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Requirements for discharges from a project site and/or management control site(s).
The MPCA is currently recruiting volunteers to measure water clarity in numerous lakes and streams across the state and then report the data back to the agency.
The Minnesota Pollution Control Agency (MPCA) today announced a new initiative to monitor water quality throughout the entire Mississippi River within Minnesota’s borders for the first time in a single year.
The MPCA investigates sites where hazardous substances have been or could be released to identify risks and appropriate remediation plans.
Information for cannabis growers and processors to understand environmental regulations and permits that may apply to their businesses.
As part of our commitment to continuous improvement, transparency, certainty, and customer service, the MPCA is improving the way we track and administer permits. These efforts are part of periodical…
Minnesota rivers are shrinking in the drought; some have their lowest flows in decades. What will be the long term effects?
The 2025 MPCA annual report on Brownfields celebrated numerous major achievements cleaning up and rehabilitating polluted properties.
The MPCA had at least $1 million to support projects that will build lasting capacity to preserve standing tree stock and manage increasing volumes of wood waste.
The MPCA is leading multiple initiatives to reduce greenhouse gas emissions from the transportation sector.
Environmental information and permits that affect hot mix asphalt plants.
Willernie-based Revitri won the MPCA’s Green and Sustainable Chemistry Prize for its innovative manufactured glass beads
For Katy Backes Kozhimannil, water is intrinsically tied to her life’s work. As a professor of public health at the University of Minnesota with a focus on rural communities, she has made it her life…
Chrome-plating facility in St. Louis Park is the alleged source of pollution in local lakes.
Increased rainfall from climate change damages river water quality, which in turn damages fishing and recreation.
A successful cleanup of contaminated land along the Cedar River in Austin caps a long history of industrial pollution.
Finding ways to keep stormwater on land and let it soak into the ground can lessen the negative effects on water quality from stormwater.
States are responsible for developing a Regional Haze State Implementation Plan (SIP) that addresses regional haze in each Class I area located within the state and in each Class I area located…
Improving water quality in Lake George has required treating phosphorus in the water and filtering pollutants out of urban stormwater.
The MPCA studies Minnesota's solid waste composition and processes to inform policy recommendations, legislative proposals, education and outreach messages, and waste reduction efforts.