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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.

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Establishing TMDL "Daily" Loads in Light of the Decision by the U.S. Court of Appeals for the D.C. Circuit in Friends of the Earth, Inc. v. EPA, et al., No.05-5015, (April 25, 2006) and Implications for NPDES Permits (PDF)(6 pp, 481 K)