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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 plant initiated a third party rulemaking to increase the levels of ...

Sierra Club v. U.S. Environmental Protection Agency

The Ninth Circuit vacated and remanded EPA's decision to issue a PSD permit allowing a power company to build and operate a 600 megawatt natural gas-fired power plant. EPA missed the one-year statutory deadline to grant or deny the permit; during this same period, EPA tightened the applicable air qu...

United States v. Hamilton

A district court upheld a jury verdict that a Wyoming farmer who discharged material into a creek on his property without a permit was exempt from the CWA's permitting requirements. Below, the jury found in the farmer's activities fell under the CWA's "normal farming and ranching activities" exempti...