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The MPCA strives to ensure all people in Minnesota have clean air, regardless of where they live or work.

General permit intended for facilities using processes including abrasive blasting, brazing, catalytic or thermal oxidizers, dip tanks, injection molding, resin and gel coating, spraying and coating activities, and welding.

Austin's municipal wastewater treatment plant discharged ammonia and fecal coliform over permitted limits into the Cedar River.

James Wooton puts his scuba diving skills to work monitoring for aquatic invasive species in Otter Tail County lakes.

Water quality trades that have been arranged in Minnesota illustrate many opportunities to enhance pollution reduction efforts while offering flexibility and cost savings to regulated municipalities and industries.

MPCA Environmental Assistance grant program puts spotlight on mend-it clinics and other reuse and waste reduction efforts.

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.

Application forms and instructions for applying for wastewater permits.

Environmental information and resources for the aggregate industry.

Metal recycler in Brainerd constructed and operated a metal shredder without obtaining an air permit and under-reported VOC emissions in 2022.

The MPCA fines American Crystal Sugar in Moorhead $16,000 for wastewater violations.

Guidance for solid waste facilities

The air emissions breakdown/shutdown notification form is required by rule to prevent endangerment of human health or the environment.

Hutchinson Utilities exceeded its permit limit for particulate matter during an air quality performance test. High levels of particulates are known to cause environmental harm and health problems.

MPCA investigators say West Fraser paid a fine of $15,775 for air permit violations at their facility in Solway.

Shopping for a new wood stove? Remember that new stoves and outdoor boilers must be certified to new 2020 emission standards to be sold in Minnesota.

Are pets affected by poor air quality? Will wearing a mask help when I’m outside? What is particulate pollution? We’ve got the answers.

MPCA evaluates water quality by measuring and monitoring the health of fish, macroinvertebrates, and plants.

To reduce the pollution that causes climate change, Minnesota has set goals to cut our collective greenhouse gas (GHG) emissions and track progress.

Answers to common questions about the Construction Stormwater Permit application