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 76–100 of 107
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Douglas Island Dam City and Borough of Juneau County | 26 | 1937 | High | Fair |
| Dewey Forebay Municipality of Skagway County | 30 | 1905 | Low | Satisfactory |
| Crystal Lake Petersburg Borough County | 43 | 1955 | High | Satisfactory |
| Cremo Lake Dam Municipality of Anchorage County | 6 | — | Significant | Fair |
| C. P. P. Dam Matanuska-Susitna Borough County | 7 | — | Low | Satisfactory |
| Cooper Lake Kenai Peninsula Borough County | 52 | 1959 | High | Satisfactory |
| Chuniixsax Hydro Dam Aleutians West Census Area County | — | — | Significant | Not Rated |
| Chiniak Satellite Tracking Sta. Dam Kodiak Island Borough County | 10 | 1954 | Low | Not Rated |
| Chignik Lake and Peninsula Borough County | 17 | 1947 | Low | Satisfactory |
| Chester Lake Prince of Wales-Hyder Census Area County | 35 | 1986 | High | Satisfactory |
| Caswell Lakes Road Embankment Matanuska-Susitna Borough County | 14 | — | Significant | Poor |
| Carlanna Lake Ketchikan Gateway Borough County | 31 | 1975 | High | Satisfactory |
| Cannery Creek Dam Chugach Census Area County | 17 | 1979 | Significant | Fair |
| Campbell Lake Dam Municipality of Anchorage County | 11 | 1957 | Low | Fair |
| Cabin Creek Dam Petersburg Borough County | 38 | 1996 | Significant | Fair |
| Bridge Creek Dam Kenai Peninsula Borough County | 65 | 1975 | High | Fair |
| Bradley Lake Spillway Dam Kenai Peninsula Borough County | 115 | 1991 | Low | Satisfactory |
| Bonnie Rose Lake Dam Aleutians West Census Area County | 15 | 1943 | Significant | Not Rated |
| Bluff Lake Diversion Ketchikan Gateway Borough County | 10 | 1984 | Low | Not Rated |
| Blue Lake City and Borough of Sitka County | 294 | 1961 | High | Satisfactory |
| Big Kitoi Kodiak Island Borough County | 9 | 1962 | Low | Not Rated |
| Bettinger Upper Reservoir Dam Kodiak Island Borough County | 67 | 1968 | High | Fair |
| Beluga Lake Dam Kenai Peninsula Borough County | 13 | — | Significant | Not Rated |
| 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 |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.