Search

The MPCA is proposing to amend Minnesota Rules governing animal feedlots.

Riverview LLP is seeking to expand its existing West River Dairy facility near Morris from 7,855 cows to a total capacity of 18,855 cows.

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

The Minnesota Pollution Control Agency (MPCA)’s draft wastewater permit for the 3M facility at Cottage Grove adds new water quality protections for the Mississippi River and improves accountability through monitoring and reporting requirements. The draft permit is one of the most rigorous in state history and mandates the removal of certain per- and polyfluoroalkyl substances (PFAS) to levels below detection.

Biosolids that will be applied to land must meet strict regulations and quality standards.

MPCA rules govern how septic systems are designed, installed, and managed in Minnesota.

Minnesotans are encouraged to share feedback through Nov. 9, 2025

Protecting and restoring water quality is one of the MPCA's core areas of focus.

The Clearwater River Watershed drains an area of 886,600 acres in the Red River of the North basin. The river flows to the northwest and southwest, eventually emptying into Red Lake River near Red Lake Falls.

Ready-to-run meteorological data suitable for AERMOD.

The MPCA studies Minnesota's solid waste composition and processes to inform policy recommendations, legislative proposals, education and outreach messages, and waste reduction efforts.

Permit applications must include detailed emissions calculations to help determine which permit type or permit amendment is needed.

The Rapid River watershed covers 573,060 acres in northern Minnesota. Over 79% of the land in the watershed is owned or managed by state entities.

Minnesota is a national leader in keeping mercury out of the environment.

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.

The Performance Excellence Network has awarded the MPCA its Excellence Award for the agency's superior operational performance and commitment to continuous improvement.

Groundwater is the source of drinking water for about 75% of all Minnesotans and provides almost all of the water used to irrigate crops. Its purity and availability is critical to the health of the state.

Wastewater treatment and disposal are important for protecting and preserving Minnesota's water resources. MPCA regulates wastewater treatment activities in Minnesota.

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

Septic tanks must be registered in Minnesota to ensure they are watertight and have adequate structural integrity.