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 1–25 of 27
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Westchester Lagoon Dam Municipality of Anchorage County | 22 | 1973 | Significant | Fair |
| Two Bull Ridge Pond T5 Dam Denali Borough County | 49 | 2000 | Low | Fair |
| Shotter Creek Upper Dam Hoonah-Angoon Census Area County | 9 | 1968 | Significant | Fair |
| Ship Creek Dam Municipality of Anchorage County | 50 | 1954 | High | Fair |
| Sand Pit Dam City and Borough of Juneau County | 33 | 2016 | Low | Fair |
| Red Dog Mine Water Diversion Dam Northwest Arctic Borough County | 34 | 1991 | Low | Fair |
| Pillar Creek Dam No. 2.C Kodiak Island Borough County | 24 | 1968 | Significant | Fair |
| Pillar Creek Dam No. 2.B Kodiak Island Borough County | 17 | 1968 | Significant | Fair |
| Pillar Creek Dam No. 2.A Kodiak Island Borough County | 17 | 1968 | Significant | Fair |
| Pillar Creek Dam No.1.B Kodiak Island Borough County | 24 | 1968 | Significant | Fair |
| Pillar Creek Dam No.1.A Kodiak Island Borough County | 45 | 1969 | Significant | Fair |
| Petersburg Upper Dam Petersburg Borough County | 27 | 1950 | Significant | Fair |
| Nixon Fork Tailings Dam Yukon-Koyukuk Census Area County | 64 | 1995 | Significant | Fair |
| Meals Lake Dam Chugach Census Area County | 23 | 1972 | High | Fair |
| Lower Fire Lake Dam Municipality of Anchorage County | 13 | 1960 | High | Fair |
| Long Lake Dam City and Borough of Juneau County | 30 | 1973 | Low | Fair |
| Lake "O" The Hills Municipality of Anchorage County | 13 | 1975 | High | Fair |
| Isatkuag Lagoon Dam North Slope Borough County | 16 | 1977 | Significant | Fair |
| Fort Knox Tailings Dam Fairbanks North Star Borough County | 350 | 1996 | Significant | Fair |
| Douglas Island Dam City and Borough of Juneau County | 26 | 1937 | High | Fair |
| Cremo Lake Dam Municipality of Anchorage County | 6 | — | Significant | Fair |
| 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 |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.