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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
Lake Osprey Dam Alaska City and Borough of Sitka 8 Low Not Rated 1919 Water Supply
Alitak Cannery Dam #3 Alaska Kodiak Island Borough 8 Low Not Rated 1964 Water Supply
Hydaburg Dam Alaska Prince of Wales-Hyder Census Area 8 Significant Not Rated 1939 Water Supply
Roycroft Lake Alaska Kenai Peninsula Borough 7 Significant Not Rated 1979 Hydroelectric
Explorer Glacier Pond Dam Alaska Municipality of Anchorage 7 High Poor 1989 Fish and Wildlife Pond
C. P. P. Dam Alaska Matanuska-Susitna Borough 7 Low Satisfactory — Other
Icy Lake Dam Alaska Aleutians West Census Area 7 Low Not Rated 1995 Water Supply
Lake Lucile Dam Alaska Matanuska-Susitna Borough 6 Significant Satisfactory 1969 Fish and Wildlife Pond
Cremo Lake Dam Alaska Municipality of Anchorage 6 Significant Fair — Fish and Wildlife Pond
Pond 10 Dam Alaska — 0 Significant Satisfactory — Flood Risk Reduction
Chuniixsax Hydro Dam Alaska Aleutians West Census Area 0 Significant Not Rated — Hydroelectric

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.