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Browse Dams

111 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 111 dams from the NID database. Each record includes dam name, location, physical dimensions, hazard potential classification, condition assessment, purpose, owner information, and emergency action plan status. Use the filters below to search by state, hazard level, condition, or keyword.

Name State County Height (ft) Hazard Condition Year Purpose
Fort Knox Tailings Dam Alaska Fairbanks North Star Borough 350 Significant Fair 1996 Water Supply
Blue Lake Alaska City and Borough of Sitka 294 High Satisfactory 1961 Hydroelectric
Green Lake Alaska City and Borough of Sitka 210 Significant Satisfactory 1982 Hydroelectric
Red Dog Tailings Main Dam Alaska Northwest Arctic Borough 208 High Satisfactory 1993 Tailings
Terror Lake Alaska Kodiak Island Borough 193 Low Satisfactory 1984 Hydroelectric
Salmon Creek Alaska City and Borough of Juneau 175 High Satisfactory 1914 Hydroelectric
Swan Lake Alaska Ketchikan Gateway Borough 174 High Satisfactory 1984 Hydroelectric
Bradley Lake Dam Alaska Kenai Peninsula Borough 125 Low Satisfactory 1991 Hydroelectric
Solomon Gulch Alaska Chugach Census Area 115 High Satisfactory 1981 Hydroelectric
Bradley Lake Spillway Dam Alaska Kenai Peninsula Borough 115 Low Satisfactory 1991 Hydroelectric
Lake Connell Alaska Ketchikan Gateway Borough 96 High Satisfactory 1953 Water Supply
Pogo R.T.P. Dam Alaska Southeast Fairbanks Census Area 91 High Satisfactory 2005 Flood Risk Reduction
Red Dog Water Supply Dam Alaska Northwest Arctic Borough 75 Significant Satisfactory 1989 Water Supply
Fort Knox Water Dam Alaska Fairbanks North Star Borough 70 Low Satisfactory 1995 Water Supply
Bettinger Upper Reservoir Dam Alaska Kodiak Island Borough 67 High Fair 1968 Water Supply
Red Dog Tailings Back Dam Alaska Northwest Arctic Borough 66 High Satisfactory 2010 Other
Bridge Creek Dam Alaska Kenai Peninsula Borough 65 High Fair 1975 Water Supply
Nixon Fork Tailings Dam Alaska Yukon-Koyukuk Census Area 64 Significant Fair 1995 Tailings
Lower Slate Lake Tailings Dam Alaska City and Borough of Juneau 63 Significant Satisfactory 2010 Tailings
Moose Creek Dam Alaska Fairbanks North Star Borough 60 High Not Available 1979 Flood Risk Reduction
Moose Creek Dam - East Cutoff Dike Alaska Fairbanks North Star Borough 60 High Not Available 1979 Flood Risk Reduction
Upper Silvis Alaska Ketchikan Gateway Borough 60 Low Satisfactory 1968 Hydroelectric
Monashka Creek Dam Alaska Kodiak Island Borough 58 Significant Satisfactory 1982 Water Supply
Eklutna Dam Alaska Municipality of Anchorage 56 High Satisfactory 1965 Hydroelectric
Hess Creek Dam Alaska Yukon-Koyukuk Census Area 56 Significant Unsatisfactory 1946 Water Supply
Solomon Gulch Spillway Alaska Chugach Census Area 55 High Satisfactory 1981 Hydroelectric
Cooper Lake Alaska Kenai Peninsula Borough 52 High Satisfactory 1959 Hydroelectric
Ship Creek Dam Alaska Municipality of Anchorage 50 High Fair 1954 Water Supply
Two Bull Ridge Pond T5 Dam Alaska Denali Borough 49 Low Fair 2000 Other
Pillar Creek Dam No.1.A Alaska Kodiak Island Borough 45 Significant Fair 1969 Water Supply
Monashka Creek Dike Alaska Kodiak Island Borough 45 Significant Satisfactory 1982 Water Supply
Crystal Lake Alaska Petersburg Borough 43 High Satisfactory 1955 Hydroelectric
Shotgun Creek Div Alaska Kodiak Island Borough 40 Low Satisfactory 1984 Hydroelectric
Whitman Lake Alaska Ketchikan Gateway Borough 39 High Satisfactory 1927 Hydroelectric
Cabin Creek Dam Alaska Petersburg Borough 38 Significant Fair 1996 Water Supply
New Kake Dam Alaska Prince of Wales-Hyder Census Area 38 High Satisfactory 2007 Water Supply
Chester Lake Alaska Prince of Wales-Hyder Census Area 35 High Satisfactory 1986 Water Supply
Ketchikan Lakes Alaska Ketchikan Gateway Borough 34 High Satisfactory 1957 Hydroelectric
Red Dog Mine Water Diversion Dam Alaska Northwest Arctic Borough 34 Low Fair 1991 Flood Risk Reduction
Lowell Creek Alaska Kenai Peninsula Borough 34 High Not Rated 1945 Flood Risk Reduction
Sand Pit Dam Alaska City and Borough of Juneau 33 Low Fair 2016 Debris Control
A F K Hatchery Dam Alaska Chugach Census Area 32 Low Satisfactory 1977 Water Supply
Lower Silvis Alaska Ketchikan Gateway Borough 32 Low Satisfactory 1954 Hydroelectric
Bart Lake Dam Alaska City and Borough of Juneau 31 Low Satisfactory 2009 Hydroelectric
Carlanna Lake Alaska Ketchikan Gateway Borough 31 High Satisfactory 1975 Water Supply
Grant Mine Tailings Dam Alaska Fairbanks North Star Borough 30 Significant Not Rated 1987 Tailings
Long Lake Dam Alaska City and Borough of Juneau 30 Low Fair 1973 Hydroelectric
Pond 7 Dam Alaska City and Borough of Juneau 30 Significant Satisfactory 2005 Flood Risk Reduction
Dewey Forebay Alaska Municipality of Skagway 30 Low Satisfactory 1905 Hydroelectric
Wrangell Upper Alaska City and Borough of Wrangell 28 High Poor 1967 Water Supply

Frequently Asked Questions

Hazard potential is based on the consequences of dam failure, not the condition of the dam. High hazard means loss of human life is probable. Significant means economic and environmental losses are expected but no probable loss of life. Low means minimal losses are expected. The classification considers downstream population, infrastructure, and environmental resources.

Condition ratings reflect the physical state of the dam based on periodic inspections. Satisfactory means no deficiencies found. Fair means minor issues exist but no immediate action needed. Poor means safety deficiencies require remedial action. Unsatisfactory means the dam is unsafe and immediate corrective action is required.

Yes. Use the search field above to find dams by name. You can also combine the search with state, hazard, and condition filters to narrow your results. Each dam record links to a detail page with complete information.