List of dam removals in Maryland

The 2004 removal of the Octoraro Dam from Octoraro Creek.

This is a list of dams in Maryland that have been removed as physical impediments to free-flowing rivers or streams.

Completed removals

Dam[1] Height Year removed Location Watercourse Watershed Notes
Centreville Dam 5 ft (1.5 m) 2015 Centreville
39°02′53″N 76°03′43″W / 39.048°N 76.062°W / 39.048; -76.062 (Centreville Dam) 		Gravel Run Corsica River Mill dam owned by the Town of Centreville.[2]
White Hall Dam 2011 White Hall
39°37′14″N 76°37′47″W / 39.6206°N 76.6297°W / 39.6206; -76.6297 (White Hall Dam) 		Little Falls Gunpowder River [3]
Martin Farm Pond Dam (Overshot Branch Dam) 25 ft (7.6 m) 2019 Harford County
39°31′26″N 76°26′39″W / 39.5239°N 76.4441°W / 39.5239; -76.4441 (Martin Farm Pond Dam (Overshot Branch Dam)) 		Overshot Branch [4]
Clifford Branch Dam 6 ft (1.8 m) 2012 Frederick
39°29′15″N 77°28′16″W / 39.4874°N 77.4712°W / 39.4874; -77.4712 (Clifford Branch Dam) 		Clifford Branch Monocacy River Water supply dam for the City of Frederick.
Puckum Dam 8 ft (2.4 m) 2007 Dorchester County
38°36′32″N 75°48′55″W / 38.6090°N 75.8154°W / 38.6090; -75.8154 (Puckum Dam) 		Puckum Branch Nanticoke River The dam and culvert had supported a logging road but were washed out in June 2006. Total removal in January 2007 supported the passage of alewife, blueback herring, and perch.[5]
Bloede Dam 34 ft (10 m) 2018 Elkridge
39°14′49″N 76°45′40″W / 39.247°N 76.7612°W / 39.247; -76.7612 (Bloede Dam) 		Patapsco River Patapsco River Hydropower dam owned by the Maryland Department of Natural Resources.[6]
Simkins Dam 10 ft (3.0 m) 2010 Baltimore County
39°15′10″N 76°46′06″W / 39.2527°N 76.7683°W / 39.2527; -76.7683 (Simkins Dam) 		Textile mill dam owned by Simkins Industries.[7]
Union Dam 24 ft (7.3 m) 2010 Baltimore County
39°17′41″N 76°46′48″W / 39.2946°N 76.78°W / 39.2946; -76.78 (Union Dam) 		Textile mill dam owned by the State.[8]
Pittsburgh Plate & Glass (PPG) Dam 10 ft (3.0 m) 2007 Cumberland
39°34′49″N 78°44′40″W / 39.5802°N 78.7444°W / 39.5802; -78.7444 (Pittsburgh Plate & Glass (PPG) Dam) 		North Branch Potomac River Potomac River Originally built to back up water for a pumping station. Owned by Pittsburgh Plate & Glass.[9]
Raven Rock Dam 6.5 ft (2.0 m) 2007 Washington County
39°39′54″N 77°32′32″W / 39.6651°N 77.5422°W / 39.6651; -77.5422 (Raven Rock Dam) 		Little Antietam Creek Water supply dam for the City of Hagerstown.[10]
Polly Pond Dam 25 ft (7.6 m) 2002 Allegany County Big Run Located in the Chesapeake and Ohio Canal National Historical Park, the earthen dam was part of a canal waste weir.[11]
Chevy Chase Lake Dam 1937 Chevy Chase
38°59′41″N 77°04′23″W / 38.994815°N 77.073111°W / 38.994815; -77.073111 (Chevy Chase Lake Dam) 		Coquelin Run Dam built in 1892 to power streetcars and create a trolley park
Bishopville Dam 4 ft (1.2 m) 2014 Worcester County
38°26′32″N 75°11′40″W / 38.4423°N 75.1944°W / 38.4423; -75.1944 (Bishopville Dam) 		St. Martin River St. Martin River Mill dam owned by Worcester County.
Octoraro Dam 2005 Rising Sun
39°42′06″N 76°07′36″W / 39.7017°N 76.1267°W / 39.7017; -76.1267 (Octoraro Dam) 		Octoraro Creek Susquehanna River [12]
Town Creek Dam 5 ft (1.5 m)
Dam #3 Ruins 6 ft (1.8 m) 1991
Bacon Ridge Branch Weir 1991 Bacon Ridge Branch
Deep Run Dam 1989 Deep Run
Railroad Trestle Dam 1994 Dorsey Run
Horsepen Branch Dam 1995 Horsepen Branch
Railroad Bridge at Elkton Dam 1992 Little Elk Creek
Stony Run Dam 1990 Stony Run
Route 214 Dam 1998 Western Branch
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References

  1. ^ "American Rivers Dam Removal Database". Figshare. American Rivers. 13 February 2023. Retrieved 25 August 2023.
  2. ^ "Centreville Dam CO002" (PDF). Fish Passage Program. Maryland Department of Natural Resources. 24 April 2012. Retrieved 25 September 2023.
  3. ^ "WHITE HALL DAM – COMPLETED" (PDF). Fish Passage Program. Maryland Department of Natural Resources. 24 April 2012. Retrieved 25 September 2023.
  4. ^ "Martin Farm Pond". greentrustalliance.org. Green Trust Alliance. Retrieved 25 September 2023.
  5. ^ "PUCKUM BRANCH – COMPLETED" (PDF). Fish Passage Program. Maryland Department of Natural Resources. 9 December 2008. Retrieved 25 September 2023.
  6. ^ "Patapsco River Restoration - Bloede Dam Removal". Fish Passage Program. Maryland Department of Natural Resources. Retrieved 25 September 2023.
  7. ^ "SIMKINS DAM – COMPLETED" (PDF). Fish Passage Program. Maryland Department of Natural Resources. 24 April 2012. Retrieved 25 September 2023.
  8. ^ "UNION DAM – COMPLETED" (PDF). Fish Passage Program. Maryland Department of Natural Resources. 24 April 2012. Retrieved 25 September 2023.
  9. ^ "Pittsburgh Plate & Glass Dam (PPG) – COMPLETED" (PDF). Fish Passage Program. Maryland Department of Natural Resources. 24 April 2012. Retrieved 25 September 2023.
  10. ^ "RAVENROCK – COMPLETED" (PDF). Fish Passage Program. Maryland Department of Natural Resources. 9 December 2008. Retrieved 25 September 2023.
  11. ^ "DAMS SLATED FOR REMOVAL IN 2005 AND DAMS REMOVED FROM 1999-2004" (PDF). rivernet.org. American Rivers. p. 23. Retrieved 25 September 2023.
  12. ^ "Octoraro Dam Removal". Fish Passage Program. Maryland Department of Natural Resources. Retrieved 25 September 2023.