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Impaired Waters and TMDLs

Impaired Waters and TMDLs in Region 3

This image shows which states are included in EPA's Region 3: Delaware, District of Columbia, Maryland, Pennsylvania, Virginia and West Virginia.
EPA Region 3 serves Pennsylvania, Maryland, Delaware, Virginia, West Virginia and the District of Columbia.


On this page:

Contact Region 3 Impaired Waters and TMDL Staff

Chincoteague Wildlife Refuge - VirginiaChincoteague Wildlife Refuge - Virginia


Recent 303(d)/TMDL News in Region 3

West Virginia 2014 Section 303(d) List

 

EPA Proposes Total Phosphorus TMDL for the Wissahickon Creek Watershed
Notice of Availability, Solicitation of Public Comment:

The public comment period for the proposed Total Phosphorus TMDL for the Wissahickon Creek Watershed in Pennsylvania is now closed. The public comment period was open from May 20, 2015 to July 30, 2015, during which EPA received numerous comments from the public and interested parties. To view the comments received, as well as the proposed TMDL and other supporting files provided during the public comment period, please click on the links below.


Please direct questions to Ashley Toy (toy.ashley@epa.gov) or (215) 814-2774.

 

Search for Specific Impaired Waters and TMDLs


State-specific Information and Actions

Contact information for EPA Region 3 303(d) staff can be found at Contact Us About Impaired Waters and TMDLs.

Delaware 303(d) Assessment ProgramExit

Delaware TMDL ProgramExit

Most recent Delaware list of impaired waters:You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.2016 Delaware Combined Watershed Assessment Report (305(b)) and Determination for the Clean Water Act Section 303(d) List of Waters Needing TMDLs (PDF) (161 pp, 3.78 MB) Exit

Delaware 2016 Section 303(d) List Approval Letter and Decision Rationale (PDF)(8 pp, 443KB, October 17, 2017)

Contact information for EPA Region 3 303(d) staff can be found at Contact Us About Impaired Waters and TMDLs.

District of Columbia 303(d) Assessment ProgramExit

District of Columbia TMDL ProgramExit

Most recent District of Columbia list of impaired waters:You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.2016 D.C. Integrated Report Sections 305(b) and 303(d) (PDF) (379 pp, 6.44 MB)Exit

District of Columbia 2016 Section 303(d) List Approval Letter and Decision Rationale (PDF) (8 pp, 71 K, February 2, 2017)