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Environmental Protection and Sustainability
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Small Watershed Action Plans (SWAP)

View the status of the SWAPs progress.
This map shows the delineations for the
Small Watershed Action Plans in Baltimore County.
This map can be downloaded and printed.

A SWAP identifies strategies to bring a small watershed into compliance with water quality standards. Strategies go beyond traditional government capital projects and include actions in partnership with local watershed associations, citizen awareness campaigns and volunteer activities. A fact sheet is available to provide more information on the development of a SWAP. Below are the completed SWAPs for several of the planning areas.

Middle Gwynns Falls SWAP

  • Volume 1 (PDF) outlines the actions identified as part of the strategy
  • Volume 2 (PDF) contains the results of the field and GIS data assessments
  • Addendum A (PDF) provides the Sediment and Bacteria TMDLs Analysis and Actions

Northeastern Jones Falls SWAP

  • Volume 1 (PDF) outlines the actions identified as part of the strategy
  • Volume 2 (PDF) contains the results of the field and GIS data assessments

Baltimore Harbor - Bear Creek Old Road Bay

  • Volume 1 (PDF) outlines the actions identified as part of the strategy
  • Volume 2 (PDF) contains the results of the field and GIS assessments

Lower Patapsco River SWAP

  • Volume 1 (PDF) outlines the actions identified as part of the strategy
  • Volume 2 (PDF) contains the results of the field and GIS assessments

Middle River/Tidal Gunpowder SWAP

  • Volume 1 (PDF) outlines the actions identified as part of the strategy
  • Volume 2 (PDF) contains the results of the field and GIS assessments

Beaverdam, Baisman Run and Oregon Branch SWAP

  • Volume 1 (PDF) outlines the actions identified as part of the strategy
  • Volume 2 (PDF) contains the results of the field and GIS data assessments

Upper Gwynns Falls SWAP

  • Volume 1 (PDF) outlines the actions identified as part of the strategy
  • Volume 2 (PDF) contains the results of the field and GIS data assessments

Tidal Back River SWAP

  • Volume 1 (PDF) outlines the actions identified as part of the strategy
  • Volume 2 (PDF) contains the results of the field and GIS data assessments
  • SWAP fact sheet (PDF) describes strategies and actions that could become part of the SWAP report.

Upper Back River SWAP

  • Volume 1 (PDF) outlines the actions identified as part of the strategy
  • Volume 2 (PDF) contains the results of the field and GIS data assessments

Lower Jones Falls SWAP

  • One Volume (PDF) outlines the actions identified for the strategy and appendices of field and GIS assessments

Prettyboy Watershed

  • Volume 1 (PDF) outlines the restoration and preservation actions identified as part of the Watershed Restoration Action Strategy (WRAS)

Volume 2 Prettyboy WRAS

  • Watershed Characterization (PDF): This report provides traditional details on the land cover and monitoring results for the watershed.
  • Stream Corridor Assessment, Baltimore Co. (PDF): This is a summary of the stream characteristics and adjacent buffer condition along the streams within Baltimore County's jurisdiction.
  • Stream Corridor Assessment, Carroll Co. (PDF): This is a summary of the stream characteristics and adjacent buffer condition along the streams within Carroll County's jurisdiction.
  • Stream Stability Assessment (PDF): This report provides detailed geomorphic measurements of the streams in Compass Run and Frog Hollow Run to determine the physical stability of the stream channels and identify degraded sections in need of restoration. 
  • Nutrient Synoptic Survey (PDF): This report summarizes nitrogen, phosphorous and other chemical parameters that were sampled throughout the Prettyboy watershed.
  • MD Biological Stream Survey (PDF): This assessment sampled fish and aquatic insects which can be very accurate indicators of the health of a stream.

Spring Branch SWAP

  • Volume 1 (PDF) outlines the actions identified as part of the strategy
  • Volume 2 (PDF) contains the results of the field and GIS data assessments along with community outreach

Loch Raven East SWAP

  • Volume 1 (PDF) outlines the actions identified as part of the strategy
  • Volume 2 (PDF) contains the results of the field and GIS data assessments

Bird River SWAP

  • Volume 1 (PDF) outlines the actions identified as part of the strategy
  • Volume 2 (PDF) contains the results of the field and GIS data assessments

Volunteer Activities

To participate in SWAP activities, contact your local watershed association

Contact Information

Watershed Management Program
Phone: 410-887-5683
Fax: 410-887-4804
Email: watersheds@baltimorecountymd.gov

Revised August 5, 2014

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