West Yellowstone Citizens Challenge DEQ’s Approval of Regional Wastewater Facility Without Public Process

State Violated Constitutional Right to Know and Right to Participate in Agency Decision-Making On Friday, October 13, 2023, Upper Missouri Waterkeeper and its members filed a complaint against the Montana Department of Environmental Quality (DEQ) for its approval of the…

Waterkeeper Defeats DEQ’s Motion to Dismiss in Big Sky Water Pollution Challenge

Lawsuit Will Proceed to the Merits  Yesterday, the Montana Eighteenth Judicial District Court in Gallatin County denied the Department of Environmental Quality’s (DEQ) motion to dismiss the Upper Missouri Waterkeeper v. Montana Department of Environmental Quality lawsuit challenging the authorization…

Another Blow to the Big Hole River; Widespread Neon-Green Algal Bloom Emerges

This week, Upper Missouri Waterkeeper documented and notified the Montana Department of Environmental Quality (DEQ) of a miles-long neon-green noxious algal bloom emerging on the Big Hole River downstream of Divide. The new algal bloom adds to the suite of…

Supreme Court Guts Clean Water Act Protections

The U.S. Supreme Court dramatically curtailed Clean Water Act protections with its ruling in Sackett v. EPA, favoring polluters over the health of wetlands and headwater creeks across Montana and the nation.  Let’s back up. What was the Sackett v….

Gallatin County Commission Rightfully Denied Major Subdivision Application

Sandhill Subdivision Lacked Sufficient Studies of Impacts to Local Water  On Tuesday, May 9th, the Gallatin County Commission denied the preliminary plat application for the Sandhill Major Subdivision, a proposed 34-lot subdivision south of Kagy Blvd in Bozeman reliant on…

Proposed Sandhill Major Subdivision Violates Law and Threatens Clean Water Resources

Gallatin County Commission Should Deny Application On Tuesday, April 25th, the Gallatin County Planning Board rubber-stamped a preliminary plat application for the Sandhill Major Subdivision, a new 34-lot subdivision south of Bozeman city limits reliant on exempt wells and septic…

State of Montana Officially Declares Gallatin River ‘Impaired’

Nutrient pollution levels too high to support aquatic life, recreation Today, the Department of Environmental Quality (DEQ) formally declared the middle segment of the Gallatin River ‘impaired’ by algal blooms under Section 303(d) of the federal Clean Water Act (CWA)….

Gallatin County District Court Rules in Favor of Environmental Groups

Subdivision Water Pollution Permit Declared Unlawful After DEQ Failed to Consider Cumulative Impacts On November 16, the Montana Eighteenth Judicial District Court in Gallatin County released a ruling in favor of Upper Missouri Waterkeeper and the Montana Environmental Information Center…