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Per- and polyfluoroalkyl substances (PFAS) are a group of thousands of human-made chemicals that do not break down over time. PFAS are sometimes called “forever chemicals” due to their extreme…

A TMDL addressing excess bacteria in 22 stream reaches and protection strategies for 29 stream and river reaches in the Upper Mississippi River watershed.

July is Lakes Appreciation Month! If you love Minnesota lakes and want to help protect them, sign up to be a volunteer water monitor for the MPCA.

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.

Minnesota Agricultural Water Quality certified farms have added more than 2,000 new conservation practices, including over 110,000 acres of new cover crops that protect Minnesota’s waters.

Improving water quality in Lake George has required treating phosphorus in the water and filtering pollutants out of urban stormwater.

Leak has not left facility site or contaminated drinking water sources

The Minnesota River - Yellow Medicine River watershed (1.3 million acres) has traditionally been managed as two separate watersheds, the Hawk Creek watershed to the north of the Minnesota River and the Yellow Medicine River watershed to the south.

The U.S. EPA approved Minnesota's Statewide Mercury Total Maximum Daily Load study in March 2007.

Increased rainfall from climate change damages river water quality, which in turn damages fishing and recreation.

Minnesota rivers are shrinking in the drought; some have their lowest flows in decades. What will be the long term effects?

What is a stormwater catch basin, and should I be worried about it?

Find out what’s being done in Minnesota’s watersheds to protect and improve water quality.

New reports from the MPCA highlight restoration investments and improved water quality while calling for continued work to address persistent challenges in southeastern Minnesota.

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.

MPCA and the Minnesota Department of Health continue to sample private residential wells, municipal wells, and non-community public wells (e.g., small businesses, churches, schools) in the East Metro area for per- and polyfluoroalkyl substances (PFAS)

New MPCA report cites work by local partners for water quality improvements.

Allows new and expanding wastewater treatment facilities to receive a discharge permit prior to completion of an applicable phosphorus-related TMDL. Through pre-TMDL phosphorus trading a, a new or expanding facility may increase its phosphorus discharge by purchasing a phosphorus reduction from another source.

In rules, an incorporation by reference states that the contents of another document are part of the rule, even though the text of the referenced document does not appear in the rule itself.

The MPCA monitors water quality in rivers and streams is several different ways around the state.