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An index of biological integrity (IBI) is a particularly powerful tool that provides an accurate measure of the condition of the biological communities and are a direct determinant of the attainment of aquatic life uses.
The AQI was developed to provide a simple, uniform way to report daily air quality conditions.
The MPCA is committed to engaging broadly with the public and ensuring that residents affected by its decisions have a voice in its processes.
Public input is critical to the work that we do. We invite that input by soliciting comments on agency decisions, holding public informational meetings, and more.
Karst near Oxbow Park and Zollman Zoo, host of the We Are Water MN traveling exhibit. Phil George, who lives in rural Byron, Minnesota, has always felt a deep…
The MPCA is committed to delivering a pollution reduction program that benefits all Minnesotans and works diligently to incorporate their ideas and opinions into our projects and plans. To develop…
Collaboration and engagement have been keys to progress in the St. Louis River AOC.
The MPCA has released the draft 2025 Minnesota Nutrient Reduction Strategy for public review and comment.
MPCA is opening the rule that regulates about 17,000 animal feedlots.
The Minnesota Pollution Control Agency (MPCA) will host a public meeting to present information and hear comments on the environmental assessment worksheet (EAW) and feedlot permit for a proposed…
Question and answer session with Lisa Weidemann, a community affairs specialist with the MPCA, about her work with the agency.
General Waste and Recycling, LLC plans to convert approximately 19 acres of permitted industrial solid waste space in Itasca County so that it can accept nearly 100,000 cubic yards of municipal solid waste (MSW) per year.
Elk River Landfill, Inc. proposes a northward expansion of its landfill into Livonia Township.
The MPCA invites the public and manufacturers to provide comments on the reporting and fees rule for products containing PFAS.
The Clean Water Council was created to advise the Legislature and the Governor on the administration and implementation of the 2006 Clean Water Legacy Act
A water quality variance is a temporary change in a state's water quality standard for a specific pollutant and its relevant criteria, allowing deviation from meeting a water quality-based effluent limit for a particular discharger.
The MPCA plans to amend Minnesota Rules chapter 7050, which establishes beneficial uses and water quality standards to protect those uses, and designates where the uses occur in waters of the state.
The Minnesota Pollution Control Agency is planning amendments to rules governing water quality fees (Minn. R. ch. 7002 and 7083).
Planned amendments to Minn. Rules ch. 7050 affect the Class 1 beneficial use, which protects waters (both surface and groundwater) used as a source for domestic consumption.
Standard operating procedures (SOPs) reflect how agency staff and contracted partners complete agency-funded field activities.