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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.
Nitrogen management plans help operators of wastewater treatment facilities understand the inputs of nitrogen to their facilities and evaluate options that can reduce the amount of nitrogen discharged.
The MPCA issued the most recent municipal stormwater general permit (MNR040000) in November 2020.
The MPCA sought applications from contractors to partner with auto repair shops, dealerships, tech colleges or other entities to identify and fix high-emitting vehicles.
Join the celebration! We look forward to highlighting Minnesota’s clean water successes and invite you to use our 50th anniversary art and branded graphics.
State experts anticipate an active summer for air quality alerts with recurring ozone and wildfire smoke events
Guidance and recommendations for local officials dealing with public health issues related to blue-green algae.
Systems to treat drinking water have been installed to address groundwater contamination in two St. Louis Park and three Edina municipal wells.
New major-emitting industrial facilities and major modifications of existing facilities must obtain a permit before construction and include the best pollution-control technology available if they significantly increase emissions.
This feature summarizes findings from four WRAPS reports in 2024: Root River, Mississippi River-St. Cloud, Pomme de Terre River, and Mississippi River-Lake Pepin Tributaries.
Before Laura Mendoza Romero got involved with shoreline restoration, she remembers going on boat rides and seeing all the different landscapes along the shore. Some houses you could barely see…
The MPCA developed the Wastewater Nitrogen Reduction and Implementation Strategy to decrease the wastewater sector’s nitrogen loads for the protection and restoration of bodies of water in and downstream of Minnesota.
Minnesota’s policy is to eliminate or reduce the use, generation, and release of toxic pollutants and hazardous wastes at their source.
Lake of the Woods is a big lake with a big problem caused by one of nature’s smallest organisms: algae. Scientists from the MPCA and the Science Museum are working together to understand why.
Volunteer-collected data are regularly used in decision-making and conservation efforts. Find a program that excites you and join in.
Salt is commonly over-applied, sending too much chloride into our waterways and wreaking havoc on fish and other wildlife.
Launched in 2022, the PFAS monitoring plan lays out a path for PFAS monitoring at solid waste, wastewater, and stormwater facilities; hazardous waste landfills; facilities with air emissions; and…
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.
AccessibilityThe Minnesota Pollution Control Agency is committed to accessibility on its website. As part of that commitment, the MPCA makes every effort to comply with the State of Minnesota…
Learn what you can do to protect yourself and your community from environmental problems caused by flooding.