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Wild rice is an important part of the biological community in many Minnesota lakes, streams, and wetlands, and a cultural resource to many, particularly members of the Dakota and Ojibwe Tribal Nations in Minnesota.
Minnesota has revised state water quality standards to incorporate a tiered aquatic life use (TALU) framework for rivers and streams.
Recycling materials into new products benefits both our environment and our economy.
From 2023-2025, Northshore Mining released recycled water to the ground seven times and water relating to mining processes four times. Its largest unpermitted release was nearly 400,000 gallons of recycled water. Northshore Mining has documented equipment failure as the reason for the 11 releases.
Status of total maximum daily load (TMDL) projects in Minnesota.
A waste tire transporter removes waste tires from a waste tire generator, tire dump, or waste tire facility and delivers the waste tires for aggregation, storage, or processing.
The Minnesota Pollution Control Agency (MPCA) does not discriminate on the basis of race, color, national origin, disability, age, or sex in administration of its programs or activities, and, MPCA does not intimidate or retaliate against any individual or group because they have exercised their rights to participate in actions protected, or oppose actions prohibited, by 40 C.F.R. Parts 5 and 7, or for the purpose of interfering with such rights.
MPCA and MDH statement on the U.S. EPA's maximum contaminant levels for PFAS in drinking water.
The MPCA and its many partners collect a wide variety of data on environmental conditions and pollution sources.
Forms, guidance, and assistance to apply for an air quality permit.
It's Septic Smart Week and Minnesota local governments are reporting significant progress in fixing inadequate septic systems around the state.
The MPCA proposes adding 46 new impaired bodies of water and removing 45 impairments from bodies of water from the IWL, the most removals in a two-year cycle since the state began the IWL program in 1992.
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.
Standard operating procedures (SOPs) reflect how agency staff and contracted partners complete agency-funded field activities.
This year’s theme is Advancing Nutrient Trading with Sustainable Farming and Conservation Practices.
This year’s forum will focus on ways to reduce nitrogen in Minnesota’s water, and ways that agricultural and urban partners are working together to improve water quality.
The MPCA has released the draft 2025 Minnesota Nutrient Reduction Strategy for public review and comment.
The MPCA works with industry, government, and residents to reduce and manage waste.
MPCA rules govern how septic systems are designed, installed, and managed.
Under the federal Clean Water Act, states must designate beneficial uses for all waters and develop water quality standards to protect each use.