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

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

The MPCA recognized 236 wastewater facilities for outstanding operations in 2024.

Environmental information and resources for the biochar industry.

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.

Air sensors are instruments that measure air quality conditions in near real time.

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

The MPCA is collaborating with many federal, Tribal, state, and local partners to clean up contaminated sites in the Duluth harbor and St. Louis River.

MPCA has released the first in a series of reports on industrial uses of PFAS in Minnesota and identifying alternatives.

Training resources for feedlot officers in Minnesota.

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

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.

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

Air pollution levels in Minnesota have steadily decreased over the past few decades and currently meet federal standards. But even levels that meet or are below these standards can affect people’s…

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.

The MPCA has released Minnesota’s PFAS Blueprint — a strategic, coordinated approach developed by multiple agencies to protect families and communities from per- and polyfluoroalkyl substances (PFAS).

Minnesota is the first state government in U.S. to use this combination of innovative technologies to address "forever chemicals”