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A project to address high levels of suspended sediment in the Minnesota River and the South Metro portion of the Mississippi River.

Chemicals in the air toxics emission inventory.

The MPCA studies, monitors, and regulates many land pollutants that affect the quality of life in Minnesota and the health of residents.

The effects of contaminants of emerging concern (CECs) on fish, wildlife, and humans are only partly understood. The MPCA has been collecting occurrence data for a diverse set of CECs, but toxicity…

A project to address excess sediment and turbidity in the Mississippi River, from Fort Snelling at St. Paul to upper Lake Pepin at Red Wing, based on a site-specific standard developed by the MPCA and Wisconsin Department of Natural Resources.

The law requires manufacturers of video display devices (VDD) to register, pay an annual registration fee, and meet a recycling obligation based on their market share of VDD sold in Minnesota.

Nitrogen management plans help operators of wastewater treatment facilities understand the inputs of nitrogen to their facilities and evaluate options that can reduce the amount of nitrogen discharged.

Some facilities may have air emissions low enough to qualify as "insignificant," and not be required to have an air permit.

Air quality is expected to reach the orange AQI category, which is unhealthy for sensitive groups, in the Twin Cities and central Minnesota

SSTS inspections determine if the design and installation meet code requirements and whether the system is functioning properly to protect public health and groundwater.

Image Air quality is expected to reach the orange AQI category in northeast Minnesota, which is unhealthy for sensitive groups.The Minnesota Pollution…

Areas and communities with SSTS concerns have wastewater treatment methods that are not adequate to protect public health or the environment. Hundreds of small communities around the state have inadequate wastewater systems.

The Small Business Ombudsman is an independent entity responsible for reviewing environmental regulatory activities to ensure that they are fair, reasonable and appropriate for Minnesota's small businesses that have to comply with environmental regulations.

When people think of sources of air pollution, they typically think about buildings with big smokestacks like power plants and factories. Only about a quarter of the air pollution in Minnesota comes…

MagIron LLC proposes to restart a mining and processing facility near Grand Rapids, which will require new air and industrial wastewater permits from the MPCA.

Learn what steps you can take to reduce the pollution from small neighborhood sources.

With 100 days until a law aimed at removing PFAS from consumer products goes into effect, state leaders celebrate three Minnesota-based companies already offering goods made without PFAS.

The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for north central and northeast Minnesota. The alert takes effect at 10 a.m. on Thursday, July 17, and runs until 1 a.m. on Friday, July 18. Air quality is expected to reach the orange AQI category which is unhealthy for sensitive groups.

With the end of the 2025 model year in the automobile industry, so ends Minnesota's Clean Cars rule.  The Clean Cars rule, adopted in 2020, had a goal of electric vehicles exceeding 6% of all…

The Minnesota Pollution Control Agency (MPCA) has extended an air quality alert in the orange AQI category for northeast Minnesota through 7 p.m. on Wednesday, Aug. 6.