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

Image MPCA staff provide technical assistance to businesses seeking to improve their environmental performance and prevent pollution.Small business…

Recycling is good for Minnesota's economy. It supports more than 60,000 jobs in our state, paying almost $3.4 billion in wages and adds nearly $15.7 billion to Minnesota's economy.

All facilities with air permits must submit an annual emissions inventory report to the MPCA that tracks actual emissions of major pollutants at that facility.

Information for larger feedlot owners on the federal National Pollutant Discharge Elimination System (NPDES) and State Disposal System (SDS) permits for construction and operation permits in Minnesota.

Keep It Clean focuses on the growing problem of garbage and human waste left on the ice by anglers and other visitors during ice fishing season.

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.

SSTS inspections determine if the design and installation meet code requirements and whether the system is functioning properly to protect public health and groundwater.

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.

Guidance for small businesses on reporting air emissions.

Businesses face challenges from climate change's impacts, but they can also take steps to reduce their contributions to climate change.

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…

Pesticide NPDES permit steps to compliance: Terminating pesticide permit

MPCA invited grant proposals from public, private, and nonprofit delivery and commercial service providers to fund cleaner transportation vehicles.

Understanding small-scale differences in air pollution is important for minimizing exposure to harmful air pollutants, particularly for vulnerable communities.

Permits for wastewater treatment require monthly, quarterly, or annual reporting of discharge monitoring results

Approximately $1.3 million in funding was available for local climate action planning and implementation projects.

Minnesota GreenCorps members serving with the City of Minneapolis developed a mini-course for residents about responsible use of deicing salt.

The MPCA completed 78 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2025, for a total of 146 for the year.

Minnesota has a growing salty water problem that threatens its freshwater fish and other aquatic life. Chloride from both de-icing salt and water softener salt gets into lakes and streams, and…