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MPCA and MDH statement on the U.S. EPA's maximum contaminant levels for PFAS in drinking water.
The Air We Breathe report looks at public health and air quality data to gauge how air pollution is affecting our health in Minnesota.
In 2010, the MPCA began receiving public inquiries about projects to mine silica sand for use in hydraulic fracturing, or “fracking,” a drilling method used for natural gas and oil wells.
A series of new culverts in Lake County reconnect brook trout habitat and provide resilience to climate change for area roads.
The MPCA proposes adding 46 new impaired bodies of water and removing 45 impairments from bodies of water from the IWL, the most removals in a two-year cycle since the state began the IWL program in 1992.
The MPCA has started a study intended to understand and document the variation in naturally occurring sulfate levels across the state.
Public invited to comment on draft guidance A fish kill at Trout Valley Creek near Minneiska.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…
The Minnesota Pollution Control Agency seeks public comment on a draft industrial wastewater permit that provides various improvements to better protect the environment and human health at Northshore Mining Co.'s taconite processing facility and tailings basin in Silver Bay, Minnesota.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
Industrial Stormwater Steps to Compliance - Step 5: Gather application materials before applying, use the e-Service to apply or modify coverage
The MPCA monitors water quality in rivers and streams is several different ways around the state.
The MPCA is working to address environmental concerns at the closed Freeway Landfill, to prevent the buried waste from affecting drinking water and the nearby Minnesota River.
State will begin engagement next month on an updated framework set to be released in 2025
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for north central and northeast Minnesota. The alert takes effect at 10 a.m. on Thursday, July 17, and runs until 1 a.m. on Friday, July 18. Air quality is expected to reach the orange AQI category which is unhealthy for sensitive groups.
Status of total maximum daily load (TMDL) projects in Minnesota.
The MPCA issued a new air quality permit for this manufacturing facility in White Bear Township.
Lake of the Woods is a big lake with a big problem caused by one of nature’s smallest organisms: algae. Scientists from the MPCA and the Science Museum are working together to understand why.
Requirements for discharges from a project site and/or management control site(s).
The Rum River Watershed covers 997,060 acres in east-central Minnesota, covering parts of Aitkin, Crow Wing, Morrison, Mille Lacs, Kanabec, Benton, Isanti, Chisago, Sherburne, and Anoka counties.
Owners/operators of construction activity must complete several steps before completing a permit application and beginning construction. These steps also help owners/operators determine their eligibility for coverage under the general permit.