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Our climate has already changed and will continue to change. Minnesotans are feeling impacts of climate change, from higher temperatures, more extreme storms with intense flooding, and changes in our…
Systems to treat drinking water have been installed to address groundwater contamination in two St. Louis Park and three Edina municipal wells.
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.
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…
In 2009, a federal court ruled that NPDES permits were required for all biological and chemical pesticide applications that leave a residue in water when applications are made in, over, or near waters of the United States.
Standard operating procedures (SOPs) reflect how agency staff and contracted partners complete agency-funded field activities.
MPCA solicited proposals from qualified contractors to research and report on the projected costs of climate change adaptation and resilience measures needed to mitigate the projected impacts in Minnesota.
Permit 2025 Multi-Sector General Permit for Industrial Stormwater (wq-strm3-102g) Effective June 1, 2025 Updates and new…
Chloride is a problem for wastewater facilities and stormwater permittees.
Profile of John Weiss, a volunteer with the MPCA's Volunteer Water Monitoring Program
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.
MPCA sought proposals from qualified responders for a contract conducting a waste characterization study evaluating the types of materials generated and discarded in Minnesota and their relative prominence in Minnesota’s waste streams.
Phosphorus management plans help wastewater treatment facility operators and managers evaluate pollution prevention and and management options that can reduce the amount of phosphorus discharged to Minnesota waters.
The MPCA had $800,000 in grant funding to help businesses, nonprofits, schools, and local governments with projects that use recyclable materials or process recyclable material into a higher value material.
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.
Pollutant and runoff maps and data for major watersheds; watershed monitoring and assessment reports.
Facilities in specific industries that store materials, waste, or equipment outdoors are subject to industrial stormwater regulations administered by the MPCA.
The MPCA had approximately $1.89 million available to install EV direct current fast-charging stations in public places.
The 2025 MPCA annual report on Brownfields celebrated numerous major achievements cleaning up and rehabilitating polluted properties.
The Clean Water Act established the framework for creating water quality standards and continues to help us protect Minnesota's prized lakes and rivers.