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The MPCA studies, monitors, and regulates water pollutants to protect human health and the environment. Minnesota water quality standards strives to protect water for use, measures health of waters, and guides limits on what regulated facilities can discharge to surface waters.

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

Carver County and Valley Paving Inc. failed to properly install and maintain erosion and sediment controls during a highway safety improvement project in the fall 2022 and spring 2023 near Watertown, Minn. This caused significant erosion and sediment to impact several area surface waters.

Initial screening information for a contaminant of emerging concern, beta-sitosterol.

Learn what steps you can take to reduce the pollution from small neighborhood sources.

Financing for wastewater and stormwater projects is available for public entities.

Under the new EPR program, Minnesota is phasing out all product packaging sold in our state that is not refillable, reusable, recyclable, or compostable by 2032.

This training program focuses on the implementation of best management practices for lawn/turf care maintenance.

There are two types of federal air regulations, the National Emission Standards for Hazardous Air Pollutants (NESHAPs) and New Source Performance Standards (NSPSs). Either or both regulations may…

Advising farmers about seeds, fertilizers, and other decisions, crop consultants have potential to promote sustainable practices to benefit water and soil health, and impact climate change.

Determine what type(s) of water quality permit is required at facilities that mine construction sand and gravel; industrial sand; quarry limestone, granite or dimension stone; operate hot mix asphalt production areas; produce concrete block, brick and other products; and/or produce ready-mix concrete.

Batteries aren’t trash, they’re treasure: Recycling old batteries gives their materials a new life. Visit CollectED's new, carnival-style interactive exhibit at MPCA's Eco Experience at the Minnesota State Fair to learn more about batteries.

Question and answer session with Addison Otto, a rule coordinator with the MPCA, about her work with the agency and how her hobby farm informs her work.

Emissions generated from gasoline and diesel powered vehicles are the greatest source of air pollution in Minnesota

The Keep It Clean campaign, a 2023 Minnesota law, and many partners working together are adding up to less garbage and waste left behind on frozen lakes.

What is a stormwater catch basin, and should I be worried about it?

Robyn Dwight is the 2024 winner of the Community Conservationist Award given by the Minnesota Association of Soil and Water Conservation Districts and MPCA. She helped expand Keep It Clean, which keeps garbage off lake ice.

In Minnesota, backyard burning is illegal for most homeowners. Change disposal habits to protect human health and reduce pollution.

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

Air quality is expected to reach the red AQI category across southern Minnesota, which is unhealthy for everyone.The air quality alert issued by Minnesota Pollution…