The Tenth Circuit affirmed a lower court decision denying an environmental group's motion to preliminarily enjoin the construction of an oil pipeline to run from Cushing, Oklahoma, to oil refineries along the Gulf Coast near Port Arthur, Texas. The group argued that the U.S. Army Corps of Engineers ...

A district court ordered EPA to conduct a necessity determination under CWA §303(c)(4)(B) in response to an environmental group's petition asking the Agency to establish water quality standards to control nitrogen and phosphorous pollution in the mainstem of the Mississippi River and the Northern G...

A district court upheld EPA's final TMDL for the Chesapeake Bay against challenges from farmer and home building groups. The TMDL—the largest ever developed by EPA—identifies the necessary pollution reductions of nitrogen, phosphorus, and sediment across Delaware, Maryland, New York, Pennsylvani...

A district court held that a coal company discharged excessive amounts of selenium into the waters of West Virginia in violation of the CWA and SMCRA. The environmental group that filed suit against the company has standing, and it satisfied the statutes' 60-day notice requirements for citizen suits...

The Eighth Circuit affirmed a lower court decision that insurers had no duty to defend or indemnify an oil refinery in an underlying CERCLA lawsuit filed against it by EPA. EPA sent the refinery a letter in 2001 notifying it that it was a PRP. Because EPA's allegations in the letter arguably fell wi...

The Ninth Circuit held that an insurance company breached its duty to defend a trucking equipment company when it refused to provide a defense after the company received letters from EPA notifying it of its potential liability under CERCLA for environmental contamination at the Portland Harbor Super...

The Seventh Circuit reversed a lower court decision finding a Wisconsin mine operator liable under the CWA for discharging copper into navigable waters without a permit. The CWA's permit shield provision provides that if a NPDES permit holder discharges pollutants in accordance with the terms of its...

The Third Circuit held that a PRP that entered into a consent decree resolving its state-law liability with the commonwealth of Pennsylvania in connection with contamination at an industrial facility may seek contribution under CERCLA from a second PRP. The court held that CERCLA §113(f)(3)(B) does...

The Third Circuit, in a case involving a contaminated site in New Jersey, affirmed in part and reversed in part a lower court decision finding the former owner of the site liable to the current owner under CERCLA but not RCRA. The lower court ruled that the current owner's claim for injunctive relie...

A district court held that a cartage company that leased a parcel of land in the 1960s may be held liable for response costs the property owner incurred at the site under CERCLA as an operator, transporter, or arranger, but not as an owner. In its motion for partial summary judgment as to the compan...