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Permit applications must include detailed emissions calculations to help determine which permit type or permit amendment is needed.
Nearly all feedlot owners are required to register with the state and update their registration information every four years, unless they have applied for a permit recently. This page includes information about how to register.
The National Crude Oil Spill Research Site near Bemidji was formed after a pipeline break released 10,000 barrels of crude oil in 1979.
Join our team! Open positions and general opportunities at the Pollution Control Agency
Profile of John Weiss, a volunteer with the MPCA's Volunteer Water Monitoring Program
Clean heavy-duty off-road equipment grants fund the replacement of older, more polluting diesel equipment with newer, cleaner technology.
First of a series of MPCA staff profiles. Kevin Stroom conducts research on streams and has published a report about Straight River.
A series of new culverts in Lake County reconnect brook trout habitat and provide resilience to climate change for area roads.
Surface water assessment grants (SWAG) provide local organizations and citizen volunteers with funds to complete the monitoring needed to meet assessment requirements on Minnesota lakes and streams. Assessment is usually the first step in protecting or restoring surface waters.
Chloride is a problem for wastewater facilities and stormwater permittees.
From January through March 2025, MPCA air monitoring data showed elevated lead levels that exceeded national ambient air quality standards at the facility. An MPCA inspection of Gopher Resource this spring confirms that the source of the elevated lead levels has been addressed.
Minnesota is a national leader in ensuring healthy air quality. The Clean Air Act requires states to take significant responsibility for preventing and controlling air pollution. States must pass…
Significant restoration work by organizations in the area have made the south branch of the Buffalo River a water-quality success story.
We Are Water next visits Ely April 24 through June 16.