Total Maximum Daily Loads

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Total Maximum Daily Loads (TMDL) have been used extensively by the U.S. Environmental Protection Agency (EPA) and state environmental agencies in implementing the Clean Water Act by establishing maximum pollution limits for industrial wastewater dischargers. EPA has a history of developing and approving TMDLs containing non-daily load expressions. NACWA has argued to request state water quality authorities and the EPA to address TMDL issues on their receiving waters in a non-daily format with few exceptions.

For more information on NACWA’s legal activities and litigation related toTotal Maximum Daily Load Issues, please visit the Legal Resourceskey page.




11/21 Clean Water Current   Oral Argument Held in Chesapeake Bay TMDL Appeal key




07/13 Clean Water Current   NACWA Meets with GAO on Study to Review the TMDL Program’s Effectiveness key




07/29 Clean Water Current   NACWA Helps Secure Positive Outcome in Ruling on New TMDL for Anacostia River key




11/10 NACWA Comments icon-pdf NACWA Comments on EPA’s Draft TMDL for the Chesapeake Bay  
10/29 Clean Water Current   NACWA Requests Member Input on Proposed Chesapeake Bay TMDL  
05/21 NACWA Comments icon-pdf Comments on TMDL Program and Ocean Acidification  

» Click here for archived documents


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