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Controlling phosphorus is an important part of protecting Minnesota waters.

The TMDL is based on 62 impairments for turbidity and total suspended solids along the Minnesota River and its tributaries and in the Greater Blue Earth River basin.

Resources for wastewater clients.

3M will use an advanced wastewater treatment system to remove per- and polyfluoroalkyl substances (PFAS) from its Chemical Operations facility in Cottage Grove.

Initial screening information for a contaminant of emerging concern, perfluorooctane sulfonate.

Governor Walz appointed Katrina Kessler as MPCA commissioner effective November 1. Kessler has been serving as an assistant commissioner.

The Chippewa River Watershed covers 2,085 square miles and drains portions of eight counties in west central Minnesota.

Permit addresses the most common causes of contaminated groundwater, including releases of petroleum, volatile organic compounds, and other hazardous substances.

Initial screening information for a contaminant of emerging concern, Perfluorohexane sulfonic acid.

The fines stem from a release of sediment-laden water into a county ditch, and subsequent failures to notify, repair, and report on the incident.

This year’s theme is Advancing Nutrient Trading with Sustainable Farming and Conservation Practices.

A series of new culverts in Lake County reconnect brook trout habitat and provide resilience to climate change for area roads.

MPCA's fish sampling process and why we do it

Northshore Mining Company has applied for updated wastewater and air quality permits for its Silver Bay taconite processing plant and Mile Post 7 tailings basin.

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.

Financial assistance for SSTS work is targeted to units of local government.

The MPCA is committed to engaging broadly with the public and ensuring that residents affected by its decisions have a voice in its processes.

Long-term lake management considers the unique environmental, cultural, and biological factors affecting the lake and sets a priority on finding lasting solutions.

While hundreds of fish kills occur in Minnesota every year, mostly in lakes and ponds, fish kills on trout streams in southeast Minnesota are much less common.

In most of Minnesota’s livestock-dense counties, feedlot oversight is a cooperative effort between the MPCA and county government.