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A TMDL addressing excess bacteria in 22 stream reaches and protection strategies for 29 stream and river reaches in the Upper Mississippi River watershed.
The MPCA and its many partners collect a wide variety of data on environmental conditions and pollution sources.
Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.
MPCA guidance for evaluating when closed landfills may exit the postclosure care phase.
Pesticide NPDES Permit Steps to Compliance Step 2: submit a notice of intent
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.
Instructions for preparing for and completing the online exam for underground storage tank operator certification.
Removing of an old dam and restoring a creek's curves are improving habitat and water quality in the Pomme de Terre River Watershed.
The Minnesota Nutrient Reduction Strategy (NRS) compiles the latest science, research, and data and recommends the most effective strategies to reduce nutrients in our waters from both point and nonpoint sources.
The AQI was developed to provide a simple, uniform way to report daily air quality conditions.
Financial assistance for SSTS work is targeted to units of local government.
To help you quickly determine whether this permit affects you, what your requirements are, and what to do next, the MPCA has developed an Applicability flow chart
Industrial stormwater steps to compliance Step 6: Meet requirements
The MPCA enforces federal and state requirements for air quality permitting.
Thermal paper is thin with a slick feel or sheen finish and discolors easily when scratched.
Kathy Wagner, recipient of the 2025 Community Conservationist Award from the Minnesota Pollution Control Agency (MPCA) and Minnesota Association of Soil and Water Conservation Districts (MASWCD), discusses her personal conservation work and local environmental advocacy.
Spilled mercury, even small quantities in the home, should be cleaned up quickly and properly so that people don't come in contact with it or breathe its vapors.
Two small creeks in the Nemadji River watershed are cleaner, and some fish have returned, after restoration work that the MPCA took part in.
Four watershed scientists had an article published in LakeLine magazine. They report on 20 years of success getting lakes cleaned up.
Projects will reduce the amount of waste entering landfills, benefiting the environment and local economies.