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Volunteer-collected data are regularly used in decision-making and conservation efforts. Find a program that excites you and join in.
Cities fined over $12,000 apiece for municipal wastewater violations
For more than 50 years, volunteers have gathered critically important water clarity data on Minnesota lakes and streams.
Air sensors are instruments that measure air quality conditions in near real time.
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…
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.
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
Volatile organic compounds (VOCs) are a group of chemicals that can vaporize into air. VOCs are in thousands of daily use products, including paint, varnish, wax, and various cleaning, degreasing,…
First of a series of MPCA staff profiles. Kevin Stroom conducts research on streams and has published a report about Straight River.
Local governments with SSTS programs submit information to the MPCA each year on SSTS permitting and compliance trends for the previous calendar year. The information helps the agency with long-range planning efforts.
The MPCA will analyze varying background sulfate levels across Minnesota, which could inform our implementation of the wild rice sulfate water quality standard.
What's in My Neighborhood provides a wide variety of environmental information about your community. Search for:properties that were previously contaminated and those being investigated for…
The MPCA issued a new air quality permit for this manufacturing facility in White Bear Township.
Training resources for feedlot officers in Minnesota.
The MPCA has a mobile air monitoring program that allows the agency to respond faster to community air quality concerns across the state. The mobile air monitor collects data in areas where permanent…
Volunteers across Minnesota’s 87 counties have been collecting pine needles from coniferous trees in their neighborhoods to help the Minnesota Pollution Control Agency better understand how to protect Minnesotans from PFAS pollution.
Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.
The MPCA has developed a report to help improve the data when the volume of trash or recyclables has to be converted to weight.
The MPCA and the U.S. Environmental Protection Agency (EPA) are working together on an enforcement investigation to address elevated lead emissions at Federal Ammunition in Anoka.
The MPCA works with city and county governments, watershed districts, consultants, and others on monitoring, protecting, and restoring water quality. This is a repository of guidance and technical resources for agency partners.