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Vapor intrusion occurs when chemical vapors migrate from contaminated groundwater through the soil into the basements or foundations of buildings.
The Minnesota Pollution Control Agency (MPCA) has continued an air quality alert for west central and northwest Minnesota. The alert runs until 11 p.m. on Tuesday, July 15. Air quality is expected to reach the orange AQI category which is unhealthy for sensitive groups.
The MPCA and its many partners collect a wide variety of data on environmental conditions and pollution sources.
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for northwest Minnesota. The alert takes effect 6 a.m. on Wednesday, July 23, and runs until 11 p.m. on Friday, July 25. Air quality is expected to reach the red AQI category in northwest Minnesota, which is unhealthy for everyone.
Elevated levels of tetrachloroethylene and trichloroethylene have been found in soil vapor around this site in St. Paul.
Testing found elevated levels of tetrachloroethylene/perchloroethylene (PCE or Perc) in soil vapors around the Dison’s Cleaners and Launderers site in Rochester.
The Minnesota Pollution Control Agency has issued an air quality alert for northeast Minnesota. The alert takes effect at 8 a.m. on Thursday, May 29, and runs until 6 p.m. on Friday, May 30. The affected area includes Two Harbors, Hibbing, Ely, Duluth, and the Tribal Nations of Grand Portage and Fond du Lac. Air quality is expected to reach the red AQI category which is unhealthy for everyone.
Image Air quality is expected to reach the red AQI category, which is unhealthy for everyone, in northwest MinnesotaThe Minnesota Pollution Control…
Image Air quality is expected to reach the red AQI category in north central and northwest Minnesota, which is unhealthy for everyone.The Minnesota…
Resources for the dry cleaning industry
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert all of Minnesota through 9 a.m. on Tuesday, Aug. 12. The maximum air quality index category for the area is red, which is unhealthy for everyone.
Image Air quality is expected to reach the orange AQI category in northern Minnesota, which is unhealthy for sensitive groups.The Minnesota Pollution…
An MPCA investigation determined that General Mills violated state rule at its oat processing facility in Fridley on several occasions from 2019 through 2023.
The Minnesota Pollution Control Agency has issued an air quality alert for northwest, north central, and northeast Minnesota for Thursday, June 5, until 7 p.m. on Friday, June 6. Air quality is expected to reach the red AQI category, which is unhealthy for everyone.
Sandblasted material from a construction site was deposited on a parking ramp next door.
Image Air quality is expected to reach the orange AQI category in north central, northwest, central, and west central Minnesota, which is unhealthy for…
The MPCA completed 78 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2025, for a total of 146 for the year.
Carba, a Minnesota-based company focused on carbon-capture technology, took home the MPCA’s Green and Sustainable Chemistry Prize at the 2023 MN Cup
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for north and central Minnesota. The alert runs until 11 p.m. on Wednesday, July 30. Fine particle levels are expected to reach the red air quality index (AQI) category, a level considered unhealthy for everyone, across north central, northwest, northeast, and east central Minnesota, and the orange AQI category, a level considered unhealthy for sensitive groups, across central, east central, west central, north central, and northwest Minnesota.
Industrial Stormwater Steps to Compliance - Step 2: Consider certifying for No Exposure