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Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.

Residents' guide to stormwater permitting.

The MPCA will analyze varying background sulfate levels across Minnesota, which could inform our implementation of the wild rice sulfate water quality standard.

Residential- and high-strength wastewater products registered for use in Minnesota, including the manufacturer's name, a link to the company's web site, and the registered product's name and model.

This year’s forum will focus on ways to reduce nitrogen in Minnesota’s water, and ways that agricultural and urban partners are working together to improve water quality.

Minnesota rules require that anyone installing, repairing, or removing regulated underground storage tanks be certified by the MPCA.

Systems to treat drinking water have been installed to address groundwater contamination in two St. Louis Park and three Edina municipal wells.

East Side Jersey Dairy Inc., doing business as Prairie Farms Dairy Inc., had several liquid sugar spills they failed to report to the Minnesota Duty Officer in 2022 and 2023. The spills created a potential for harm to the environment and aquatic life had they reached wetlands near the company’s facility in Woodbury, Minnesota.

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.

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

Conditionally exempt facilities do not need an air quality permit if they follow specific requirements.

Minnesota’s Continuous Nitrate Sensor Network generates publicly available water quality data on nitrate levels in our surface water.

Profile of John Weiss, a volunteer with the MPCA's Volunteer Water Monitoring Program

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.

A series of new culverts in Lake County reconnect brook trout habitat and provide resilience to climate change for area roads.

Kate Knuth's career in addressing climate change, which took her to the Minnesota Capitol as a state legislator, has now led her to the MPCA as its new climate director.

First of a series of MPCA staff profiles. Kevin Stroom conducts research on streams and has published a report about Straight River.

The MPCA enforces federal and state requirements for air quality permitting.

Information for cannabis growers and processors to understand environmental regulations and permits that may apply to their businesses.

We Are Water next visits Ortonville and the Big Stone Lake area March 15 through April 21.