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Browse Dams

665 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 665 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.

Clear
Name State County Height (ft) Hazard Condition Year Purpose
Highland Lake Dam New Hampshire Cheshire 11 High Poor 1911 Recreation
Baker Brook Pond Dam New Hampshire Grafton 11 Significant Poor 1928 Recreation
Colby Brook Dam New Hampshire Rockingham 11 Low Fair — Recreation
Lochmere New Hampshire Belknap 11 Low Satisfactory 1910 Hydroelectric
Morrill Mill Pond Dam New Hampshire Merrimack 11 Low Poor 1800 Fish and Wildlife Pond
Upper Peverly Pond Dam New Hampshire Rockingham 11 Low Fair 1935 Other
Emery Road Dam New Hampshire Merrimack 10 Low Fair 1910 Fish and Wildlife Pond
Riverdale Dam New Hampshire Hillsborough 10 Low Not Rated — Flood Risk Reduction
Otter Brook Dam New Hampshire Hillsborough 10 Low Fair 1928 Recreation
Moose Falls Dam New Hampshire Coos 10 Significant Poor 1950 Fish and Wildlife Pond
Sand Pond Dam New Hampshire Cheshire 10 Significant Fair 1920 Recreation
Sauls Pond Dam New Hampshire Rockingham 10 Low Poor 1988 Recreation
Gillan Pond Dam New Hampshire Belknap 10 Low Poor 1971 Recreation
Hayes Marsh Dam New Hampshire Merrimack 10 Low Fair 1951 Recreation
Robbins Pond Dam New Hampshire Cheshire 10 Low Satisfactory 1918 Fish and Wildlife Pond
Wildlife Pond Dam New Hampshire Hillsborough 10 Undetermined Not Rated — Fish and Wildlife Pond
Camp Foss Sewage Lagoon Dam New Hampshire Strafford 10 Significant Poor 1979 Other
Scott Pond Dam New Hampshire Cheshire 10 Significant Poor 1918 Recreation
Pearl Lake Dam New Hampshire Grafton 10 Low Poor 1930 Recreation
Rochester Sewage Lagoon Dam New Hampshire Strafford 10 Significant Satisfactory 1980 Other
Cummins Pond Dam New Hampshire Grafton 10 Low Satisfactory 1880 Recreation
Mill Pond Dam New Hampshire Strafford 10 Low Poor 1935 Recreation
Crowcroft Pond Dam New Hampshire Cheshire 10 Low Fair 1939 Recreation
Highland Lake Dam New Hampshire Merrimack 10 Significant Fair 1935 Recreation
Black Reservoir Dam New Hampshire Cheshire 10 Significant Poor 1850 Recreation
Long Pond Dam New Hampshire Sullivan 10 Low Fair 1910 Recreation
Uncanoonuc Lake Dam New Hampshire Hillsborough 10 High Satisfactory 1936 Recreation
Mud Pond Dam New Hampshire Coos 10 Low Fair 1920 Water Supply
Currier Pond Dam New Hampshire Strafford 10 Low Poor 1963 Recreation
Gumpas Pond Dam New Hampshire Hillsborough 10 High Poor 1900 Recreation
Arlington Mills Res West Dike New Hampshire Rockingham 10 Low Satisfactory 1922 Water Supply
Huckins Mill Pond Dam New Hampshire Carroll 10 Low Poor 1947 Recreation
Coon Brook Bog Dam New Hampshire Coos 10 Low Poor 1947 Recreation
Little Cohas Brook Dam New Hampshire Rockingham 10 Low Satisfactory 1953 Recreation
Black Pond Dam New Hampshire Hillsborough 10 Low Fair 1926 Recreation
Cole Pond Dam New Hampshire Merrimack 10 Low Satisfactory 1973 Recreation
Lime Pond Dam New Hampshire Coos 10 Low Satisfactory 1934 Recreation
Coffin Pond Dam New Hampshire Grafton 10 Low Poor 1960 Recreation
Adams Pond Dam New Hampshire Belknap 10 Low Fair 1962 Recreation
Willow Pond Dam New Hampshire Sullivan 10 Low Satisfactory 1982 Recreation
Baxter Lake East Dike New Hampshire Strafford 10 Low Fair 1923 Recreation
Baxter Lake Center Dike New Hampshire Strafford 10 Low Fair 1923 Recreation
Exeter Sewage Holding Pond Dam New Hampshire Rockingham 10 Significant Satisfactory 1989 Other
Seavey Pond Dike Access Road Dam New Hampshire Rockingham 10 Low Fair 2002 Recreation
Lower Beech Pond Dam New Hampshire Carroll 10 Low Satisfactory 1860 Recreation
Commerce Park Wildlife Pond Dam New Hampshire Hillsborough 10 Low Not Rated 1972 Fish and Wildlife Pond
Campton Bog Pond Dam New Hampshire Grafton 10 Low Fair 1836 Recreation
Union Meadows Dam New Hampshire Carroll 10 Significant Poor 1935 Recreation
Kingswood Lake Dam New Hampshire Carroll 10 Low Not Rated 1900 Recreation
Lakeport New Hampshire Belknap 10 Significant Satisfactory 1958 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.