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Minnesota has revised state water quality standards to incorporate a tiered aquatic life use (TALU) framework for rivers and streams.

Vapor intrusion occurs when chemical vapors migrate from contaminated groundwater through the soil into the basements or foundations of buildings.

Residents' guide to stormwater permitting.

Forms, guidance, and assistance to apply for an air quality permit.

In 2023, Minnesota saw more air quality alerts covering more days than ever before. Smoke from Canadian wildfires throughout the summer caused many of the alerts, though climate change is playing a growing role in Minnesota's air quality.

Sustainable aviation fuel (SAF) is low-carbon synthetic fuel made from non-petroleum sources that is blended with traditional jet fuel to reduce greenhouse gas emissions from air transportation.

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 Rainy River - Headwaters Watershed covers nearly 1.9 million acres, starting in northern Cook and Lake Counties and flowing west/northwesterly into St. Louis County and the Canadian border waters.

The Lake Superior - South Watershed covers 402,371 acres.

Local governments with SSTS programs submit information to the MPCA each year on SSTS permitting and compliance trends for the previous calendar year. The information helps the agency with long-range planning efforts.

Sustained efforts by cities and water management organizations have restored water quality in two Dakota County lakes.

Financing for wastewater and stormwater projects is available for public entities.

Superfund requires specific investigation and cleanup processes, designates parties that are legally responsible for the cleanup, and provides funds for certain types of cleanups under Minnesota’s Environmental Response and Liability Act (MERLA).

The MPCA provides workshops and conferences to help solid waste landfill operators get certified and stay up to date.

Counties and solid waste management districts around the state are required to prepare and implement detailed plans for solid waste management.

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.

Healthy land and soil is essential for thriving Minnesota communities. It drives economic development and opportunity, improves our health, and contributes to clean water for drinking and recreation…

The Mississippi River - St. Cloud Watershed covers 691,200 acres (1,080 square miles) in the south-central part of the Upper Mississippi River Basin. The watershed includes all or parts of the counties of Benton, Meeker, Mille Lacs, Morrison, Sherburne, Stearns, and Wright.

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

The Buffalo River Watershed covers more than 1,100 square miles in portions of Becker, Clay, Otter Tail, and Wilkin counties, with a small portion of its headwaters in the White Earth Reservation.