The Sixth Circuit held that the CAA does not preempt property owners' state common-law tort claims against a whiskey distillery for excess ethanol emissions that allegedly caused "whiskey fungus" to grow on their properties. Below, the district court rejected the distillery's argument that the CAA p...

The D.C. Circuit upheld EPA's designation of Yellowstone County, Montana, and Wayne County, Michigan, as "nonattainment" under the sulfur dioxide (SO2) NAAQS. Two petitioners—an industry association and a steel company—challenged the designations, albeit for different reasons. The industry assoc...

The Sixth Circuit held that two administrative orders on consent (AOCs) that a power company entered into with EPA in connection with two coal gasification plants owned and operated by its predecessor in interest nearly 70 years ago do not constitute "administrative settlements" under CERCLA. Under ...

A district court denied in part and granted in part EPA's motion to dismiss property owners' lawsuit challenging the constitutionality of an EPA compliance order under CWA §309. EPA determined that, in the course of developing the property, the owners discharged dredge and fill materials into water...

A Washington appellate court upheld an administrative board decision invalidating the Department of Ecology's and a city's threshold determinations for two crude oil terminal development projects under the State Environmental Policy Act (SEPA), but denied environmental groups' claim that additional ...

A district court granted in part motions to dismiss an oil company's OPA, Pipeline Safety Act, and Maryland state-law claims against the alleged owners and operators of an underground pipeline in southeast Baltimore. The company filed suit to recover damages it incurred due to a pipeline leak. All o...

A district court upheld the U.S. Army Corps of Engineers' decision to issue a general nationwide permit—NWP 21—authorizing discharges from certain coal mining activities into navigable waters. Despite environmental groups' arguments to the contrary, the Corps' issuance of NWP 21 was neither arbi...

A district court denied motions to dismiss environmental groups' CWA citizen suit against an energy company for alleged NPDES permit violations at a retired coal-fired power plant. The groups alleged that the company unlawfully discharged pollutants through engineered seeps, non-engineered seeps, an...

A district court granted a motion to reconsider its prior decision that a PRP established the divisibility defense and, therefore, should not be jointly and severally liable for cleanup costs at the Lower Fox River Superfund site in Wisconsin, and held that the PRP had not, in fact, established the ...

A Texas appellate court upheld a lower court decision dismissing a family's nuisance and negligence claims against two oil companies for alleged health and property damage stemming from hydraulic fracturing operations near their home. To overcome the defendant companies' no-evidence summary judgment...