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1,4-dioxane was mainly used as a stabilizer for chlorinated solvent 1,1,1-trichloroethane. 1,4-dioxane can also be an unintended contaminant in the production of certain products, including some…
Privacy rightsSeveral federal and state laws protect your privacy rights regarding the information the MPCA has about you. At times, an MPCA staff member may ask you to provide information about…
Learn what you can do to protect yourself and your community from environmental problems caused by flooding.
From the days when raw sewage flowed into rivers and lakes, Minnesota’s water bodies have come a long way. However, there is still work to be done in the restoration and protection of our waters.
Findings underscore need to reduce use of “forever chemicals”
As Minnesotans prepare for another summer of outdoor activities, MPCA meteorologists are forecasting a moderately active air quality season.
Details on sampling and monitoring requirements of your industrial stormwater permit.
Answers to common questions about the Construction Stormwater Permit application
The enduring nature of PFAS in the environment makes it important to give special consideration to products containing PFAS when it comes time to throw them out.
401 Certification process for applying Minnesota water quality standards to federal permitting actions.
Guidance for MPCA contractor and subcontractors
MPCA permits are required for extensions, additions, or other modifications to sanitary sewer collection systems that result in new or increased discharges of pollutants.
Environmental information and resources for the biochar industry.
The MPCA fined West Fraser Forest Products $24,750 for exceeding the total amount of hazardous air pollutants (HAPs) allowed by the air permit for the company’s Solway facility from January 2024 to January 2025.
The MPCA has important roles in protecting and restoring waters in degraded conditions.
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.
Helping Minnesota businesses comply with environmental rules, reduce wastes and emissions, and reduce regulatory obligations.
To make electric school buses more affordable to school districts, the MPCA started a grant program that puts more of the cleaner buses on routes across the state.
Every Minnesotan — regardless of income, race, ethnicity, color, or national origin — has the right to healthy air, sustainable lands, clean water, and a better climate.
Many residents have questions and concerns about loud noises or unpleasant odors that may be associated with industries or businesses in their community.