Dams in City and Borough of Juneau, Alaska
8Total Dams
2High Hazard
2Significant
Dam Safety in City and Borough of Juneau, Alaska
City and Borough of Juneau has 8 dams tracked in the National Inventory of Dams. Of these, 2 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification.
The average dam in City and Borough of Juneau is 47 years old. The most common purpose is hydroelectric. The tallest dam is Salmon Creek at 175 ft.
Explore more: Oldest dams in Alaska · 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 |
|---|---|---|---|---|---|
| Salmon Creek | High | Satisfactory | 175 | Hydroelectric | 1914 |
| Douglas Island Dam | High | Fair | 26 | Other | 1937 |
| Lower Slate Lake Tailings Dam | Significant | Satisfactory | 63 | Tailings | 2010 |
| Pond 7 Dam | Significant | Satisfactory | 30 | Flood Risk Reduction | 2005 |
| Sand Pit Dam | Low | Fair | 33 | Debris Control | 2016 |
| Bart Lake Dam | Low | Satisfactory | 31 | Hydroelectric | 2009 |
| Long Lake Dam | Low | Fair | 30 | Hydroelectric | 1973 |
| Annex Creek | Low | Satisfactory | 20 | Hydroelectric | 1968 |