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…

FAQs: Montana’s Rollback of Numeric Nutrient Water Quality Standards

1. What just happened? The 2025 Montana Legislature passed and Governor Gianforte signed HB 664, a piece of legislation that rolls back numeric nutrient water quality standards for all water pollution control and water restoration purposes across the State. 2….

Lawsuit Challenges EPA Approval of Weak Montana Pollution Rule

Earlier today Upper Missouri Waterkeeper sued the Environmental Protection Agency (EPA) over its approval of Montana’s weak, so-called ‘variance standards’ for nitrogen and phosphorus pollution. These variance standards displace strong, science-based pollution limits Montana earlier found necessary to protect waterways and fisheries….