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Completed rulemaking for changes to reporting requirements for hazardous air pollutants (HAPs).
During the 2023 legislative session, legislators passed more than a dozen funding and policy proposals to address food waste, organics, recycling market development, and wood waste.
Disposing of wastes from a natural disaster or large fire
Licensing and certification requirements for SSTS businesses and professionals.
Allows new and expanding wastewater treatment facilities to receive a discharge permit prior to completion of an applicable phosphorus-related TMDL. Through pre-TMDL phosphorus trading a, a new or expanding facility may increase its phosphorus discharge by purchasing a phosphorus reduction from another source.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
The U.S. EPA has awarded Minnesota $200 million to cut climate pollution from our state’s food systems through the Climate Pollution Reduction Grants program.
As Minnesotans prepare for another summer of outdoor activities, MPCA meteorologists are forecasting a moderately active air quality season.
The MPCA has released Minnesota’s PFAS Blueprint — a strategic, coordinated approach developed by multiple agencies to protect families and communities from per- and polyfluoroalkyl substances (PFAS).
Controlling phosphorus is an important part of protecting Minnesota waters.
The MPCA regulates most aspects of livestock management including the location, design, construction, operation, and management of feedlots and manure-handling facilities.
Proposed changes to permits that regulate the state’s largest animal feedlots target nitrate pollution statewide.
SSTS staff contact information and areas of responsibility.
The MPCA plans to amend water quality standards (Minn. Rules chapter 7050) affecting Class 2 beneficial uses, which protect surface waters for aquatic life and recreation.
The MPCA is planning new rules governing air quality. The main purpose is to adopt new rules to implement and govern regulation of facilities that emit air toxics.
State experts anticipate an active summer for air quality alerts with recurring ozone and wildfire smoke events
The Minnesota Nutrient Reduction Strategy (NRS) compiles the latest science, research, and data and recommends the most effective strategies to reduce nutrients in our waters from both point and nonpoint sources.
Water quality trades that have been arranged in Minnesota illustrate many opportunities to enhance pollution reduction efforts while offering flexibility and cost savings to regulated municipalities and industries.
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.
Chloride is a problem for wastewater facilities and stormwater permittees.