List of dam removals in Maryland explained

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

Completed removals

Dam[1] Height Year removed Location Watercourse Watershed Notes
Centreville Dam2015Centreville
Gravel RunCorsica RiverMill dam owned by the Town of Centreville.[2]
White Hall Dam2011White Hall
Little FallsGunpowder River[3]
Martin Farm Pond Dam (Overshot Branch Dam)2019Harford County
Overshot Branch[4]
Clifford Branch Dam2012Frederick
Clifford BranchMonocacy RiverWater supply dam for the City of Frederick.
Puckum Dam2007Dorchester County
Puckum BranchNanticoke RiverThe 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 Dam2018Elkridge
Patapsco RiverPatapsco RiverHydropower dam owned by the Maryland Department of Natural Resources.[6]
Simkins Dam2010Baltimore County
Textile mill dam owned by Simkins Industries.[7]
Union Dam2010Baltimore County
Textile mill dam owned by the State.[8]
Pittsburgh Plate & Glass (PPG) Dam2007Cumberland
North Branch Potomac RiverPotomac RiverOriginally built to back up water for a pumping station. Owned by Pittsburgh Plate & Glass.[9]
Raven Rock Dam2007Washington County
Little Antietam CreekWater supply dam for the City of Hagerstown.[10]
Polly Pond Dam2002Allegany CountyBig RunLocated in the Chesapeake and Ohio Canal National Historical Park, the earthen dam was part of a canal waste weir.[11]
Chevy Chase Lake Dam1937Chevy Chase
Coquelin RunDam built in 1892 to power streetcars and create a trolley park
Bishopville Dam2014Worcester County
St. Martin RiverSt. Martin RiverMill dam owned by Worcester County.
Octoraro Dam2005Rising Sun
Octoraro CreekSusquehanna River[12]
Town Creek Dam
Dam #3 Ruins1991
Bacon Ridge Branch Weir1991Bacon Ridge Branch
Deep Run Dam1989Deep Run
Railroad Trestle Dam1994Dorsey Run
Horsepen Branch Dam1995Horsepen Branch
Railroad Bridge at Elkton Dam1992Little Elk Creek
Stony Run Dam1990Stony Run
Route 214 Dam1998Western Branch

Notes and References

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

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