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Most AST systems that contain liquid capable of polluting the waters of the state are subject to state rules and permits.
Underground storage tank (UST) facilities must designate owners, operators, or employees as Class A, Class B, and Class C operators.
A brownfield assessment is a property investigation looking for potential contamination.
The enduring nature of PFAS in the environment makes it important to give special consideration to products containing PFAS when it comes time to throw them out.
The northeast region of Minnesota is home to the state’s metallic mining industry. The "Iron Range" has a history of iron ore (“ferrous”) mining dating back to the late 1800s and includes the large…
Removing Middle Lake from the impaired waters list required wrangling with a bottom feeder, the invasive carp.
The MPCA provides technical assistance and training to help permitted facilities and regulated communities meet environmental requirements. The agency works cooperatively with permitted facilities to…
Chloride is a problem for wastewater facilities and stormwater permittees.
To reduce the pollution that causes climate change, Minnesota has set goals to cut our collective greenhouse gas (GHG) emissions and track progress.
The Small Business Ombudsman is an independent entity responsible for reviewing environmental regulatory activities to ensure that they are fair, reasonable and appropriate for Minnesota's small businesses that have to comply with environmental regulations.
Less than three years after Minnesota passed the country's first ban on TCE, a carcinogenic solvent, facilities around the state have removed it from their processes.
Question and answer session with Addison Otto, a rule coordinator with the MPCA, about her work with the agency and how her hobby farm informs her work.
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.
Medicines flushed down the drain can contaminate water, which can hurt fish and other aquatic wildlife, and end up in our drinking water.
Wood waste from trees in the Twin Cities and other urban areas in Minnesota is a growing problem and highlights the need for more efforts to make use of this urban wood.
The 2025 MPCA annual report on Brownfields celebrated numerous major achievements cleaning up and rehabilitating polluted properties.
In 2023, Minnesota saw more air quality alerts covering more days than ever before. Smoke from Canadian wildfires throughout the summer caused many of the alerts, though climate change is playing a growing role in Minnesota's air quality.
Residents' guide to stormwater permitting.
Anglers can choose lead-free materials when shopping for fishing tackle. Popular options include tungsten, steel, tin, bismuth/tin, and glass.
As part of the MN Cup competition, MPCA offers a Sustainable Chemistry Prize of $10,000 to technologies and products that were designed using one or more green chemistry principles or that demonstrate safer or more sustainable chemistry than those already on the market.