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Geography Home Browse by State Browse by Feature Definitions Top 10 |
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Geography Home Browse by State Browse by Feature Definitions Top 10 |
New Hampshire Dam
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Feature Name
|
County
|
Latitude
|
Longitude
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| Abbott Memorial Trust Dam | Hillsborough | 42.845 | -71.74 |
| Adams Pond Dam | Belknap | 43.45667 | -71.245 |
| Akers Pond Dam | Coos | 44.79167 | -71.15 |
| Alton Power Dam | Belknap | 43.455 | -71.23 |
| Ammonoosuc River Dam | Grafton | 44.16667 | -71.97667 |
| Amoskeag Dam | Hillsborough | 43.00333 | -71.47 |
| Anderson Dam | Coos | 44.49139 | -71.13944 |
| Angle Pond Dam | Rockingham | 42.90167 | -71.15167 |
| Apthorp Dam | Grafton | 44.30833 | -71.74667 |
| Arlington Mill Reservoir East Dike | Rockingham | 42.81333 | -71.20833 |
| Arlington Mill Reservoir West Dike | Rockingham | 42.815 | -71.20833 |
| Arthur H Fox Memorial Dam | Carroll | 43.645 | -71.04667 |
| Ashland Gristmill Dam | Grafton | ||
| Ashland Mill Dam | Grafton | 43.695 | -71.63 |
| Ashland Town Sewage Lagoon Dikes | Grafton | 43.69 | -71.64333 |
| Ashuelot Pond Dam | Sullivan | 43.15028 | -72.15778 |
| Ashuelot River Dam | Cheshire | 42.93333 | -72.29 |
| Ashuelot River Dickinson Dam | Cheshire | 42.87 | -72.32833 |
| Avery Dam | Belknap | 43.52833 | -71.46833 |
| Ayers Island Dam | Grafton | 43.59806 | -71.71806 |
| Ayers Lake Dam | Strafford | 43.24833 | -71.05861 |
| Ayers Pond Dam | Hillsborough | 42.70833 | -71.42333 |
| Babbidge Reservoir Dam | Cheshire | 42.93333 | -72.22333 |
| Back Lake Dam | Coos | 45.085 | -71.36333 |
| Back Pond Dam | Coos | 44.98167 | -71.51167 |
| Badger Pond Dam | Belknap | 43.45167 | -71.46694 |
| Baker Floodwater Reservoir Site 11 Dam | Grafton | 43.865 | -71.9 |
| Baker Floodwater Reservoir Site 11a Dam | Grafton | 43.84833 | -71.89167 |
| Baker Floodwater Reservoir Site 2 Dam | Grafton | 43.94 | -71.89 |
| Baker Floodwater Reservoir Site 5 Dam | Grafton | 43.88167 | -71.91167 |
| Baker Floodwater Reservoir Site 6 Dam | Grafton | 43.88667 | -71.95833 |
| Baker Floodwater Reservoir Site 6A Dam | Grafton | 43.855 | -71.92667 |
| Baker Floodwater Reservoir Site 8 Dam | Grafton | 43.775 | -71.915 |
| Ballard Pond Dam Omitted | Rockingham | 42.87667 | -71.24167 |
| Ballard Pond Upper Dam | Rockingham | 42.87667 | -71.24667 |
| Baltic Mills Dam | Grafton | 43.64333 | -72.135 |
| Bancroft Reservoir Dam | Cheshire | 42.735 | -71.95 |
| Barnstead Parade Dam | Belknap | 43.33167 | -71.29167 |
| Bates Mill Pond Dam | Sullivan | 43.16333 | -72.39222 |
| Baxter Lake Center Dike | Strafford | 43.32333 | -71.04 |
| Baxter Lake Easterly Dike | Strafford | 43.32167 | -71.035 |
| Baxter Lake Main Dam | Strafford | 43.32 | -71.045 |
| Baxter Mill Dam | Strafford | 43.33667 | -70.93667 |
| Bean Dam | Belknap | 43.46667 | -71.44333 |
| Bear Brook State Park Dam | Merrimack | 43.165 | -71.38667 |
| Bear Pond Dam | Merrimack | 43.23167 | -71.78333 |
| Beaver Brook Dam | Rockingham | 42.895 | -71.30833 |
| Beaver Lake Dam | Rockingham | 42.90167 | -71.3 |
| Beaver Pond Dam | Grafton | 44.045 | -71.79333 |
| Bellamy Reservoir Dam | Strafford | 43.18 | -70.95028 |
| Belleau Lake Dam | Carroll | 43.64333 | -70.98667 |
| Bellows Falls Dam | Cheshire | 43.13833 | -72.44667 |
| Benjamin C Adams Dam | Rockingham | 42.89667 | -71.26333 |
| Benton Pond Hydro Dam | Merrimack | 43.52 | -71.83833 |
| Berry Bay Dam | Carroll | 43.795 | -71.06167 |
| Berry Brook Dam | Strafford | 43.31667 | -71.08333 |
| Berry Pond Dam | Merrimack | 43.28333 | -71.29667 |
| Berrys River Dam | Strafford | 43.27167 | -71.06333 |
| Bethlehem Dam | Grafton | 44.29 | -71.65 |
| Big Brook Bog Dam | Coos | 45.16167 | -71.21833 |
| Big Island Pond Dam | Rockingham | 42.85667 | -71.21333 |
| Bixby Pond Dam | Merrimack | 43.22278 | -71.3175 |
| Black Brook Dam | Hillsborough | 43.01833 | -71.46333 |
| Black Pond Dam | Hillsborough | 43.11167 | -72.01333 |
| Black Reservoir Lower Dam | Cheshire | 42.79194 | -71.98472 |
| Black Reservoir Upper Dam | Cheshire | 42.79 | -71.98 |
| Blackwater Dam | Merrimack | 43.31583 | -71.72389 |
| Blaisdell Lake Dam | Merrimack | 43.28167 | -71.92667 |
| Blow-Me-Down Pond Dam | Sullivan | 43.49667 | -72.37333 |
| Bog Brook Dam | Sullivan | 43.525 | -72.07833 |
| Bog Pond Dam | Merrimack | 43.51778 | -71.84083 |
| Boston Lot Lake Dam | Grafton | 43.665 | -72.29167 |
| Bow Lake Dam | Strafford | 43.2425 | -71.15389 |
| Bowers Dam | Hillsborough | 42.8 | -71.49417 |
| Bowkerville Dam | Cheshire | 42.80167 | -72.16833 |
| Bradley Lake Dam | Merrimack | 43.41833 | -71.82333 |
| Branch River Dam Number 1 | Strafford | 43.49333 | -71.02 |
| Briar Pipe Dam | Merrimack | 43.27333 | -71.60333 |
| Buck Street East Dam | Merrimack | 43.16 | -71.40667 |
| Buck Street West Dam | Merrimack | 43.16 | -71.40833 |
| Bunker Pond Dam | Rockingham | 42.0375 | -71.13306 |
| Burn Lake Dam | Coos | 44.35306 | -71.64194 |
| Burton Pond Dam | Hillsborough | 42.83167 | -71.81333 |
| Burtt Wildlife Pond Dam | Rockingham | 43.20167 | -71.205 |
| Butterfield Pond Dam | Sullivan | 43.22667 | -72.11833 |
| Butternut Pond Dam | Sullivan | 43.555 | -72.13333 |
| California Brook Dam | Cheshire | 42.86167 | -72.33667 |
| Campbell Pond Dam | Hillsborough | 43.08444 | -71.94139 |
| Campton Bog Pond Dam | Grafton | 43.81167 | -71.70167 |
| Campton Pond Dam | Grafton | 43.86167 | -71.63333 |
| Canobie Lake Dam | Hillsborough | 42.79167 | -71.25333 |
| Cascade Alpine Water Supply Dam | Coos | 44.45 | -71.17333 |
| Cascade Brook Dam | Merrimack | 43.38667 | -71.91833 |
| Cascade Cross Power Station Dam | Coos | 44.48667 | -71.16667 |
| Cascade Dam | Coos | 44.44833 | -71.18833 |
| Cascade Mill Aeration Lagoon Dam | Coos | 44.445 | -71.18833 |
| Center Dam | Merrimack | 43.36667 | -71.48167 |
| Center Harbor Sewage Lagoon Dikes | Belknap | 43.71667 | -71.465 |
| Center Pond Dam | Cheshire | 42.99 | -72.13667 |
| Champlin Pond Dam | Strafford | 43.27694 | -70.93083 |
| Chandler Meadow Pond Dam | Cheshire | 43.04167 | -72.15167 |
| Chandler Pond Dam | Grafton | 44.15667 | -71.87333 |
| Chase Pond Dam | Merrimack | 43.41667 | -71.91167 |
| Chesham Pond Dam | Cheshire | 42.93833 | -72.14167 |
| Cheshire Pond Dam | Cheshire | 42.81667 | -72.01 |
| Chickenboro Brook Reservoir Dam | Grafton | 43.86833 | -71.60333 |
| Childs Bog Dam | Cheshire | 42.95167 | -72.12333 |
| China Dam | Merrimack | 43.13 | -71.45667 |
| Chocorua River Dam | Belknap | 43.87833 | -71.21667 |
| Claremont Paper Company Dam | Sullivan | 43.37333 | -72.34667 |
| Clark Pond East Dam | Rockingham | 43.02 | -71.35167 |
| Clark Pond West Dam | Rockingham | 43.02 | -71.35333 |
| Clay Brook Dam | Sullivan | 43.245 | -72.42 |
| Club Pond Dam | Strafford | 43.43167 | -71.15333 |
| Cocheco River Number 2 Dam | Strafford | 43.19667 | -70.875 |
| Coffin Pond Dam | Grafton | 44.24167 | -71.76167 |
| Cold River Dam Number 8 | Sullivan | 43.25667 | -72.16167 |
| Cold Spring Pond Dam | Cheshire | 43.09944 | -72.15139 |
| Comerford Station Dam | Grafton | 44.325 | -72.00167 |
| Concord Water Works Dam | Merrimack | 43.24333 | -71.57833 |
| Connecticut Groveton Dam | Coos | 44.55833 | -71.55333 |
| Contoocook Lake Dam | Cheshire | 42.80083 | -72.02722 |
| Contoocook Valley Paper Company Dam | Merrimack | 43.16833 | -71.84 |
| Contoocook Village Dam | Merrimack | 43.22167 | -71.71667 |
| Conway Lake Dam | Carroll | 43.985 | -71.05333 |
| Coon Brook Bog Dam | Coos | 45.14167 | -71.25 |
| Copps Pond Dam | Carroll | 43.67833 | -71.28333 |
| Coy Dam | Sullivan | 43.39 | -72.37667 |
| Cranberry Pond Dam | Cheshire | 43.075 | -72.29 |
| Crescent Lake Dam | Carroll | 43.59 | -71.20167 |
| Crowcroft Pond Dam | Cheshire | 42.75 | -71.99667 |
| Crystal Lake Enfield Dam | Grafton | 43.61167 | -72.08333 |
| Crystal Lake-Gilmanton Dam | Belknap | 43.425 | -71.30833 |
| Cummings Dam | Grafton | 43.64333 | -72.25333 |
| Cummings Meadow Dam | Cheshire | 42.83 | -72.095 |
| Cummins Pond Dam | Grafton | 43.77667 | -72.015 |
| Currier Dam | Strafford | 43.43333 | -71.08167 |
| Damon Mill Pond Dam | Cheshire | 42.725 | -72.08167 |
| Damon Upper Reservoir Dam | Cheshire | 42.73167 | -72.08167 |
| Dan Hole Pond Dam | Carroll | 43.73333 | -71.20833 |
| Dan Hole River Dam | Belknap | 43.75333 | -71.17167 |
| Daniels Lake Dam | Hillsborough | 43.03333 | -71.67333 |
| Deer Pond Dam | Rockingham | 43.08833 | -71.2 |
| Deering Reservoir Dam | Hillsborough | 43.05194 | -71.84111 |
| Dick Brown Pond Dam | Grafton | 43.67833 | -71.70833 |
| Dixie Dam | Coos | 44.86778 | -71.19278 |
| Dodge Pond Dam | Grafton | 44.27833 | -71.92167 |
| Dole Reservoir Dam | Sullivan | 43.38833 | -72.33167 |
| Dolloff Dam | Rockingham | 43.07333 | -71.15 |
| Dorrs Pond Dam | Hillsborough | 43.01333 | -71.45667 |
| Downing Pond Dam | Strafford | 43.43667 | -71.17333 |
| Drew Lake Dam | Merrimack | 43.16333 | -71.69333 |
| Drowns Dam | Rockingham | 43.10833 | -71.12667 |
| Dubes Pond Dam | Merrimack | 43.06667 | -71.39667 |
| Dublin Pond Dam | Cheshire | 42.90333 | -72.09 |
| Dudley Pond Dam | Hillsborough | 43.1175 | -71.82611 |
| Dunklee Pond Dam | Hillsborough | 42.77167 | -71.58 |
| Dustin Pond Dam | Rockingham | 42.97 | -71.08667 |
| East Dam | Merrimack | 43.37 | -71.47833 |
| East Inlet Dam | Coos | 45.18 | -71.15667 |
| East Turning Pond Dam | Merrimack | 43.35833 | -71.48333 |
| Eastman Falls Dam | Merrimack | 43.44833 | -71.65833 |
| Eastman Lake Dam | Sullivan | 43.64167 | -72.11667 |
| Echo Lake Dam | Cheshire | 42.95167 | -72.18 |
| Edward H York Dam | Merrimack | 43.27 | -71.61333 |
| Edward MacDowell Dam | Hillsborough | 42.89417 | -71.98694 |
| Enfield Reservoir Dam | Grafton | 43.66472 | -72.15111 |
| Errol Dam | Coos | 44.78694 | -71.12583 |
| Everett Dam | Hillsborough | 43.09306 | -71.66056 |
| Exeter River Dam 1 | Rockingham | 42.98167 | -70.94833 |
| Exeter Water Works Dam | Rockingham | 42.9875 | -70.93528 |
| Farley Brook Dam | Hillsborough | 42.805 | -71.55833 |
| Farm Reservoir Dam | Coos | 44.87 | -71.31833 |
| Fearon Farm Pond Dam | Hillsborough | 42.91167 | -71.63167 |
| Fifield Farm Pond Dam | Merrimack | 43.325 | -71.54833 |
| Filtrine Dam | Cheshire | 42.94333 | -72.09333 |
| First Connecticut Lake Dam | Coos | 45.08833 | -71.28833 |
| Fitch Reservoir Dam | Sullivan | 43.4 | -72.31333 |
| Flaghole Pond Dam | Merrimack | 43.28333 | -71.635 |
| Footes Pond Dam | Belknap | 43.61 | -71.49167 |
| Forest Lake Dam | Cheshire | 42.78861 | -72.37111 |
| Fox Pond Dam | Grafton | 43.75 | -71.69333 |
| Franklin Falls Dam | Merrimack | 43.45333 | -71.66 |
| Fullam Pond Dam | Cheshire | 42.85333 | -72.42667 |
| Garvins Falls Dam | Merrimack | 43.16556 | -71.51 |
| George Pond Dam | Grafton | 43.58083 | -72.10167 |
| Giles Pond Dam | Merrimack | 43.48667 | -71.65 |
| Gillan Pond Dam | Belknap | 43.46 | -71.335 |
| Gilman Pond Dam | Sullivan | 43.295 | -72.20167 |
| Gilman Project Dam | Coos | 44.41 | -71.71667 |
| Gilson Pond Dam | Cheshire | 42.86167 | -72.06833 |
| Glen Ellis Dam | Carroll | 44.12833 | -71.185 |
| Godfrey Dam | Coos | 44.48417 | -71.32 |
| Goffs Falls Dam | Hillsborough | 42.93139 | -71.45194 |
| Gold Mine Pond Dam | Grafton | 44.385 | -71.63333 |
| Goldfish Pond Dam | Merrimack | 43.02 | -71.44833 |
| Gonic Dam | Strafford | 43.27 | -70.97667 |
| Goodrich Dam | Cheshire | 42.89444 | -72.52361 |
| Goose Pond Dam | Cheshire | 42.97 | -72.295 |
| Gorham Dam | Coos | 44.39 | -71.16833 |
| Gorham Dam Brown Company | Coos | 44.40833 | -71.195 |
| Gove Dike | Strafford | 43.08167 | -71.13333 |
| Grafton Pond Dam | Grafton | 43.58 | -72.045 |
| Granite Lake Dam | Cheshire | 43.015 | -72.14833 |
| Grants Pond Dam | Grafton | 43.58333 | -71.88833 |
| Grassy Pond Dam | Merrimack | 43.21667 | -71.775 |
| Great East Lake Dam | Carroll | 43.56833 | -70.975 |
| Great Falls Upper Dam | Strafford | 43.26333 | -70.86333 |
| Gregg Lake Dam | Hillsborough | 43.03833 | -71.97833 |
| Gregg Mill Pond Dam | Hillsborough | 43.00667 | -71.66667 |
| Greggs Falls Dam | Hillsborough | 43.01833 | -71.56833 |
| Gumpas Pond Dam | Hillsborough | 42.72833 | -71.355 |
| Half Moon Pond Dam | Hillsborough | 42.93333 | -72.00167 |
| Hall Mountain Marsh Dam | Merrimack | 43.10333 | -71.35833 |
| Hall Pond Dam | Sullivan | 43.25222 | -72.36083 |
| Hampton Falls River Dam | Rockingham | 42.91 | -70.87167 |
| Hanover Center Reservoir Dam | Grafton | 43.71167 | -72.20167 |
| Harantis Dam | Rockingham | 42.935 | -71.28833 |
| Harris Pond Dam | Hillsborough | 42.7925 | -71.47944 |
| Harrisville Pond Dam | Cheshire | 42.945 | -72.09833 |
| Hawkins Pond Dam | Grafton | 43.68667 | -71.56333 |
| Haydens Mill Pond Dam | Hillsborough | 42.77 | -71.61 |
| Hayes Swamp Dam | Merrimack | 43.14167 | -71.36667 |
| Head Works Dam | Carroll | 43.795 | -71.06167 |
| Heads Pond Dam | Merrimack | 43.10833 | -71.45 |
| Hermit Hill Farm Pond Dam | Grafton | 43.84 | -72.11667 |
| High Service Distribution Reservoir Dam | Hillsborough | 43.00167 | -71.44167 |
| Highland Lake Dam | Merrimack | 43.46 | -71.75 |
| Highland Lake North Outlet Dam | Sullivan | 43.13833 | -72.08 |
| Highland Lake South Outlet Dam | Cheshire | 43.07917 | -72.09444 |
| Hildreth Dam | Grafton | 43.93889 | -71.88861 |
| Hillsborough Mills Dam | Hillsborough | 42.83833 | -71.72833 |
| Hoague-Sprague Dam | Merrimack | 43.19 | -71.75 |
| Hoit Road Marsh Dam | Merrimack | 43.29333 | -71.52833 |
| Holt Dam | Hillsborough | 42.80056 | -71.51639 |
| Hoods Pond Dam | Rockingham | 42.88333 | -71.33 |
| Hooksett Dam | Merrimack | 43.10167 | -71.46667 |
| Hopkinton Dam | Merrimack | 43.18833 | -71.74806 |
| Horn Pond Dam | Carroll | 43.555 | -70.955 |
| Horseshoe Pond Dam | Cheshire | 42.75333 | -72.17333 |
| Howe Reservoir Dam | Cheshire | 42.92639 | -72.13306 |
| Hoyt Brook Dam | Merrimack | 43.54167 | -71.89833 |
| Hubbard Pond Dam | Cheshire | 42.78333 | -71.97 |
| Hubner Pond Dam | Cheshire | 42.87 | -72.46833 |
| Huckins Dam | Merrimack | 43.22167 | -71.365 |
| Huckins Pond Dam | Carroll | 43.725 | -71.07167 |
| Hunts Pond Dam | Hillsborough | 42.98667 | -72.03 |
| Ice Pond Dam | Grafton | 44.31167 | -71.79833 |
| Improved Machinery Pond Dam | Hillsborough | 42.75 | -71.44333 |
| International Packings Corporation Lower Dam | Grafton | 43.6 | -71.74833 |
| International Packings Corporation Upper Dam | Grafton | 43.61167 | -71.74167 |
| International Paper Box Company Dam | Hillsborough | 42.75167 | -71.46333 |
| Island Pond Dam | Cheshire | 43.06333 | -72.08333 |
| J Brodie Smith Dam | Coos | 44.46833 | -71.175 |
| Jackson Plant Dam | Hillsborough | 42.76333 | -71.465 |
| Jaffrey Wastewater Treatment Plant Dam | Cheshire | 42.82 | -71.995 |
| Johnson Mill Dam | Merrimack | 43.43167 | -71.86833 |
| Kelleys Falls Dam | Hillsborough | 42.99333 | -71.49667 |
| Kendall Pond Dam | Rockingham | 42.84 | -71.35 |
| Kenneth Hill Dam | Strafford | 43.27833 | -71.10333 |
| Kilburn Pond Dam | Cheshire | 42.825 | -72.47 |
| Kilton Pond Dam | Grafton | 43.58167 | -71.97833 |
| Kim Day Dam (historical) | Coos | 45.09222 | -71.40917 |
| Kimball Pond Dam | Merrimack | 43.085 | -71.57667 |
| Kimble Lake Dam | Merrimack | 43.18833 | -71.66667 |
| Kingston Dam | Coos | 44.76944 | -71.3325 |
| Kingswood Lake Dam | Carroll | 43.55639 | -71.08083 |
| Knights Meadow Marsh Dam | Merrimack | 43.32167 | -71.75833 |
| Knowles Pond Dam | Merrimack | 43.42833 | -71.545 |
| Lake Abeniki Dam | Coos | 44.87167 | -71.29167 |
| Lake Armington Dam | Grafton | 43.96667 | -71.965 |
| Lake Franklin Pierce Dam | Hillsborough | 43.145 | -71.94833 |
| Lake Gloriette Dam | Coos | 44.86667 | -71.30333 |
| Lake Gloriette Dike | Coos | 44.86833 | -71.30333 |
| Lake Kanasatka Dam | Carroll | 43.715 | -71.445 |
| Lake Skatutakee Dam | Cheshire | 42.93833 | -72.065 |
| Lake Sunapee Dam | Sullivan | 43.385 | -72.08 |
| Lake Tarleton Dam | Grafton | 43.985 | -71.97333 |
| Lake Warren Dam | Cheshire | 43.12167 | -72.29833 |
| Lake Waukewan Dam | Belknap | 43.655 | -71.50167 |
| Lake Winnepocket Dam | Merrimack | 43.31167 | -71.75167 |
| Lakeport Dam | Belknap | 43.54833 | -71.46667 |
| Larrys Pond Dam | Cheshire | 42.765 | -72.22333 |
| Lige Pond Dam | Belknap | 43.60667 | -71.64333 |
| Lime Pond Dam | Coos | 44.87167 | -71.48944 |
| Lincoln Sewage Lagoon Dikes | Grafton | 44.03667 | -71.67333 |
| Little Bog Pond Dam | Coos | 44.70167 | -71.38667 |
| Little Cub Pond Dam | Rockingham | 42.91833 | -71.14 |
| Little Pea Porridge Pond Dam | Carroll | 43.93667 | -71.13833 |
| Little River Dam | Rockingham | 42.98389 | -70.9725 |
| Loch Lyndon Reservoir Dam | Merrimack | 43.29833 | -71.96667 |
| Lochmere Dam | Belknap | 43.47333 | -71.535 |
| Locke Lake Colony Dam | Belknap | 43.38333 | -71.22667 |
| Locke Waterville Corporation Dam | Grafton | 43.86833 | -71.60333 |
| Locke Waterville Corporation Number 2 Dam | Grafton | 43.87 | -71.6 |
| Londonderry Treatment Lagoon Dike | Rockingham | 42.86167 | -71.33667 |
| Long Pond Brook Dam | Sullivan | 43.40667 | -72.14333 |
| Long Pond Dam | Grafton | 44.05833 | -71.89 |
| Long Pond Dike | Merrimack | 43.36833 | -71.485 |
| Loon Pond Dam | Grafton | 44.03611 | -71.63528 |
| Lovell Lake Dam | Carroll | 43.55333 | -71.025 |
| Lower Beech Pond Dam | Carroll | 43.67667 | -71.205 |
| Lower Dam | Coos | 44.99833 | -71.53167 |
| Lower Groveton Dam | Coos | 44.59333 | -71.515 |
| Lower Lisbon Dam | Grafton | 44.215 | -71.91333 |
| Lower Mountain Lake Dam | Grafton | 44.11833 | -71.95667 |
| Lower Reservoir Dam | Grafton | 43.71833 | -72.24833 |
| Lower Wilson Pond Dam | Cheshire | 42.89667 | -72.26333 |
| Lyford Pond Dike | Merrimack | 43.39806 | -71.48667 |
| Macallen Dam | Rockingham | 43.08167 | -70.935 |
| Marchs Pond Dam | Strafford | 43.46333 | -71.13167 |
| Marshall Pond Dam | Sullivan | 43.31639 | -72.27139 |
| Marston Pond Dam | Rockingham | 43.12 | -71.05 |
| Mascoma Lake Dam | Grafton | 43.64861 | -72.18194 |
| Mascoma River Dam | Sullivan | 43.63833 | -72.25667 |
| Mascoma River Dam Number 2 | Sullivan | 43.63667 | -72.29667 |
| Mascoma River Dam Number 3 | Grafton | 43.635 | -72.305 |
| Massabesic Lake Dam | Hillsborough | 42.96333 | -71.395 |
| Mast Point Dam | Strafford | 43.28667 | -70.89833 |
| McIndoes Station Dam | Grafton | 44.32833 | -72.06 |
| Meadow Pond Dam | Carroll | 44.11333 | -71.20833 |
| Meetinghouse Pond Dam | Cheshire | 42.885 | -72.18667 |
| Mendums Pond Dam | Strafford | 43.16417 | -71.06889 |
| Meredith Reservoir Dam | Belknap | 43.63167 | -71.50667 |
| Merrimack Village Dam | Hillsborough | 42.86 | -71.49333 |
| Merrymeeting Lake Dam | Strafford | 43.47528 | -71.17917 |
| Milford Town Dam | Hillsborough | 42.83667 | -71.64667 |
| Mill Pond Dam | Cheshire | 43.09167 | -72.43 |
| Millar Pond Dam | Sullivan | 43.53667 | -72.16667 |
| Millen Lake Dam | Sullivan | 43.15167 | -72.12833 |
| Miller Pond Dam | Coos | 44.28167 | -71.725 |
| Millville Reservoir Dam | Rockingham | 42.79778 | -71.21278 |
| Milo Lake Dam | Grafton | 43.83833 | -71.64833 |
| Milton Leather Board Dam | Strafford | 43.40833 | -70.98667 |
| Milton Three Ponds Dam | Strafford | 43.41333 | -70.98667 |
| Mine Falls Dam | Hillsborough | 42.74833 | -71.50667 |
| Minnewawa Dam | Cheshire | 42.91667 | -72.18 |
| Mirror Lake Dam | Grafton | 43.92167 | -71.69167 |
| Moeckel Pond Dam | Rockingham | 42.76333 | -71.30333 |
| Mollywocket Brook Dam | Coos | 44.48667 | -71.11667 |
| Monadnock Power Station Dam | Hillsborough | 43 | -71.92667 |
| Moose Brook Dam | Coos | 44.88167 | -71.31833 |
| Moose Falls Dam | Coos | 45.19 | -71.19 |
| Morey Pond Dam | Merrimack | 43.41 | -71.86333 |
| Morgan Pond Dam | Sullivan | 43.475 | -72.01667 |
| Mountain Brook Dam | Cheshire | 42.80333 | -72.03 |
| Mud Pond Dam | Cheshire | 42.90333 | -72.01833 |
| Nashua Canal Dike | Hillsborough | 42.75333 | -71.5 |
| Naticook Lake Dam | Hillsborough | 42.82167 | -71.525 |
| New Dam | Strafford | 43.26 | -70.86 |
| New Durham Dam | Strafford | 43.44667 | -71.17833 |
| New England Box Company Dam | Cheshire | 42.77667 | -72.385 |
| New Pond Dam | Merrimack | 43.4 | -71.72833 |
| Newfound Lake Dam | Grafton | 43.61667 | -71.74333 |
| Nippo Pond Dam | Strafford | 43.22556 | -71.08639 |
| Noone Mills Dam | Hillsborough | 42.86 | -71.96167 |
| North Village Dam | Hillsborough | 42.89833 | -71.94167 |
| Northwood Lake Dam | Merrimack | 43.22 | -71.29167 |