A district court enjoined construction on a dam expansion project in Colorado in environmental groups' challenge to the Army Corps of Engineers' issuance of a dredge and fill permit. The court previously held the Corps failed to comply with the CWA and NEPA when it issued the permit. The court subse...
The Sixth Circuit denied environmental groups' petition to review the Tennessee Department of Environment and Conservation's (TDEC's) order issuing a water quality certification for a proposed fossil gas pipeline in Tennessee. The groups argued TDEC arbitrarily and capriciously determined that ...
The Fifth Circuit affirmed denial of summary judgment for two Native American tribes and an environmental group in a challenge to a CWA §404 permit issued by the Army Corps of Engineers to expand operations at an oil export terminal on Texas' Gulf Coast. The tribes and group sought to invalidate th...
The Fourth Circuit vacated two district court decisions in lawsuits concerning a chemical manufacturer's role in allegedly contaminating Maryland's and South Carolina's waterways by using per- and polyfluoroalkyl substances (PFAS) in its products. The two states sued in state court, each filing two ...
The U.S. Supreme Court held, 5-4, that the CWA does not authorize EPA to include "end-result" provisions in NPDES permits, in a lawsuit concerning the Agency's issuance of a renewal permit for the city of San Francisco that added two such requirements. The city petitioned for review, arguing the req...
The D.C. Circuit vacated certain requirements under an EPA rule concerning the assertion and treatment of confidential business information (CBI) claims for information reported to or otherwise obtained by the Agency under TSCA. Trade groups challenged the rule, arguing it allowed for unlawful discl...
A district court granted EPA's motion to dismiss a TSCA citizen suit brought by environmental groups concerning fluorination. The groups sought to compel EPA to prohibit the company's fluorination practices, which produced per- and polyfluoroalkyl substances (PFAS), a class of carcinogenic chemicals...
In an unpublished opinion, the Sixth Circuit affirmed a district court's order remanding to state court a lawsuit concerning a Michigan airport's use of aqueous film-forming foam (AFFF). Michigan's attorney general (AG) and Department of Environment, Great Lakes, and Energy sued in state court, argu...
A district court denied in part and dismissed in part environmental groups' motion for summary judgment in a lawsuit concerning the use of seeds treated with pesticides. The groups petitioned EPA to subject treated seeds to FIFRA, arguing the Agency could not exempt them from a separate registration...
A district court granted summary judgment for an environmental group in a lawsuit alleging that an equestrian center was unlawfully discharging pollutants into waters of the United States. The group argued the center discharged wastewater into adjacent waters without an NPDES permit, which it was re...