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Performance testing: Measuring air emissions

Minnesota rules require many facilities that produce air emissions to conduct performance testing.

Recycling recovery

Each year, Minnesotans throw away more than 850,000 tons of recyclables, worth around $153 million. Here's how we're reducing those numbers in Greater Minnesota.

Help save Minnesota waters, your pets, and your wallet from too much salt this winter

Clearing ice? Before you reach for the salt bag and begin to scatter, consider using other tools to get the job done that are less toxic to our waterways and our beloved pets, and will save you money.

Maintaining closed landfills in Minnesota

MPCA's Closed Landfill Program is a voluntary program established in 1994 to properly close, monitor, and maintain Minnesota's closed municipal sanitary landfills.

2024 WRAP-up: MPCA scientists update research used to keep our waters clean

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.

How's the air there? Minneapolis sensor network tracks air quality at the neighborhood level

MPCA’s community air monitoring pilot grant program will provide $4.85 million to build more networks of community air sensors in the Twin Cities metro area.

Hot mix asphalt

Environmental information and permits that affect hot mix asphalt plants.

Metal fabrication and finishing

Environmental information and permits that affect metal fabrication and finishing businesses.

2025 WRAP-up: MPCA scientists aim for cleaner waters with updated research

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

Eco Living – Use less salt in your water softener to cut pollution and save money

Across the state, water softeners contribute significantly to chloride pollution. Here’s how to make sure your water softener isn’t sending excess salt into the environment

Eco Living – How new Minnesota laws are helping shoppers reduce exposure to PFAS

What consumers should know about new Minnesota laws prohibiting PFAS in consumer products and the MPCA’s efforts to minimize PFAS pollution by keeping it out of commonly used household products.

MPCA grant helps keep unused drugs out of landfills and in the hands of those in need

RoundtableRx is a nonprofit operating the Minnesota Medication Repository Program, which reduces pharmaceutical waste by collecting excess medication for redistribution. The MPCA recently provided a $52,910 grant for education and outreach to help solve the pharmaceutical waste issue in Minnesota.

Step 1: Pesticide permit applicability and thresholds

To help you quickly determine whether this permit affects you, what your requirements are, and what to do next, the MPCA has developed an Applicability flow chart

Wood from the Hood turns downed trees into something good

“Urban wood,” or wood salvaged from cities, suburbs, and towns, is a growing issue in Minnesota because of severe weather, urban expansion, and the emerald ash borer. Rather than burning the trees as waste, a preferred option for dealing with urban wood involves creating durable wood products like furniture, building materials, and wooden décor.