Dams in Kootenai County, Idaho
9Total Dams
3High Hazard
4Significant
Dam Safety in Kootenai County, Idaho
Kootenai County has 9 dams tracked in the National Inventory of Dams. Of these, 3 are classified as high hazard — meaning failure would probably cause loss of human life. Another 4 carry a significant hazard classification.
The average dam in Kootenai County is 91 years old. The most common purpose is other. The tallest dam is Post Falls Middle Channel at 64 ft.
Explore more: Oldest dams in Idaho · 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 |
|---|---|---|---|---|---|
| Post Falls Middle Channel | High | Satisfactory | 64 | Hydroelectric | 1906 |
| Post Falls North Channel | High | Fair | 31 | Hydroelectric | 1906 |
| Post Falls South Channel | High | Satisfactory | 25 | Hydroelectric | 1906 |
| Kiblen West | Significant | Fair | 23 | Recreation | 1969 |
| Chilco | Significant | Fair | 17 | Other | 1907 |
| Twin Lakes | Significant | Fair | 14 | Flood Risk Reduction | 2005 |
| Avondale Lake | Significant | Fair | 9 | Other | |
| Kiblen North | Low | Fair | 26 | Recreation | 1969 |
| Hayden Lake | Low | Fair | 13 | Other | 1910 |