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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.

The northeast region of Minnesota is home to the state’s metallic mining industry. The "Iron Range" has a history of iron ore (“ferrous”) mining dating back to the late 1800s and includes the large…

Training resources for feedlot officers in Minnesota.

Application forms and instructions for applying for wastewater permits.

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

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

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…

The MPCA 401 certification fills a unique niche in protecting water quality by applying state water quality standards to projects.

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.

Stakeholders affected by the Minnesota Electronics Recycling Act must be registered with the MPCA.

The Mississippi River - Lake Pepin Watershed includes 205,747 acres that drain several small, coldwater streams in bedrock-dominated bluff country.