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In Minnesota, wastewater treatment operators must be certified to ensure that facilities meet operational requirements.

Image The goal of the MPCA's regulatory programs covering hazardous substances and solid waste is to prevent contamination of land, water, and air by…

Clean Water Fund dollars come from the Clean Water, Land and Legacy Amendment that Minnesotans approved in 2008.

For more than 50 years, volunteers have gathered critically important water clarity data on Minnesota lakes and streams.

Standard operating procedures (SOPs) reflect how agency staff and contracted partners complete agency-funded field activities.

Eight cities will receive grants to create plans that will protect homes and businesses from flooding and other climate impacts

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.

Through this Minnesota climate smart food systems (CSFS) grant, the MPCA is accepting applications for grants to reduce refrigerant emissions in retail food refrigeration, cold storage, and food assistance programs in Minnesota. Refrigeration projects must include replacing existing equipment to use a natural refrigerant such as carbon dioxide (R-744), ammonia (R-717), and propane (R-290).

Important details to help make your e-Service administrative submittal go as smoothly as possible.

Best practices for SSTS installations drafted by St. Louis County, Minn., in 2008 based on the experiences of SSTS installers and inspectors.

Minnesota’s policy is to eliminate or reduce the use, generation, and release of toxic pollutants and hazardous wastes at their source.

The MPCA will analyze varying background sulfate levels across Minnesota, which could inform our implementation of the wild rice sulfate water quality standard.

Apply for funds to help assess sites with known or suspected contamination and develop remediation plans.

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…

Prevent costly sewer clogs by keeping grease out of sinks and by not flushing disposable wipes.

The Minnesota River - Mankato Watershed covers 861,886 acres across Cottonwood, Brown, Redwood, Renville, Sibley, Nicollet, Blue Earth, and Le Sueur counties in south-central Minnesota.

Green and safer product chemistry is formulating or designing a new product (or reformulating an existing one) to reduce harmful environmental, workplace, human health, and energy use effects over the product's entire life cycle.

Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.

The Performance Excellence Network has awarded the MPCA its Excellence Award for the agency's superior operational performance and commitment to continuous improvement.

Minnesota industrial stormwater permittees in certain industries to monitor for PFAS in their stormwater runoff or snow.