A district court denied Ohio's and Tennessee's motion to preliminarily enjoin EPA's 2015 Clean Water Rule that clarified the definition of "waters of the United States" under the CWA. The states challenged the validity of the rule, arguing it extended the scope of the CWA beyond the reach of the sta...

A district court granted in part and denied in part an environmental group's motion for summary judgment in a challenge to the Pipeline and Hazardous Materials Safety Administration's (PHMSA's) approval of two spill response plans for an oil pipeline that crosses Michigan's Straits of Mackinac. The ...

A district court granted EPA's motion to dismiss a CWA lawsuit seeking to require the Agency to publish New York's water quality standards. The Agency asserted that environmental groups lacked subject matter jurisdiction to bring the suit because EPA had a discretionary, rather than nondiscretionary...

A district court denied a manufacturing company's motion to dismiss a CWA lawsuit alleging that the company improperly stored and disposed of industrial waste at its sheet metal manufacturing facility. The company argued that an environmental group did not have standing to sue because it failed to n...

A district court granted residents' motion for summary judgment in a RCRA lawsuit against the city of New Orleans for inhumane and dangerous living conditions at a residential development located on a former landfill site previously operated by the city. The residents argued that the city had previo...