This is a list of dams in Maine that have been removed as physical impediments to free-flowing rivers or streams.__TOC__
| Dam[1] | Height | Year removed | Location | Watercourse | Watershed | Notes |
|---|---|---|---|---|---|---|
| Little River Dam | 2009 | Lisbon | Little River | Androscoggin River | ||
| Farnsworth Dam | 2019 | Lisbon | Sabattus River | Woolen mill dam. | ||
| Upper River Dam (Upper Town Dam) | 2022 | Lisbon | Timber mill dam owned by the Town of Lisbon. | |||
| Unnamed remnant dam | 2010 | Washburn | Salmon Brook | Aroostook River | ||
| Washburn Mill Pond Dam | 2014 | Washburn | Dam built for recreation, owned by the Town of Washburn. | |||
| Unnamed remnant dam | 2013 | Riley Township | Sunday River | |||
| Wight's Pond Dam | 2017 | Penobscot | Winslow Stream | Bagaduce River | Pond level dam owned by the Town of Penobscot, Maine. The dam was replaced with an fish passage to allow alewife to access the pond for spawning.[2] | |
| Smelt Brook Dam | 2018 | Sullivan | Smelt Brook | Frenchman Bay | Dam created a trout pond. Owned by the Downeast Salmon Federation. | |
| Kate Furbish Dam | 2016 | Brunswick | Tributary to Harpswell Cove | Harpswell Sound | ||
| Edwards Dam | 1999 | Augusta | Kennebec River | Kennebec River | This hydroelectric dam was removed after the Federal Energy Regulatory Commission refused to renew its license, marking the first time the federal government ordered the removal of a dam against the wishes of its owners.[3] | |
| Lombard Dam | 2018 | Vassalboro | Outlet Stream | |||
| Masse Dam | 2017 | Vassalboro | Sawmill dam. | |||
| Morneau Remnants Dam | 2021 | Vassalboro | Sawmill dam. | |||
| Madison Electric Dam | 2006 | Starks | Sandy River | Hydropower dam owned by Madison Electric Works. | ||
| Fort Halifax Dam | 2008 | Winslow | Sebasticook River | |||
| Main Street Dam | 2002 | Newport | East Branch Sebasticook River | |||
| Mill Dam | 2000 | Corinna | ||||
| Archer's Mill Dam | 1999 | Stetson | Stetson Stream | . | ||
| Walton's Mill Dam | 2022 | Farmington | Temple Stream | Mill dam owned by the Town of Farmington. . | ||
| Goff Mill Brook Dam | 2015 | Arundel | Goff Mill Brook | Kennebunk River | ||
| East Machias Dam | 2000 | East Machias | East Machias River | Machias River | Hydropower dam owned by the Town of East Machias. | |
| Canaan Lake Outlet Dam | 1999 | North Washington | Old Stream | |||
| Northern Stream Rock Dam | 2020 | East Machias | Northern Stream | |||
| West Winterport Dam | 2010 | Winterport and Frankfort | Marsh Stream | Penobscot River | ||
| Bangor Dam | 1995 | Bangor | Penobscot River | |||
| Great Works Dam | 2012 | Old Town | Hydropower dam. | |||
| Veazie Dam | 2013 | Veazie and Eddington | Hydropower dam owned by the PPL Corporation. | |||
| Brownville Dam | 1999 | Brownville | Pleasant River (Piscataquis River tributary) | |||
| Lower Sedgeunkedunk Dam | 2009 | Brewer | Sedgeunkedunk Stream | |||
| Grist Mill Dam | 1998 | Hampden | Souadabscook Stream | |||
| Hampden Recreation Area Dam | 1999 | |||||
| Mast Point Dam | 1997 | Berwick | Salmon Falls River | Piscataqua River | ||
| Shoreys Brook Dam | 2011 | South Berwick and Eliot | Shoreys Brook | |||
| Columbia Falls Dam | 1988 | Steuben | Pleasant River (Pleasant Bay) | Pleasant River (Pleasant Bay) | ||
| Smelt Hill Dam | 2002 | Falmouth | Presumpscot River | Presumpscot River | ||
| Saccarappa Dam 1 (east) | 2019 | Westbrook | Hydroelectric dams owned by Sappi North America/S. D. Warren Co. | |||
| Saccarappa Dam 2 (west) | 2019 | Westbrook | ||||
| Swett Brook Dam | 2013 | Waterford | Swett Brook | Water storage dam owned by the Portland Pipe Line Corporation. | ||
| Randall Mill Dam | 2013 | Pownal | Chandler Brook | Royal River | Sawmill dam. | |
| Unnamed dam | 2012 | Yarmouth | Royal River | Mill dam. | ||
| Milltown Dam | 2023 | Calais | St. Croix River | St. Croix River | ||
| Sennebec Dam | 2002 | Union | Saint George River | Saint George River | Dam had raised the natural water level on Sennebec Pond, and was replaced with a fish ramp that maintained the level while opening of the Saint George River and of lake habitat to fish passage. This was the last man-made barrier on the Saint George River.[4] | |
| Martin Brook Upper Dam | 2010 | Madawaska | Martin Brook | Saint John River | ||
| Sherman Lake Dam | 2008 | New Castle | Marsh River | Sheepscot River | ||
| Lower Montsweag Dam | 2010 | Wiscasset | Montsweag Brook | Dam was built to create an emergency water source for the Maine Yankee Nuclear Power Plant. | ||
| Head Tide Dam | 2019 | Alna | Sheepscot River | Former grist mill dam owned by the Atlantic Salmon Federation and the Town of Alna. The dam was partially removed and replaced with an elevated platform to allow for fish passage.[5] | ||
| Coopers Mill Dam | 2018 | Whitefield | Owned by the Town of Whitefield. |