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State standards, §303(a)

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...

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...

Maryland Dep't of the Environment v. Anacostia Riverkeeper

A Maryland appellate court affirmed a lower court decision remanding a stormwater management permit that the state's environmental agency issued to a county. The permit did not fall short for failing to hold the county to state water...

Florida Wildlife Federation v. McCarthy

A district court dismissed environmentalists' claim that EPA should have reviewed the entirety of Florida's impaired water rule (IWR), not just the portion that constitutes a new or revised water quality standard. States retain...

El Dorado Chemical Co. v. United States Environmental Protection Agency

The Eighth Circuit upheld an EPA decision rejecting modifications to Arkansas' water quality standards as they pertain to discharges of dissolved minerals from a chemical manufacturing plant. Arkansas adopted the revisions after the...

Ohio Valley Environmental Coalition v. Alex Energy, Inc.

A district court held that a mining company allowed excessive amounts of selenium to be discharged from one of its surface coal mine operations in violation of the CWA and SMCRA. The company's state permit does not explicitly impose...

Florida Wildlife Federation v. McCarthy

A district court granted EPA's motion to amend a consent decree requiring it to adopt numeric criteria for Florida's waters unless the state does so first. Florida adopted new nutrient criteria, but for some waters, the criteria are not...

Midwest Environmental Defense Center, Inc. v. Wisconsin Department of Natural Resources

A Wisconsin court held that the state environmental agency should have considered impacts on downstream water quality when it issued a state pollutant discharge elimination system permit to an industrial dairy processing plant. An...

Florida Clean Water Network v. United States Environmental Protection Agency

A district court remanded to EPA its determination that several provisions of Florida's "impaired water rule" are not new or revised water quality standards and, thus, not subject to approval by the Agency. An environmental group...

Assateague Coastkeepers v. Maryland Department of the Environment

A Maryland appellate court held that the state's general discharge permit for animal feeding operations complies with the CWA and state law. The general permit authorizes certain discharges but imposes requirements regarding the...