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Permit applications must include detailed emissions calculations to help determine which permit type or permit amendment is needed.

Volatile organic compounds (VOCs) are a group of chemicals that can vaporize into air. VOCs are in thousands of daily use products, including paint, varnish, wax, and various cleaning, degreasing,…

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

Helping Minnesota businesses comply with environmental rules, reduce wastes and emissions, and reduce regulatory obligations.

A program to provide sustainable, longer-term funding a select number watersheds to make measurable and visible progress.

MPCA established a network of long-term biological monitoring stations that represent a variety of stream types in their most natural condition.

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.

Minnesota’s Digital Fair Repair Act went into effect July 1. Here’s why it matters and how you can use it to save money and the environment

$5.5 million grant from the U.S. EPA will help three Minnesota school districts partially electrify their bus fleets.

As part of our commitment to continuous improvement, transparency, certainty, and customer service, the MPCA is improving the way we track and administer permits. These efforts are part of periodical…

To obtain coverage under this permit, the owner(s) must document compliance with the criteria for coverage under this general permit, prior to disposal of the uncontaminated concrete.

Does it seems like the number of alerts due to wildfires has increased in the past few years? We’ve had 46 air-quality alerts since 2015—34 of those due to wildfire smoke.

Profile of Julia Dady, a volunteer water monitor for Battle Creek in Saint Paul.

All facilities with air permits must submit an annual emissions inventory report to the MPCA that tracks actual emissions of major pollutants at that facility.

Elevated levels of tetrachloroethylene and trichloroethylene have been found in soil vapor around this site in St. Paul.

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…

Forms and guidance for recordkeeping, submittal, and reporting for air permits.

Resources for recycling market development

Investments in electric vehicle charging stations around Minnesota.

Perchloroethylene or tetrachloroethylene (PCE or Perc) is chlorinated solvent used in a variety of processes as a solvent and degreaser. When released in the environment, some PCE will evaporate…