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 ...
89 FR 703
EPA approved revisions to Louisiana's SDWA §1422 Underground Injection Control Program to include Class VI injection well primary enforcement responsibility.
89 FR 481
United States v. New Hampshire, No. 1:18-cv-00996-PB. Under a proposed modified consent decree, a settling CWA defendant that allegedly violated an NPDES permit by exceeding its discharge limits for total phosphorus and pH, which contributed to contamination, eutrophication, and the growth of toxic cyanobacteria in the Merrymeeting River must achieve compliance with the CWA and its permit by the end of 2025.