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Minnesota rules require many facilities that produce air emissions to conduct performance testing.
The MPCA is working on both short and long-term solutions to the growing waste problems in the Twin Cities metropolitan area.
Septic system owners are responsible for system maintenance. Properly maintaining a septic system will extend its life.
Following the 2024 legislative session, the MPCA was charged with appointing a 15-member task force to advise the agency on policy and program opportunities that would increase the recovery of critical materials from end-of-life products.
There are two types of federal air regulations, the National Emission Standards for Hazardous Air Pollutants (NESHAPs) and New Source Performance Standards (NSPSs). Either or both regulations may…
Sustained efforts by cities and water management organizations have restored water quality in two Dakota County lakes.
The Rainy River - Headwaters Watershed covers nearly 1.9 million acres, starting in northern Cook and Lake Counties and flowing west/northwesterly into St. Louis County and the Canadian border waters.
Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.
Projects to prioritize environmental justice areas
Allows new and expanding wastewater treatment facilities to receive a discharge permit prior to completion of an applicable phosphorus-related TMDL. Through pre-TMDL phosphorus trading a, a new or expanding facility may increase its phosphorus discharge by purchasing a phosphorus reduction from another source.
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
Environmental rules and regulations are essential tools used to protect Minnesota’s environment, setting standards for environmental quality and limits on pollutants that can be discharged from facilities. The MPCA helps protect our environment by writing and enforcing these rules and regulations.
Does it seems like the number of alerts due to wildfires has increased in the past few years? We’ve had 46 air-quality alerts since 2015—34 of those due to wildfire smoke.
Stakeholders affected by the Minnesota Electronics Recycling Act must be registered with the MPCA.
The MPCA released its environmental assessment worksheet (EAW) for the proposed expansion of Crow Wing County’s existing mixed municipal solid waste landfill northeast of Brainerd.
The MPCA today released its environmental assessment worksheet (EAW) for a new facility proposed by Vanguard Organics, LLC that will process organic materials through anaerobic digesters near Litchfield.
The MPCA and Minnesota Department of Natural Resources (DNR) today released a drinking water supply plan for the 14 communities impacted by 3M’s PFAS contamination in the East Metro.
Air quality is expected to reach the maroon AQI category in northeast Minnesota, which is hazardous for everyone.
Some pollutants attach to suspended particles in the water and subsequently settle out to the bottom sediment. At elevated concentrations, contaminated sediments can contribute to fish…
The law requires manufacturers of video display devices (VDD) to register, pay an annual registration fee, and meet a recycling obligation based on their market share of VDD sold in Minnesota.