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

High29 (27.1%)
Significant43 (40.2%)
Low35 (32.7%)

Condition Assessment

Satisfactory40 (37.4%)
Fair27 (25.2%)
Poor / Unsatisfactory11 (10.3%)
Not Rated29 (27.1%)

Federal

5

State

6

Local

45

Private

43

All Dams in Alaska

Showing 125 of 35

Dam NameHeight (ft)YearHazardCondition
Ward Cove Cannery Dam

Ketchikan Gateway Borough County

271932LowNot Rated
Upper Silvis

Ketchikan Gateway Borough County

601968LowSatisfactory
Two Bull Ridge Pond T5 Dam

Denali Borough County

492000LowFair
Terror Lake

Kodiak Island Borough County

1931984LowSatisfactory
Stover Dam

Kodiak Island Borough County

111962LowNot Rated
Shotgun Creek Div

Kodiak Island Borough County

401984LowSatisfactory
Sherwood Estates Dam

Matanuska-Susitna Borough County

201975LowNot Rated
Seldovia Upper Dam

Kenai Peninsula Borough County

251953LowPoor
Sand Pit Dam

City and Borough of Juneau County

332016LowFair
Red Dog Mine Water Diversion Dam

Northwest Arctic Borough County

341991LowFair
New England Fish CO Dam

Aleutians East Borough County

101940LowNot Rated
Mahoona Dam

Kodiak Island Borough County

131986LowUnsatisfactory
Lower Silvis

Ketchikan Gateway Borough County

321954LowSatisfactory
Lower Dewey

Municipality of Skagway County

281905LowSatisfactory
Long Lake Dam

City and Borough of Juneau County

301973LowFair
Lake Osprey Dam

City and Borough of Sitka County

81919LowNot Rated
Icy Lake Dam

Aleutians West Census Area County

71995LowNot Rated
Gregory Lake

Municipality of Anchorage County

16LowNot Available
Fort Knox Water Dam

Fairbanks North Star Borough County

701995LowSatisfactory
Eyak Lake

Chugach Census Area County

151972LowNot Rated
Dewey Forebay

Municipality of Skagway County

301905LowSatisfactory
C. P. P. Dam

Matanuska-Susitna Borough County

7LowSatisfactory
Chiniak Satellite Tracking Sta. Dam

Kodiak Island Borough County

101954LowNot Rated
Chignik

Lake and Peninsula Borough County

171947LowSatisfactory
Campbell Lake Dam

Municipality of Anchorage County

111957LowFair
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.