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Water quality standards, §303

Columbia Riverkeeper v. Pruitt

A district court ordered EPA to issue a temperature total maximum daily load (TMDL) under the CWA for the Columbia and Snake Rivers, which are native habitat for endangered and threatened salmon and steelhead populations. An...

Ohio Valley Environmental Coalition, Inc. v. Pruitt

The Fourth Circuit reversed a lower court's grant of summary judgment requiring EPA and West Virginia to address coal mining-related water pollution. Environmental groups argued that EPA failed to perform its nondiscretionary duty under...

Environmental Law & Policy Center v. United States Environmental Protection Agency

A district court held it could not rule on the merits as to whether EPA violated the APA when it approved Ohio's 2016 impaired water list, but nevertheless remanded the case to EPA so it could approve or disapprove Ohio's incomplete CWA...

Gulf Restoration Network v. McCarthy

A district court upheld EPA’s refusal to determine whether new water quality standards were necessary to control nitrogen and phosphorus pollution in the mainstem of the Mississippi River and the Northern Gulf of Mexico. The case arose...

Conservation Law Foundation v. Environmental Protection Agency

A district court held that EPA did not fail to carry out non-discretionary duties under the CWA when it failed to notify certain industrial and commercial dischargers that they are required to obtain discharge permits under the Rhode...

Conservation Law Foundation v. Environmental Protection Agency

A district court held that EPA did not fail to carry out non-discretionary duties under the CWA when it failed to notify certain industrial and commercial dischargers that they are required to obtain discharge permits under the Rhode...

Maine v. McCarthy

A district court held the CWA's citizen suit provision does not allow for judicial review of EPA's decision to disapprove Maine's water quality standards. In 2015, EPA issued a formal decision in which it approved some of Maine’s water...

Ohio Valley Environmental Coalition, Inc. v. McCarthy

A district court held that environmental groups have standing to sue EPA under the APA and CWA for its failure to disapprove West Virginia's §303(d) list, which lacks TMDLs for waterbodies previously identified as "biologically impaired...

Puget Soundkeeper Alliance v. United States Environmental Protection Agency

A district court ordered EPA to promulgate revised water quality standards for Washington state by September 15, 2016, or, in the alternative, by November 15, 2016, if the state submits its own water quality standards by September 15. A...

American Farm Bureau Federation v. United States Environmental Protection Agency

The Third Circuit upheld EPA's TMDL plan for the Chesapeake Bay against challenges from farmer and home building groups. The TMDL—the largest ever developed by EPA—identifies necessary pollution reductions of nitrogen, phosphorus, and...