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Biosolids that will be applied to land must meet strict regulations and quality standards.
The Clean Water Act established the framework for creating water quality standards and continues to help us protect Minnesota's prized lakes and rivers.
State will begin engagement next month on an updated framework set to be released in 2025
The Burnsville Sanitary Landfill (BSL) will expand to accommodate the growing municipal waste needs of the Twin Cities metro area. The expansion is part of the landfill’s long-term plan to extend the useful life of the landfill to 2062.
The Minnesota Pollution Control Agency (MPCA)’s draft wastewater permit for the 3M facility at Cottage Grove adds new water quality protections for the Mississippi River and improves accountability through monitoring and reporting requirements. The draft permit is one of the most rigorous in state history and mandates the removal of certain per- and polyfluoroalkyl substances (PFAS) to levels below detection.
Minnesota samples a network of shallow monitoring wells designed to provide early detection of contamination in the groundwater.
Find out what’s being done in Minnesota’s watersheds to protect and improve water quality.
The MPCA's air monitors continually measure pollutants. With this data, the agency can track pollution trends over time and show if outdoor air meets air quality standards and health benchmarks.
The We Are Water MN exhibit in Duluth's Hartley Nature Center runs from February 29 through April 22.
Information for larger feedlot owners on the federal National Pollutant Discharge Elimination System (NPDES) and State Disposal System (SDS) permits for construction and operation permits in Minnesota.
Permit 2025 Multi-Sector General Permit for Industrial Stormwater (wq-strm3-102g) Effective June 1, 2025 Updates and new…
Graphic timeline that outlines how the permitting process and environmental review process progress simultaneously.
This long-term data gathering initiative helps track trends in water bodies around the state. The MPCA is grateful for every volunteer who has dedicated time to monitoring their favorite lake or stream.
Any facility that emits air pollutants above certain levels is required to have an air quality permit.
In Minnesota, handlers of oil and hazardous substances are required to prepare for potential spills and take steps to prevent them.
MPCA rules govern how septic systems are designed, installed, and managed in Minnesota.
Edina-based startup, Naware, recently took the $10,000 Green and Sustainable Chemistry Prize, sponsored by the MPCA as part of the MN Cup, for combining two unlikely technologies to replace herbicides in lawncare with a more environmentally friendly alternative.
For National Farmers Day, a profile of pork and crop farmer Randy Spronk of Edgerton, Minnesota, and his sustainable ag practices.
The MPCA administers programs that are governed by 45 chapters of rules. The MPCA periodically conducts a “housekeeping” rulemaking to make minor corrections and clarifications to the rules or to repeal rules that have become obsolete.
Profile of Julia Dady, a volunteer water monitor for Battle Creek in Saint Paul.