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In Minnesota, wastewater treatment operators must be certified to ensure that facilities meet operational requirements.
Residential- and high-strength wastewater products registered for use in Minnesota, including the manufacturer's name, a link to the company's web site, and the registered product's name and model.
Hutchinson Utilities exceeded its permit limit for particulate matter during an air quality performance test. High levels of particulates are known to cause environmental harm and health problems.
The Minnesota Pollution Control Agency has developed an updated draft air permit for Northshore Mining’s Peter Mitchell Mine in Babbitt that would control fugitive dust and particulate matter leaving the facility.
The MPCA regulates waste, recycling, and disposal activities in Minnesota. MPCA permits are required for the design, construction, and operation of solid waste management facilities where storage, collection, transportation, processing or reuse, conversion, or disposal of solid waste occurs.
Construction and demolition projects produce twice the amount of waste of household trash every year. A new MPCA grant aims to reduce that amount by funding innovative building material reuse projects.
MPCA investigation determined that construction sediment was discharged into the Blue Earth River and a county ditch.
The MPCA monitors water quality in rivers and streams is several different ways around the state.
Grants to replace heavy-duty diesel vehicles with electric or other, cleaner fuel options.
The Snake River Watershed is located north of the Twin Cities in the St. Croix River Basin and encompasses 1,006 square miles in five counties: Aitkin, Kanabec, Mille Lacs, Pine, and Isanti.
In October 2023, New Ulm Steel failed a noise test at its facility. New Ulm Steel was also fined for dust escaping the facility and settling on a public road.
The South Fork Crow River Watershed covers 818,428 acres. It is located in south-central Minnesota and encompasses parts of Kandiyohi, Renville, Meeker, McLeod, Sibley, Wright, Carver, and Hennepin counties.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
Lake of the Woods is a big lake with a big problem caused by one of nature’s smallest organisms: algae. Scientists from the MPCA and the Science Museum are working together to understand why.
When leaves fall on streets, sidewalks, and other hardscapes in urban areas, they wash into the storm drains and end up in lakes and rivers where they feed algae growth. The algae then decomposes and uses up oxygen that fish and native plants need.
Organics recycling reduces greenhouse gas emissions and keeps waste out of landfills. MPCA answers commonly asked questions about how and why to participate in organics recycling programs.
DENCO II LLC failed a stack test in April, 2024, that showed that the facility exceeded its permit limit for particulate matter by more than 170%.
Nottingham Construction failed to notify the MPCA that it was demolishing a property in Mahtomedi that contained asbestos and failed to send the asbestos demolition debris to a permitted facility.
Cities fined over $12,000 apiece for municipal wastewater violations
The MPCA fined Heron Lake BioEnergy $18,174 for failing to properly maintain safety controls and inspect storage tanks on its property.