An official website of the United States government.

Impaired Waters and TMDLs

Establishing TMDL "Daily" Loads in Light of the Decision by the U.S. Court of Appeals for the D.C. Circuit

The memorandum clarifies EPA's expectations concerning the appropriate time increment used to express TMDLs following the decision of Friends of the Earth, Inc. v. EPA, et al.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.