A California appellate court held that California's Commission on State Mandates erred in ruling that certain requirements set forth in a municipal stormwater sewer permit for Los Angeles County constituted unfunded state mandates subject to reimbursement under the state constitution. Although the p...

A district court held that a property owner may go forward with its CERCLA claims against several retail stores in connection with contamination stemming from the property, but dismissed the owner's RCRA claims. The owner entered into a consent order with Oklahoma's environmental agency that set for...

The Second Circuit vacated and remanded a lower court decision dismissing as time barred New York's CERCLA claims against several defendants for costs a town incurred investigating and addressing groundwater contamination stemming from the New Cassel Industrial Area. The lower court held that the st...

A Wisconsin court held that the state environmental agency should have considered impacts on downstream water quality when it issued a state pollutant discharge elimination system permit to an industrial dairy processing plant. An environmental group challenged the permit, arguing that it would allo...

The Supreme Court of Kansas reversed and remanded the Kansas Department of Health and Environment's decision to issue a prevention of significant deterioration (PSD) permit to a power company to construct an 895-megawatt coal-fired power plant. An environmental group filed suit against the state age...

The Eighth Circuit vacated and remanded EPA's best available retrofit technology (BART) determination for a large power plant in North Dakota, but otherwise upheld EPA's partial disapproval of two SIPs submitted by North Dakota to meet the CAA's visibility requirements as well as the Agency's federa...

The Ninth Circuit held that the California Air Resource Board (CARB) low carbon fuel standard's regulation of ethanol does not facially discriminate against out-of-state commerce. CARB treats all ethanol within each regional category the same, and its decision to draw one of the regional categories ...

The Ninth Circuit affirmed a lower court's conviction of a chemical company owner for illegally storing hazardous wastes without a permit in violation of RCRA. On appeal, the owner argued that the lower court improperly instructed the jury about the distinction between "storage" and "disposal" of ha...

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...