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We Are Water MN travels to Chisago County, where Dawn White has served as an educator and policy team member focused on preserving waters.
Countless bacteria can be found in land, water, humans, and animals. Most bacteria are beneficial, serving as food for larger organisms and playing critical roles in natural processes such as organic…
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…
An air emission permit is a legal document that describes how a facility must operate to meet state and federal air regulations, and to minimize the impact of air emissions on people and the…
The MPCA regulates both underground and aboveground commercial storage tanks above a certain size that hold petroleum or hazardous liquids.
Conditionally exempt facilities do not need an air quality permit if they follow specific requirements.
Partnerships and diversified funding drive the work to restore water quality in impaired streams in the Red Lake River Watershed through science-based interventions.
Implementing water quality standards come with tangible costs and benefits. Costs such as taxes to residents, regulated parties, and communities help achieve benefits such as increased property values, tourism, and protecting human health.
A watershed is the area of land where all of the water that drains off of it goes into the same place — a river, stream or lake.
To help you quickly determine whether this permit affects you, what your requirements are, and what to do next, the MPCA has developed an Applicability flow chart
Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.
Create an editable spreadsheet with the information indicated below. Each step in your calculations needs to be clear and easy to follow.Facility informationProvide the facility ID, file number, and…
Important details to help make your e-Service submittal go as smoothly as possible.
Minnesota rules require many facilities that produce air emissions to conduct performance testing.
Environmental information and resources for the aggregate industry.
BMPs required to manage the slurry to comply with Minnesota statute and agency rules to protect water quality.
This webpage will not only address potential noncompliance issues for air permittees, but it will help inspectors get all of the necessary information to facilities with one link.
“Area C” is the name given to Ford Motor Company’s former industrial waste dump on the floodplain of the Mississippi River, at the base of the bluff below the former Twin Cities Assembly Plant in Saint Paul.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
Important details to help make your e-Service administrative submittal go as smoothly as possible.