0Significant
Dam Safety in Columbia County, Washington
Columbia County has 2 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.
The average dam in Columbia County is 63 years old. The most common purpose is recreation. The tallest dam is Little Goose Lock And Dam at 226 ft.
Explore more: Oldest dams in Washington · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Little Goose Lock And Dam | High | Not Available | 226 | Navigation | 1970 |
| Rainbow Lake Dam | Low | 14 | Recreation | 1955 |