Alaska Dams
107 dams tracked by the National Inventory of Dams
Total Dams
107
High Hazard
29
27.1%
Poor / Unsatisfactory
11
Average Age
57 yrs
Hazard Classification
Condition Assessment
Federal
5
State
6
Local
45
Private
43
Tallest Dams
- Fort Knox Tailings Dam350 ft
- Blue Lake294 ft
- Green Lake210 ft
- Red Dog Tailings Main Dam208 ft
- Terror Lake193 ft
High Hazard Dams
- Blue LakeHigh
- Red Dog Tailings Main DamHigh
- Salmon CreekHigh
- Swan LakeHigh
- Solomon GulchHigh
Poor Condition Dams
- Hess Creek DamUnsatisfactory
- Wrangell LowerPoor
- Wrangell UpperPoor
- Seldovia Upper DamPoor
- Alitak Cannery Dam #2Poor
All Dams in Alaska
Showing 26–40 of 40
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Fort Knox Water Dam Fairbanks North Star Borough County | 70 | 1995 | Low | Satisfactory |
| Fawn Lake Dam North Ketchikan Gateway Borough County | 15 | 1959 | Significant | Satisfactory |
| Eklutna Dam Municipality of Anchorage County | 56 | 1965 | High | Satisfactory |
| Dewey Forebay Municipality of Skagway County | 30 | 1905 | Low | Satisfactory |
| Crystal Lake Petersburg Borough County | 43 | 1955 | High | Satisfactory |
| C. P. P. Dam Matanuska-Susitna Borough County | 7 | — | Low | Satisfactory |
| Cooper Lake Kenai Peninsula Borough County | 52 | 1959 | High | Satisfactory |
| Chignik Lake and Peninsula Borough County | 17 | 1947 | Low | Satisfactory |
| Chester Lake Prince of Wales-Hyder Census Area County | 35 | 1986 | High | Satisfactory |
| Carlanna Lake Ketchikan Gateway Borough County | 31 | 1975 | High | Satisfactory |
| Bradley Lake Spillway Dam Kenai Peninsula Borough County | 115 | 1991 | Low | Satisfactory |
| Blue Lake City and Borough of Sitka County | 294 | 1961 | High | Satisfactory |
| Bart Lake Dam City and Borough of Juneau County | 31 | 2009 | Low | Satisfactory |
| Annex Creek City and Borough of Juneau County | 20 | 1968 | Low | Satisfactory |
| A F K Hatchery Dam Chugach Census Area County | 32 | 1977 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.