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The Rainy River - Headwaters Watershed covers nearly 1.9 million acres, starting in northern Cook and Lake Counties and flowing west/northwesterly into St. Louis County and the Canadian border waters.
Profile of John Weiss, a volunteer with the MPCA's Volunteer Water Monitoring Program
Join our team! Open positions and general opportunities at the Pollution Control Agency
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 MPCA is granting $4.4m from VW settlement funds to replace dirty diesel trucks with cleaner drivetrains. Similar previous grants show how the program works.
A series of new culverts in Lake County reconnect brook trout habitat and provide resilience to climate change for area roads.
Minnesotans are encouraged to share feedback through Nov. 9, 2025
MPCA is planning new rules governing how the MPCA determines currently unavoidable uses of per- and polyfluoroalkyl substances (PFAS) in products.
Climate adaptation is about developing strategies to help human and natural systems become more resilient to the effects of climate change.
New rules establish a program for the MPCA to collect information about products containing intentionally added PFAS and establish fees to be paid upon submission of required reporting.
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.
Profile of Karl Scheuer, a volunteer with the MPCA's Volunteer Water Monitoring Program
The purpose of the Minnesota Pollution Control Agency's official social media accounts is to provide information about the MPCA and the programs, services, and products we provide. The MPCA social…
We Are Water next visits Ortonville and the Big Stone Lake area March 15 through April 21.
We Are Water next visits Ely April 24 through June 16.
Smart technology, conservation practices, and a commitment to clean water help this family dairy and crop operation thrive — while protecting rivers, streams, and future generations.
Phosphorus management plans help wastewater treatment facility operators and managers evaluate pollution prevention and and management options that can reduce the amount of phosphorus discharged to Minnesota waters.
Polycyclic aromatic hydrocarbons (PAHs) are a class of more than 100 chemicals that occur naturally in coal, crude oil, and gasoline, and are also present in products made from fossil fuels, such as…
AccessibilityThe Minnesota Pollution Control Agency is committed to accessibility on its website. As part of that commitment, the MPCA makes every effort to comply with the State of Minnesota…