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Browse Dams

586 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 586 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
Rocky Bottom Maine Penobscot 20 Low Not Rated 1965 Hydroelectric
Mill Pond Maine Knox 20 Undetermined Not Rated 1915 Fire Protection, Stock, Or ...
Norway Hydro Maine Oxford 19 Low Satisfactory 1935 Hydroelectric
Mcdonough Brook Maine Oxford 19 High Fair 1973 Flood Risk Reduction
Otis Maine Franklin 19 Low Satisfactory 1898 Hydroelectric
Moxie Maine Somerset 19 High Fair 1925 Hydroelectric
Mattanawcook Pond Maine Penobscot 19 Low Poor 1918 Flood Risk Reduction
Dole Pond Maine Somerset 19 Low Satisfactory 1930 Hydroelectric
Songo Lock Maine Cumberland 19 Low Not Rated 1830 Navigation
Chesterville Marsh Maine Franklin 19 Low Not Rated 1900 Recreation
Kesslen Maine York 18 Low Satisfactory 1954 Hydroelectric
Bell Mill Maine Washington 18 Low Not Rated 1900 Fire Protection, Stock, Or ...
Mill Pond Lpp Maine Penobscot 18 Low Not Rated 1917 Flood Risk Reduction
Wayne Village Maine Kennebec 18 Low Satisfactory 1850 Flood Risk Reduction
Madison Paper Corp Log Maine Somerset 18 Low Not Rated 1900 Debris Control
Schools Farm Dam Maine Aroostook 18 Significant Poor — Irrigation
Twine Mill Maine York 18 Low Satisfactory 1980 Hydroelectric
Megunticook East Maine Knox 18 High Poor 1900 Fire Protection, Stock, Or ...
First Roach Pond Maine Piscataquis 18 Low Not Rated 1905 Hydroelectric
Smith's Mill Pond Maine Waldo 18 Low Not Rated 1900 Recreation
Dunham Brook Maine Piscataquis 18 High Satisfactory 1973 Flood Risk Reduction
Seven Mile Stream Maine Kennebec 18 Low Poor 1820 Recreation
Hallowell Recreation Pond Maine Kennebec 18 Low Not Rated 1919 Other
Snow's Pond Dike Maine Piscataquis 18 High Satisfactory — Hydroelectric
Fitch's Mill Pond Maine Cumberland 18 Low Not Rated 1790 Hydroelectric
Folsom Pond Maine Penobscot 18 Low Poor 1918 Flood Risk Reduction
Higgins Maine Somerset 18 Low Not Rated 1911 Fire Protection, Stock, Or ...
Robinson Maine Aroostook 18 Low Not Rated 1930 Fire Protection, Stock, Or ...
Batson River Maine York 18 Low Not Rated 1900 Hydroelectric
Houghton Pond Maine Sagadahoc 18 Low Fair 1880 Other
Trues Pond Maine Waldo 18 Low Not Rated 1870 Other
Frankfort Maine Waldo 18 Low Not Rated 1840 Fire Protection, Stock, Or ...
Lovejoy Pond Maine Kennebec 18 Low Satisfactory 1835 Recreation
Mill Pond Maine Cumberland 18 Low Not Rated 1890 Recreation
Dead River Maine Androscoggin 18 Low Not Rated 1900 Flood Risk Reduction
Montsweag Maine Lincoln 18 Low Not Rated 1941 Other
Billings Maine Oxford 18 Low Not Rated 1800 Hydroelectric
Lake Auburn Maine Androscoggin 17 High Unsatisfactory 1946 Fish and Wildlife Pond
Square Pond Maine York 17 Low Not Rated 1900 Flood Risk Reduction
Eustis Maine Franklin 17 Significant Fair 1952 Hydroelectric
Echo Lake Maine Aroostook 17 Low Fair 1963 Flood Risk Reduction
Lockwood Maine Kennebec 17 Low Satisfactory 1919 Hydroelectric
West Harbor Pond Maine Lincoln 17 Low Not Rated 1900 Other
Worumbo Maine Androscoggin 17 Low Satisfactory 1988 Hydroelectric
Jack's Pond Maine Aroostook 17 Significant Fair 1960 Irrigation
Loon Lake Maine Piscataquis 17 Low Satisfactory 1914 Hydroelectric
Gilman Stream Maine Somerset 17 Low Poor 1911 Hydroelectric
Mill Maine Kennebec 17 Low Not Rated 1830 Recreation
River Street Maine York 17 Significant Fair 1870 Recreation
Thompsons Maine Kennebec 17 Low Not Rated 1850 Fire Protection, Stock, Or ...

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.