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The MPCA proposes to adopt the U.S. EPA's 2013 national recommended water quality criteria for ammonia as its Class 2 ammonia water quality standards for the protection of aquatic life.
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.
Forms and guidance for local partners submitting surface water data, QA/QC information and progress reports to MPCA.
In Minnesota, backyard burning is illegal for most homeowners. Change disposal habits to protect human health and reduce pollution.
Industrial Finishing Inc. violated several water quality permit conditions relating to required sampling, training, reporting and inspections at its industrial equipment coating and finishing facility in Deer Creek, Minn.
East Side Jersey Dairy Inc., doing business as Prairie Farms Dairy Inc., had several liquid sugar spills they failed to report to the Minnesota Duty Officer in 2022 and 2023. The spills created a potential for harm to the environment and aquatic life had they reached wetlands near the company’s facility in Woodbury, Minnesota.
Central Specialties Inc., based in Alexandria, violated several air permit conditions between 2021 and 2023 for its mobile hot-mix asphalt facility stationed at various locations around the state. Violations included failing to properly maintain pollution control equipment and inadequate recordkeeping and reporting.
In 2009, a federal court ruled that NPDES permits were required for all biological and chemical pesticide applications that leave a residue in water when applications are made in, over, or near waters of the United States.
Helping Minnesota businesses comply with environmental rules, reduce wastes and emissions, and reduce regulatory obligations.
Prevent costly sewer clogs by keeping grease out of sinks and by not flushing disposable wipes.
Company failed to install and upgrade equipment compatible with the fuels it was storing at seven of its convenience stores in Freeborn and Mower counties.
The MPCA recognized 236 wastewater facilities for outstanding operations in 2024.
Testing found elevated levels of tetrachloroethylene/perchloroethylene (PCE or Perc) in soil vapors around the Dison’s Cleaners and Launderers site in Rochester.
Elevated levels of tetrachloroethylene and trichloroethylene have been found in soil vapor around this site in St. Paul.
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.
Regulatory certainty is an incentive for municipalities that will employ biological nutrient removal in their wastewater treatment technology, and that are willing to accept a nitrogen limits in…
Sugar beet processing facility emitted higher levels of hydrogen sulfide and particulates than its permit allows between 2020 and 2022. The Polk-Norman-Mahnomen Community Health Board will receive 40% of the $350,000 penalty according to a new Minnesota statute enacted in 2023.
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.
Superfund requires specific investigation and cleanup processes, designates parties that are legally responsible for the cleanup, and provides funds for certain types of cleanups under Minnesota’s Environmental Response and Liability Act (MERLA).
The MPCA is planning a new rule governing waste, adopting new rules to implement and govern regulation of the Packaging Waste and Cost Reduction Act.