Waterkeeper Files Notice of Intent to Sue the Environmental Protection Agency Over Inaction on Montana’s Impaired Waters

Montana’s Water Quality Integrated Report remains under federal review as politics override science On Wednesday, July 15, 2026, Upper Missouri Waterkeeper filed a 60-day Notice of Intent to Sue to the Environmental Protection Agency (EPA) for its failure to take…

Gallatin County Commission Protects Water Resources By Denying Major Subdivision’s Application

Decision highlights County’s responsibility to prevent harm to groundwater, Hyalite Creek, and neighbors Today, Tuesday, July 14, the Gallatin County Commission voted to deny the preliminary plat application for the proposed Anderson Meadows Major Subdivision, a 22-lot development south of Bozeman…

Upper Missouri Waterkeeper Highlights Urgent Threats to Montana’s Rivers at EQC Hearing

Details Findings, Elevated Nutrient Pollution, and Lack of Science-Based Numeric Protections for Rivers and Waterways Upper Missouri Waterkeeper’s Executive Director Guy Alsentzer testified this morning before the Environmental Quality Council (EQC) during the “State of Montana’s Rivers” panel, emphasizing the…

Gallatin County Commission Calls on DEQ to Provide Transparency, Engage the Public, and Review Big Sky Sewer Project

Major Water Infrastructure Project Demands Careful Vetting, Transparency, and Public Involvement Last week, the Gallatin County Commission sent a letter calling on the Montana Department of Environmental Quality (DEQ) to transparently evaluate the potentially significant economic, social, ecological, and cultural…

Waterkeeper Calls for Common-Sense Water Resource and Pollution Protections Before Data Centers Approvals

Data Centers Need to Disclose Water Impacts Before Any Land Use Approvals As new data center proposals pop up across Montana, Upper Missouri Waterkeeper is calling on state and local officials and agencies to establish a framework for considering such…

Waterkeeper Warns EPA’s Approval of Illegal Water Quality Standards Rollbacks Set Polluter-Friendly Precedent

Federal Approval of Montana’s Numeric Nutrient Standards Repeal Threatens Clean Water Protections Nationwide Upper Missouri Waterkeeper is raising the alarm that the Trump Administration’s Environmental Protection Agency (EPA) could set a dangerous, polluter-friendly precedent by approving the State of Montana’s…

Groups Challenge EPA’s Approval of Montana’s Illegal Water Quality Rollbacks

Unscientific Gutting Of Clean Water Protections Contrary to Federal Law, Putting Montana Waterway Health At Risk On Monday, Upper Missouri Waterkeeper and Flathead Lakers filed a lawsuit against the Trump Administration’s Environmental Protection Agency (EPA) for approving the State of…

Waterkeeper Sues DEQ Over Unlawful Approval of Big Sky Sewage Pipeline

Lawsuit Seeks to Hold Government Accountable for Ignoring Public Participation and Environmental Review of Major Water Infrastructure Project Today, Upper Missouri Waterkeeper announced a lawsuit against the Montana Department of Environmental Quality (DEQ) for its approval of a major new…