A district court denied a mining company's motion for partial summary judgment in a lawsuit concerning pollution from the company's British Columbia smelter along the Upper Columbia River. Tribal members sought natural resource damages for contamination of the river. The company argued the members' ...
The D.C. Circuit dismissed five states' petition to review EPA's extension of a compliance deadline for a revised national drinking water regulation, which in turn extended the deadline for states to enforce conforming regulations to their own. The states argued the extension would cause their resid...
The Sixth Circuit reversed a district court ruling in a lawsuit concerning 12 oil refinery sites that operated during World War II. The current owner of the refineries sought contribution from the U.S. government for environmental contamination discovered at the sites, arguing the government's produ...
The D.C. Circuit vacated EPA's withdrawal of its determination to regulate perchlorate in drinking water. An environmental group argued EPA lacked the authority to withdraw the determination under the SDWA, and that even if it did have such authority, it acted arbitrarily and capriciously in doing s...
A district court granted in part and denied in part a pipeline owner's motion for summary judgment in a CERCLA suit brought by the owner of land where the pipeline is located in West Virginia. The landowner alleged that the pipeline leaked and contaminated her soil and groundwater, and sought to rec...
A district court granted a federal contractor's motion for partial summary judgment in a CERCLA liability suit brought by the state of New Mexico and a Native American reservation concerning Gold King Mine's release of millions of gallons of contaminated water into nearby rivers in 2015. The contrac...
In an unpublished opinion, the Ninth Circuit affirmed summary judgment for the U.S. government in a CERCLA liability lawsuit, requiring oil companies to reimburse approximately $50 million of EPA's environmental cleanup costs at a Superfund site in California. The government had sought reimbursement...