Montana DEQ

The world’s largest private campground company is butting heads with conservation groups and ranchers over waste water at their popular sites in West Yellowstone.

Environmental regulators are working to repair erosion and other flood damage at the site

The state of Montana is seeking exceptions to federal air pollution standards in northwest Montana due to wildfire smoke in 2020.

The state of Montana is adding extra cleanup measures at a former wood treatment plant turned Superfund site in Butte.

Montana proposed regulations on Friday that outline what facilities need to do to dispose of radioactive waste while also monitoring for environmental…

The Montana Department of Environmental Quality has determined that a portion of the Rosebud Mine in Colstrip, Montana, has reached its pre-development…