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89 FR 915

EPA Region 10 reissued the NPDES general permit for federal aquaculture facilities and aquaculture facilities located in Indian country in Washington.

Stone v. High Mountain Mining Co., LLC

The Tenth Circuit reversed a district court finding of a CWA violation in a citizen suit brought against the operator of a gold mine in Colorado. Plaintiffs argued the operator violated the CWA because seepage from the mine's settling ponds flowed into the groundwater and then migrated to the Middle...

Lewis v. United States

The Fifth Circuit vacated a district court ruling in a decades-long dispute over whether a property in Louisiana contains federally regulated wetlands. The property owner sued the Army Corps of Engineers, arguing its determination that the property contained federal regulated wetlands was arbitrary ...