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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.

The Watershed Pollutant Load Monitoring Network (WPLMN) is a partnership that collects data on water quality and flow in Minnesota.

Details for solid waste management facility permit issuance and reissuance.

Minnesota rules allow for specific uses (called beneficial uses) of certain materials that otherwise would be classified as solid waste.

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

The MPCA's air monitors continually measure pollutants. With this data, the agency can track pollution trends over time and show if outdoor air meets air quality standards and health benchmarks.

Find sustainable products for your business with these helpful certification and labeling systems.

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's leadership team.

Training resources for feedlot officers in Minnesota.

Chloride is a problem for wastewater facilities and stormwater permittees.

States are responsible for developing a Regional Haze State Implementation Plan (SIP) that addresses regional haze in each Class I area located within the state and in each Class I area located…

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.

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

MPCA had approximately $1 million for projects that increase the efficiency or effectiveness of waste reduction, reuse, recycling, or composting programs in Greater Minnesota.

The Des Moines River - Headwaters Watershed is located in southwestern Minnesota and covers approximately 1,334 square miles, including parts of Lyon, Pipestone, Murray, Cottonwood, Nobles, Jackson, and Martin counties.

The Lac qui Parle Watershed covers approximately 1,100 square miles and drains parts of Lac qui Parle, Lincoln, and Yellow Medicine counties in Minnesota as well as parts of Grant, Deuel, and Brookings counties in South Dakota.

The Long Prairie River Watershed covers approximately 565,078 acres and is located in the central part of the Upper Mississippi River Basin in central Minnesota. The watershed encompasses parts of Douglas, Otter Tail, Todd, Morrison and Wadena counties.

During the 2023 legislative session, legislators passed more than a dozen funding and policy proposals to address food waste, organics, recycling market development, and wood waste.

What is the blue-green scum that looks like spilled paint?In lakes that are over-enriched with phosphorus and nitrogen, algae tend to prosper and create algae blooms. Blue-green algae and one type in…