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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
Island Pond Dam New Hampshire Sullivan 13 Low Satisfactory 1861 Recreation
Ashuelot Pond Dam New Hampshire Sullivan 13 High Poor 1872 Recreation
Purity Lake Dam New Hampshire Carroll 13 High Poor 1750 Recreation
Pillsbury Lake Dam New Hampshire Merrimack 13 Low Satisfactory 1964 Recreation
Mountain Pond Dam New Hampshire Hillsborough 13 Low Fair 1930 Fish and Wildlife Pond
Lisbon Wastewater Lagoons Dam New Hampshire Grafton 13 Significant Satisfactory — Other
Fifield Farm Pond Dam New Hampshire Merrimack 13 Low Fair 1966 Fish and Wildlife Pond
Rockingham Cnty Wastewtr Lagoon Dam New Hampshire Rockingham 13 Significant Satisfactory 1990 Other
Hall Mountain Marsh Dam New Hampshire Merrimack 13 Low Fair 1945 Recreation
Northwood Lake Dam New Hampshire Merrimack 13 High Poor 1926 Recreation
Skatutakee Lake Dam New Hampshire Cheshire 13 Significant Satisfactory 1778 Recreation
Holt Pond Dam New Hampshire Hillsborough 13 Low Satisfactory 1890 Water Supply
Robb Reservoir Dam New Hampshire Cheshire 13 Low Fair 1912 Recreation
Big Dan Hole Pond Dam New Hampshire Carroll 13 Significant Fair 1910 Recreation
New Pond Dam New Hampshire Merrimack 13 Low Not Rated 1885 Recreation
Pleasant Lake Dam New Hampshire Merrimack 13 High Satisfactory 1850 Recreation
Shop Pond Dam New Hampshire Rockingham 13 Significant Satisfactory 1930 Recreation
Hermit Hill Farm Pond Dam New Hampshire Grafton 13 Low Satisfactory 1975 Fish and Wildlife Pond
Souhegan River Site 15 Dam New Hampshire Hillsborough 13 Significant Fair 1963 Flood Risk Reduction
Burns Lake Dam New Hampshire Coos 13 Low Fair 1921 Recreation
Avery New Hampshire Belknap 13 Low Satisfactory 1947 Hydroelectric
Cheshire New Hampshire Cheshire 13 Low Satisfactory 1939 Hydroelectric
Tannery Pond Dam New Hampshire Merrimack 12 Low Satisfactory 1850 Recreation
Gregg Lake Dam New Hampshire Hillsborough 12 High Poor 1908 Recreation
Taylor Pond Dam New Hampshire Hillsborough 12 Low Fair 1965 Recreation
Village Pond Dam New Hampshire Cheshire 12 Low Satisfactory 1915 Recreation
Daniels Lake Dam New Hampshire Hillsborough 12 Low Poor 1961 Recreation
Exeter Sewage Lagoon Dam New Hampshire Rockingham 12 Significant Satisfactory 1989 Other
Russell Reservoir Dam New Hampshire Cheshire 12 Low Fair 1923 Recreation
Deer Pond Dam New Hampshire Rockingham 12 Low Fair 1963 Recreation
Otter Pond Dam New Hampshire Sullivan 12 Low Satisfactory 1920 Recreation
Morgan Pond Dam New Hampshire Sullivan 12 Significant Fair 1939 Recreation
Morey Pond Dam New Hampshire Merrimack 12 Low Fair — Recreation
Shellcamp Pond Dam New Hampshire Belknap 12 Low Satisfactory 1920 Recreation
Kilton Pond Dam New Hampshire Grafton 12 Low Fair 1930 Recreation
Sand Pond Dam New Hampshire Cheshire 12 Low Fair 1925 Recreation
Swanzey Lake Dam New Hampshire Cheshire 12 Low Fair 1790 Recreation
Silver Lake Dam New Hampshire Cheshire 12 Low Satisfactory 1924 Recreation
Akers Pond Dam New Hampshire Coos 12 Low Satisfactory 1930 Recreation
Newfound Lake Dam New Hampshire Grafton 12 High Poor 1840 Recreation
Piscassic Ice Pond Dam New Hampshire Rockingham 12 Low Fair 1939 Recreation
Stark Pond Dam New Hampshire Merrimack 12 Low Satisfactory 1760 Fish and Wildlife Pond
North Village Dam New Hampshire Hillsborough 12 Low Fair 1836 Recreation
Hillsborough Sewage Lagoon Dam New Hampshire Hillsborough 12 Significant Fair 1984 Other
Pawtuckaway Lake/ Drowns Dike New Hampshire Rockingham 12 Low Poor 1842 Recreation
Richardson Brook Pond Dam New Hampshire Sullivan 12 Low Poor 1968 Recreation
Black Fox Pond Dam New Hampshire Hillsborough 12 Low Satisfactory 1975 Recreation
Jackson Pond Dam New Hampshire Belknap 12 Significant Satisfactory 1894 Recreation
Spoonwood Pond Dam New Hampshire Cheshire 12 Low Not Rated 1855 Recreation
Drew Lake South Weir New Hampshire Hillsborough 12 Low Not Rated — Flood Risk Reduction

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.