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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.
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for all of Minnesota. The alert runs until noon on Monday, Aug. 4. Fine particle levels are expected to reach the red air quality index (AQI) category, a level considered unhealthy for everyone, in all of Minnesota,
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 orange AQI category in northern Minnesota, which is unhealthy for sensitive groups.The Minnesota Pollution…
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.
MPCA keeps its public data easily accessible for convenient use.
Excess phosphorus is harming Minnesota waters. Phosphorus comes from both regulated and non-regulated sources. A quarter of Minnesota lakes have high levels of phosphorus, which means that they do…
The Minnesota Pollution Control Agency (MPCA) has extended an air quality alert for southeast and northern Minnesota. The alert is now in effect until 4 p.m. on Tuesday, Aug. 12, for southeast Minnesota and until 11 p.m. on Wednesday, Aug. 13 for northern Minnesota. Fine particle levels are expected to reach the orange air quality index (AQI) category, a level considered unhealthy for sensitive groups.
Environmental information and resources for the aggregate industry.
The Lower St. Croix Watershed covers 585,735 acres and is located in northwest Wisconsin and east-central Minnesota.
The effects of contaminants of emerging concern (CECs) on fish, wildlife, and humans are only partly understood. The MPCA has been collecting occurrence data for a diverse set of CECs, but toxicity…
The MPCA proposes to adopt the U.S. EPA's 2013 national recommended water quality criteria for ammonia as its Class 2 ammonia water quality standards for the protection of aquatic life.
The Nemadji River Watershed spans the Minnesota-Wisconsin border and covers nearly 1.2 million acres.
Trichloroethylene (TCE) is a man-made chemical commonly found in wood finishes, glues and adhesives, paint or paint removers, and spot and metal cleaners. Exposure can have significant effects…
Frequently asked questions about SSTS certification and licensing.
Image Air quality is expected to reach the orange AQI category, which is unhealthy for sensitive groups, in southern, central, and western Minnesota…
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.
A project to address excess sediment and turbidity in the Mississippi River, from Fort Snelling at St. Paul to upper Lake Pepin at Red Wing, based on a site-specific standard developed by the MPCA and Wisconsin Department of Natural Resources.
Nitrogen management plans help operators of wastewater treatment facilities understand the inputs of nitrogen to their facilities and evaluate options that can reduce the amount of nitrogen discharged.
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.