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Elevated levels of tetrachloroethylene and trichloroethylene have been found in soil vapor around this site in St. Paul.
Agropur Inc., doing business as Le Sueur Cheese Company, land applied too much industrial byproduct, resulting in rates of nitrogen and phosphorus that exceeded the allowed limits by more than 10 percent. The violations occurred in 2022, near its cheese production facility in Le Sueur, Minnesota.
MPCA is planning new rules governing how the MPCA determines currently unavoidable uses of per- and polyfluoroalkyl substances (PFAS) in products.
Nitrogen, like phosphorus, is a nutrient that pollutes in state waters, and its concentration in many rivers has been increasing from historic natural levels over time due to human influences.…
Status of total maximum daily load (TMDL) projects in Minnesota.
Certain types of permits and approvals to conduct solid waste activities require a notification to the MPCA of the intent to perform the specified solid waste activity.
Improving water quality in Lake George has required treating phosphorus in the water and filtering pollutants out of urban stormwater.
The St. Louis River Watershed covers 3,584 square miles at the head of the Great Lakes and represents the extreme headwaters of the St. Lawrence River.
Learn what a brownfield is, how it can negatively affect communities, and resources for cleaning one up.
SSTS staff contact information and areas of responsibility.
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…
The MPCA has developed guidance on a number of topics to assist real estate developers, environmental engineers, remediation consultants, and others in addressing brownfields and contaminated sites.
The MPCA has withdrawn proposed rules relating to waste treated seeds.
MPCA keeps its public data easily accessible for convenient use.
Details on sampling and monitoring requirements of your industrial stormwater permit.
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.
Minnesota law requires that people notify the MPCA (through the Minnesota Duty Officer) immediately when more than five gallons of petroleum or any amount of any substance under their control is released into the environment that could cause pollution of waters of the state.
The MPCA identified a series of policy recommendations for the optimal management of decommissioned solar panels.
Protecting and restoring water quality is one of the MPCA's core areas of focus.
Sustained efforts by cities and water management organizations have restored water quality in two Dakota County lakes.