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Water Quality Regulations

Action to Amend the Ban on Swimming in the Potomac River

Water Quality Regulatory and Legislative Affairs

Resources for Businesses

Total Maximum Daily Load (TMDL) Documents

On September 21, 2010, the U.S. Environmental Protection Agency approved a new joint Total Maximum Daily Load (TMDL) to limit trash in the Anacostia River in both the District of Columbia, and the state of Maryland, making the Anacostia the first interstate river in the nation with such a Clean Water Act trash limit.

- Map of Known Wetlands within the District of Columbia [PDF] (Identified by Number)
- District of Columbia Wetland Conservation Plan

Water Related Laws and Regulations

Disclaimer: These regulations on our website were proofed to the best of our ability. When legal matters are involved it is best to check the DC Register, DC Municipal Regulations, and DC Code for the printed versions. Please contact the Office of Documents to order printed versions, or call (202) 727-5090.

General Data and Reports

Fish and Wildlife Regulations

 

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