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The MPCA regulates both underground and aboveground commercial storage tanks above a certain size that hold petroleum or hazardous liquids.
The MPCA added three bodies of water to the impaired waters list for PFAS contamination. Which are they? How did they get polluted? And how much PFAS does it take to contaminate a body of water?
Emissions generated from gasoline and diesel powered vehicles are the greatest source of air pollution in Minnesota
MPCA's compliance and enforcement program tracks how well wastewater treatment facilities are complying with their permits and takes enforcement actions when necessary.
MPCA had approximately $250,000 in grant funding available to help Minnesota governments, businesses, institutions, and organizations address two specific needs: waste reduction/reuse and toxic products prevention.
Chemicals in the air toxics emission inventory.
The MPCA requested proposals from eligible applicants for projects that aim to reduce emissions of high global warming potential (HGWP) refrigerants in retail settings and food assistance programs in Minnesota.
The MPCA requested proposals from eligible applicants for projects that reduce emissions of high global warming potential (HGWP) refrigerants in retail settings and food assistance programs in Minnesota.
Countless bacteria can be found in land, water, humans, and animals. Most bacteria are beneficial, serving as food for larger organisms and playing critical roles in natural processes such as organic…
Residential- and high-strength wastewater products registered for use in Minnesota, including the manufacturer's name, a link to the company's web site, and the registered product's name and model.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
Many industrial by-products are good candidates for land application based on their nutrient content.
The MPCA closed 118 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2023.
Status of total maximum daily load (TMDL) projects in Minnesota.
The MPCA recognized 236 wastewater facilities for outstanding operations in 2024.
MPCA recognized 253 municipal and industrial wastewater treatment plants for outstanding operations in 2023.
A water quality variance is a temporary change in a state's water quality standard for a specific pollutant and its relevant criteria, allowing deviation from meeting a water quality-based effluent limit for a particular discharger.