The Ninth Circuit affirmed a district court's ruling that a Canadian smelter company that dumped several million tons of industrial waste into the Columbia River was liable for a Native…

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 "…

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…

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…

The Ninth Circuit, in an unpublished opinion, held that the United States is not liable under CERCLA for hazardous waste contamination at a former mine site in Idaho. A district court held the…

A district court denied a waste hauling company's motion to dismiss a CERCLA suit filed against it for alleged soil and groundwater contamination contributed by its predecessor to a hazardous…

The Ninth Circuit held that a mining company that operates a smelter in Canada should not be held liable as an arranger under CERCLA for the release and threatened release of hazardous substances…

In an unpublished opinion, a district court held that a developer may go forward with its CERCLA, tort law, and fraudulent concealment claims against the former owner of contaminated property…

A district court held on motions for summary judgment that a hazardous waste management company should be held liable under CERCLA for PCE contamination, but that material issues of disputed fact…

A district court, on motions for summary judgment, dismissed all but one of a property owner's environmental, waste, and breach of lease claims against various manufacturing companies that…