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Final Total Maximum Daily Load (TMDL) Documents - Potomac River and Other Tributaries

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.

TMDLs - Potomac River and Tributaries

TMDLs - Tidal Basin and Washington Ship Channel

TMDLs - C and O Canal

TMDLs - Oxon Run

TMDLs - Washington Ship Channel