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The MPCA completed 78 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2025, for a total of 146 for the year.
BALMM emphasizes land use practices to improve or protect water quality, particularly in the areas of watershed management, aquifer protection and floodplain management.
SSTS staff contact information and areas of responsibility.
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).
MPCA has developed a draft wastewater permit for the MagIron LLC facility near Grand Rapids, Minn. The facility will process former natural iron ore mining waste material into high-grade, low-impurity iron ore concentrate at the site and supply electric arc furnace steelmaking.
The northeast region of Minnesota is home to the state’s metallic mining industry. The "Iron Range" has a history of iron ore (“ferrous”) mining dating back to the late 1800s and includes the large…
MPCA investigation shows the city violated its wastewater permit in Freeborn County from April 2021 to April 2023.
Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.
The MPCA has announced 13 grant recipients that will receive a total of nearly $4.8 million for projects that will keep good food from going to waste in Minnesota while diverting usable food to people in need.
The MPCA has announced that 7 grant recipients will receive a total of $4.5 million for projects that expand or improve the efficiency of organics management operations in Minnesota.
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.
Less than three years after Minnesota passed the country's first ban on TCE, a carcinogenic solvent, facilities around the state have removed it from their processes.
MPCA's recommended review criteria for wastewater treatment facilities that need to perform system maintenance that requires approval to bypass untreated or partially treated domestic wastewater.
Application forms and instructions for applying for wastewater permits.
Determine what type(s) of water quality permit is required at facilities that mine construction sand and gravel; industrial sand; quarry limestone, granite or dimension stone; operate hot mix asphalt production areas; produce concrete block, brick and other products; and/or produce ready-mix concrete.
The MPCA is developing a sulfate multi-discharger variance (MDV) for wastewater facilities that are currently unable to meet the state water quality standard for sulfate.
Salt is commonly over-applied, sending too much chloride into our waterways and wreaking havoc on fish and other wildlife.
The MPCA gave an environmental award to the Evangelical Lutheran Good Samaritan Society, which sold land so it could become a watershed wetland in Baxter. The project is being finalized in summer 2024.
The MPCA is working on both short and long-term solutions to the growing waste problems in the Twin Cities metropolitan area.
Biosolids that will be applied to land must meet strict regulations and quality standards.