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

The Mississippi River - Grand Rapids Watershed covers 1,3 million acres and contains 1,908 miles of stream/rivers and 552 lakes greater than 10 acres. The watershed drainage comprises parts of the counties of Aitkin, Carlton, Cass, Itasca, and St. Louis.

Owners/operators of construction activity must complete several steps before completing a permit application and beginning construction. These steps also help owners/operators determine their eligibility for coverage under the general permit.

Resources for wastewater clients.

Information about a variety of initiatives in Minnesota related to PFAS pollution.

Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.

Environmental information and permits that affect hot mix asphalt plants.

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

Properly trained and certified SSTS personnel are critical. What work duties can local program staff do before becoming certified, and how can that process be expedited?

There are two types of federal air regulations, the National Emission Standards for Hazardous Air Pollutants (NESHAPs) and New Source Performance Standards (NSPSs). Either or both regulations may…

The Upper/Lower Red Lake Watershed covers more than 1.2 million acres and is home to Upper and Lower Red Lakes, the two largest bodies of water within the state.

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

Petroleum spills from pipelines, trains, trucks, storage tanks, and other sources have damaged natural resources throughout Minnesota.

With the end of the 2025 model year in the automobile industry, so ends Minnesota's Clean Cars rule.  The Clean Cars rule, adopted in 2020, had a goal of electric vehicles exceeding 6% of all…

Each year, MPCA hires seasonal positions to assist with biological monitoring of streams and wetlands during the summer months.

Learn what steps you can take to reduce the pollution from small neighborhood sources.

MPCA plans to amend existing Minnesota Rules governing permits and solid waste landfills (chapters 7001 and 7035).

Stay connected Sign up to be notified when the MPCA makes new funding opportunities available.

The MPCA had approximately $135,000 in grant funding to help Minnesota businesses and organizations purchase bicycles and electric-assisted bicycles (e-bikes) for commercial use.

The MPCA monitors water quality in rivers and streams is several different ways around the state.