List of dam removals in New Hampshire
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This is a list of dams in New Hampshire that have been removed as physical impediments to free-flowing rivers or streams.
Completed removals
| Dam[1] | Height | Year removed | Location | Watercourse | Watershed |
|---|---|---|---|---|---|
| Judd Brook Dam | 5.1 ft (1.6 m) | 2017 | Easton 44.1461°N 71.7734°W |
Judd Brook | Ammonoosuc River |
| Pearl Lake Brook Dam | 2008 | Lisbon 44.2069°N 71.8919°W |
Pearl Lake Brook | ||
| South Branch Gale River Dam | 14 ft (4.3 m) | 2020 | Bethlehem 44.2423°N 71.6378°W |
South Branch Gale River | |
| Munn Pond Dam | 6 ft (1.8 m) | 2019 | Errol 44.7354°N 71.1879°W |
Tributary to Androscoggin River | Androscoggin River |
| Homestead Woolen Mills Dam | 14 ft (4.3 m) | 2010 | Swanzey 42.8714°N 72.3281°W |
Ashuelot River | Ashuelot River |
| McGoldrick Dam | 2001 | Hinsdale 42.7877°N 72.4706°W | |||
| Winchester Dam | 3 ft (0.91 m) | 2002 | Winchester 42.7768°N 72.3834°W | ||
| Ferry Brook Dam | 11 ft (3.4 m) | 2019 | Keene 42.9755°N 72.2422°W |
Ferry Brook | |
| Pine Mill Dam | 15 ft (4.6 m) | 2019 | North Haverhill 44.0891°N 72.0251°W |
Clark Brook | Connecticut River |
| Clark Pond Dam | 2018 | Haverhill 44.0899°N 71.9977°W | |||
| Cold River Dam[2] | 7 ft (2.1 m) | 2003 | Walpole 43.1302°N 72.4187°W |
Cold River | |
| Lyman Falls Dam Remnant | 4 ft (1.2 m) | 2022 | Columbia 44.7774°N 71.5956°W |
Connecticut River | |
| Hubner Pond Dam | 30 ft (9.1 m) | 2019 | Chesterfield 42.8711°N 72.4691°W |
Tributary to Hubbard Brook | |
| Butternut Pond Dam | 2013 | Grantham 43.5536°N 72.1308°W |
Butternut Brook | Sugar River | |
| Stevens Brook Dam | 8 ft (2.4 m) | 2011 | Claremont 43.3876°N 72.3513°W |
Stevens Brook | |
| West Henniker Dam | 10 ft (3.0 m) | 2004 | Henniker 43.1654°N 71.8427°W |
Contoocook River | Contoocook River |
| Greene Wildlife Pond Dam (Ainsworth Pond Dam) | 13 ft (4.0 m) | 2015 | Jaffrey 42.821°N 72.0578°W |
Stony Brook | |
| Beaver Lake Dam | 8 ft (2.4 m) | 2012 | Derry 42.9016°N 71.2992°W |
Beaver Brook | Merrimack River |
| Berry Brook Reservoir Dam | 2013 | Pittsfield 43.2911°N 71.3010°W |
Berry Pond Brook | ||
| Maxwell Pond Dam | 15 ft (4.6 m) | 2009 | Manchester 43.0103°N 71.4791°W |
Black Brook | |
| Heads Pond Dam | 9 ft (2.7 m) | 2010 | Hooksett 43.1086°N 71.4485°W |
Browns Brook | |
| Jenkins Road McQuade Brook Dam | 14 ft (4.3 m) | 2012 | Bedford 42.9056°N 71.5237°W |
McQuade Brook | |
| McQuesten Dam #1 | 4 ft (1.2 m) | 2016 | Manchester 42.9694°N 71.4811°W |
McQuesten Brook | |
| McQuesten Dam #2 | 5 ft (1.5 m) | 2016 | Manchester 42.969°N 71.4813°W | ||
| McQuesten Dam #3 | 2.5 ft (0.76 m) | 2016 | Manchester 42.9679°N 71.4812°W | ||
| South Main Street Dam | 2.5 ft (0.76 m) | 2016 | Manchester 42.9682°N 71.4821°W | ||
| Magazine Street Dam | 2014 | Bedford 42.9573°N 71.5426°W |
Riddle Brook | ||
| Merrimack Village Dam | 2008 | Merrimack 42.8604°N 71.4932°W |
Souhegan River | ||
| Anne Jackson Girl Scout Dam | 8 ft (2.4 m) | 2012 | Wilton 42.8295°N 71.7679°W |
Tributary to Souhegan River | |
| Buck Street Dam West | 12 ft (3.7 m) | 2011 | Pembroke 43.1595°N 71.4074°W |
Suncook River | |
| Tannery Brook Dam | 19 ft (5.8 m) | 2015 | Boscawen 43.3421°N 71.6837°W |
Tannery Brook | |
| Boyce Pond Dam/Horseshoe Pond Dam | 11 ft (3.4 m) | 2014 | Fitzwilliam 42.7533°N 72.1719°W |
Tributary to Kemp Brook | Millers River |
| Upper IPC Dam | 2008 | Bristol 43.6068°N 71.7422°W |
Newfound River | Pemigewasset River | |
| Bellamy River Dam V | 4 ft (1.2 m) | 2004 | Dover 43.1763°N 70.8717°W |
Bellamy River | Piscataqua River |
| Lower Sawyer Mill Dam | 18 ft (5.5 m) | 2018 | Dover 43.1783°N 70.875°W | ||
| Upper Sawyer Mill Dam | 15 ft (4.6 m) | 2019 | Dover 43.179°N 70.8766°W | ||
| Union Village Dam | 15 ft (4.6 m) | 2014 | Winchester 43.4951°N 71.0262°W |
Branch River | |
| Champlin Pond Dam #1 | 2005 | Rochester 43.2708°N 70.9313°W |
Clark Brook | ||
| Champlin Pond Dam #2 | 2005 | Rochester 43.2764°N 70.9317°W | |||
| Great Dam | 16 ft (4.9 m) | 2016 | Exeter 42.9813°N 70.9445°W |
Exeter River | |
| Bunker Pond Dam | 16 ft (4.9 m) | 2011 | Epping 43.0403°N 71.1294°W |
Lamprey River | |
| Rex Tannery Dam | 2010 | Raymond 43.0349°N 71.189°W |
Tributary to Lamprey River | ||
| Little Hale Pond Dam | 15 ft (4.6 m) | 2019 | Durham 43.143°N 70.9213°W |
Littlehole Creek | |
| Lower Peverly Pond Dam | 2021 | Newington 43.0833°N 70.8423°W |
Peverly Brook | ||
| Winnicut River Dam | 14 ft (4.3 m) | 2009 | Greenland 43.0368°N 70.8477°W |
Winnicut River | |
| Bearcamp River Dam | 20 ft (6.1 m) | 2003 | South Tamworth 43.8281°N 71.2987°W |
Bearcamp River | Saco River |
| Badger Pond Dam | 18 ft (5.5 m) | 2004 | Belmont 43.4521°N 71.4689°W |
Tioga River | Winnipesaukee River |
Planned and proposed removals
| Dam[3] | Expected year | Location | Watercourse | Watershed | Notes |
|---|---|---|---|---|---|
| Fiske Mill Dam | 2024 | Hinsdale 42.7857°N 72.4814°W |
Ashuelot River | Connecticut River | Mill dam built in 1922, converted into a hydroelectric dam in 1986. As of April 2023[update], The Nature Conservancy was in talks to purchase and remove the dam.[4] |
| Israel River Dam | Lancaster 44.4849°N 71.5625°W |
Israel River | |||
| Kimball Brook Dam[5] | 2023 | Stratford 44.7418°N 71.5993°W |
Kimball Brook | ||
| Washburn Mill Dam[6] | 2023 | Colebrook 44.8766°N 71.3711°W |
Mohawk River | ||
| Brennan Brook/Crochet Mountain Brook Dam[7] | 2024 | Francestown | Brennan Brook | Merrimack River | |
| Breeder Pond Dam (Highway Pond Dam) | Franconia 44.1672°N 71.6804°W |
Pemigewasset River | The project would remove the dam and replace it with a fish ladder. This would allow trout to move freely between Breeder Pond and Profile Lake, with the intention of creating a self-sustaining population and ending the need for stocking.[8] | ||
| Stone Pond Dam | 2024 | Fitzwilliam 42.7550°N 72.1270°W |
Scott Brook | Millers River | |
| Gonic Dam | Gonic 43.2735°N 70.9773°W |
Cochecho River | Piscataqua River | Rochester City Council voted unanimously to pursue dam removal in 2010.[9] As of 2023[update], the dams are owned by a developer who wants to remove them before building housing in the area.[10] | |
| Gonic Sawmill Dam | Gonic 43.2704°N 70.9764°W | ||||
| Mill Pond Dam[11][12] | 2024 | Durham 43.1309°N 70.9189°W |
Oyster River | ||
| Beech River Mill Dam | Ossipee 43.7507°N 71.1395°W |
Beech River | Saco River | In 2020 the Davis Conservation Foundation granted the New Hampshire Chapter of The Nature Conservancy $15,000 toward a dam removal assessment.[13] |
