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MPCA completed 100 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the first half of 2024
MPCA seeks public comment on a proposed air permit for the U.S. Steel Keetac mining facility in Keewatin, Minn.
Minnesota rules require many facilities that produce air emissions to conduct performance testing.
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.
The MPCA identified a series of policy recommendations for the optimal management of decommissioned solar panels.
Determine what type(s) of water quality permit is required at facilities that mine construction sand and gravel; industrial sand; quarry limestone, granite or dimension stone; operate hot mix asphalt production areas; produce concrete block, brick and other products; and/or produce ready-mix concrete.
Biosolids that will be applied to land must meet strict regulations and quality standards.
Public invited to comment on draft guidance A fish kill at Trout Valley Creek near Minneiska. The Minnesota Pollution Control Agency (MPCA) today released a…
To reduce contamination at compost facilities, Minnesota’s compostable product labeling law requires all bags, packaging, and food service products labeled as “compostable” and sold in Minnesota after Jan. 1, 2025, to meet certain requirements.
We Are Water next visits Ely April 24 through June 16.
The northeast region of Minnesota is home to the state’s metallic mining industry. The "Iron Range" has a history of iron ore (“ferrous”) mining dating back to the late 1800s and includes the large…
Clearing ice? Before you reach for the salt bag and begin to scatter, consider using other tools to get the job done that are less toxic to our waterways and our beloved pets, and will save you money.
Underground storage tank (UST) facilities must designate owners, operators, or employees as Class A, Class B, and Class C operators.
Willernie-based Revitri won the MPCA’s Green and Sustainable Chemistry Prize for its innovative manufactured glass beads
A training and certification program for evaluating aquatic life in Minnesota’s rivers and streams.
The Otter Tail River Watershed encompasses three different ecoregions, covering more than 1.2 million acres in west-central Minnesota.
Nitrogen dioxide (NO2) is one of a group of highly reactive gases known as nitrogen oxides. NO2 reacts with other chemicals in the air to form other pollutants, such as ozone, particulate matter,…
Water quality standards are frequently adopted statewide or by ecoregions. These standards can include large areas with different types of water, biological communities and natural water chemistries.
Permits for wastewater treatment require monthly, quarterly, or annual reporting of discharge monitoring results
The MPCA added three bodies of water to the impaired waters list for PFAS contamination. Which are they? How did they get polluted? And how much PFAS does it take to contaminate a body of water?