June 2022 Preliminary Determination of Impairment What’s being proposed? Based on a review of best available science from the past 10 years, the Montana Department of Environmental Quality (DEQ) has issued a preliminary determination that the middle segment Gallatin River…
Algal Blooms on the Gallatin Signal the Need for Pollution-Control Planning; Impairment Designation Upper Missouri Waterkeeper, Gallatin River Task Force, Montana Trout Unlimited, Greater Yellowstone Coalition, and American Rivers filed a petition with the Montana Department of Environmental Quality (DEQ)…
