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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 Shell Rock River begins at Albert Lea Lake in Freeborn County in south-central Minnesota, a few miles from the Iowa border. It flows 113 miles into Iowa, where it enters the Cedar River. In Minnesota, the Shell Rock drains 246 square miles (160,000 acres), all in Freeborn County.
The MPCA certifies Minnesota municipal, government, or industrial laboratories that are used to comply with National Pollution Discharge Elimination System (NPDES)/State Disposal System (SDS) permits or for water quality work for agency programs.
Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.
Chrome-plating facility in St. Louis Park is the alleged source of pollution in local lakes.
MPCA’s community air monitoring pilot grant program will provide $4.85 million to build more networks of community air sensors in the Twin Cities metro area.
The amount of hazardous waste you generate will dictate your waste generator status.
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.
Requirements for discharges from a project site and/or management control site(s).
We Are Water next visits Ely April 24 through June 16.
Dentists in Minnesota must meet federal and state requirements to limit the amount of mercury in their wastewater.
In most of Minnesota’s livestock-dense counties, feedlot oversight is a cooperative effort between the MPCA and county government.
The StormReady designation recognizes the MPCA’s commitment to emergency management planning and continuity of operations during an emergency.
Standard operating procedures (SOPs) reflect how agency staff and contracted partners complete agency-funded field activities.
From shorter winter ice seasons to shifting fish populations, climate change is transforming Minnesota lakes as we know them.
Environmental information and permits that affect grain elevators, feed mills and fertilizer mixing plants.
Petroleum spills from pipelines, trains, trucks, storage tanks, and other sources have damaged natural resources throughout Minnesota.
A legacy of trichloroethylene disposal at the General Mills/Henkel Corp. Superfund Site at 2010 East Hennepin created an area of groundwater contamination that has led to vapors traveling upward through the soil, where it can enter houses and buildings.
The 2026 Climate Action Framework prioritizes reducing greenhouse gas emissions and protecting Minnesotans
The Lower Rainy River Watershed is composed of a conglomeration of tributaries to the Rainy River, from International Falls and west to the Rainy River's pour point at the Lake of the Woods.