The D.C. Circuit vacated EPA's placement of the West Vermont Drinking Water Contamination site, a site of groundwater contamination beneath Indianapolis, Indiana, on the NPL. EPA used the hazard ranking system (HRS) to determine whether listing was appropriate. As part of that process, EPA assessed ...

The Ninth Circuit held that a property owner who purchased the site at a tax sale is not entitled to CERCLA's third-party defense to liability for cleanup costs. The purchaser had a "contractual relationship" with the prior owner by virtue of the tax sale. Given the breadth of CERCLA's definition of...

The D.C. Circuit dismissed a mining company's lawsuit challenging EPA's decision to place the entire Bonita Peak Mining District, located in Colorado's Mineral Belt, on the NPL. The mining company owns a mine located in the district, but its mine was not one of the sites scored under the hazard rank...

A district court held that residents of the West Calumet Housing Complex in East Chicago cannot intervene in a CERCLA settlement agreement after the agreement was approved. In 2016, residents of the housing complex were told to evacuate the complex because of severe contamination from the USS Lead S...

A district court dismissed CERCLA claims against a construction company because there was no evidence that its actions contributed to soil contamination near the site. A contractor purchased topsoil from a company that is adjacent to a road where the construction company installed a water main three...

A district court held that a government contractor may be liable under CERCLA in connection with the Gold King mine spill in Colorado. In 2016, the contractor caused a breach that released more than 3 million gallons of acid mine drainage and 880,000 pounds of heavy metals into the Animas River wate...

A district court held that a California city does not have to pay a settlement to a dry cleaner for chemical contamination near his property per a condition of their settlement agreement. After discovering a perchloroethylene (PCE) contamination plume in downtown Visalia, California, the California ...

The Court of Federal Claims held that a land owner is entitled to compensation for wells and an access road installed to monitor contamination on a property adjacent to Fort Detrick. A Maryland landowner was faced with a demand under CERCLA from EPA for access to his property to install wells for th...