Environmental Protection Agency

Environmental regulators are in Billings this month wrapping up testing within a plume of groundwater contamination from nearby dry cleaning operations.

The proposed deal will finish remediation that has been ongoing since the 1990s, replacing contaminated yards in Anaconda and Opportunity, and closing off remaining slag piles.

Years’ worth of pollution from dry cleaners dumping chemicals down the drain could be leaking into residents’ homes.

The U.S. Environmental Protection Agency grants were awarded to the Blackfeet Nation, the Confederated Salish and Kootenai Tribes and Climate Smart Missoula.

A contaminated area in Billings is slated to receive federal funds for sampling and cleanup after earning a spot on a national list of superfund sites.

Today the Environmental Protection Agency and the Department of Justice resolved a settlement with the Northern Cheyenne Utilities Commission over violations of federal water laws.

BOULDER, Mont. — Twice a year, Brian Tichenor makes the 1,200-mile drive each way from his home in Kansas to a defunct uranium mine in Montana, where he takes an elevator 85 feet below the surface to sit amid radioactive radon gas to ease the pain from his chronic eye condition.

Three U.S. officials from an international transboundary regulatory group will learn more about the upstream Canadian coal mine pollution flowing into...

The City of Missoula, the Confederated Salish and Kootenai Tribes and the Libby School District are all receiving hundreds of thousands of grant dollars...

Work to clean up two contaminated ponds bordering the Flathead River at the Columbia Falls Aluminum Company Superfund site was completed earlier this...