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The MPCA monitors water quality in rivers and streams is several different ways around the state.
The Minnesota Pollution Control Agency has developed an updated draft air permit for Northshore Mining’s Peter Mitchell Mine in Babbitt that would control fugitive dust and particulate matter leaving the facility.
Each year, MPCA hires seasonal positions to assist with biological monitoring of streams and wetlands during the summer months.
Guidance for MPCA contractor and subcontractors
Prevent costly sewer clogs by keeping grease out of sinks and by not flushing disposable wipes.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
The Otter Tail River Watershed encompasses three different ecoregions, covering more than 1.2 million acres in west-central Minnesota.
Wastewater treatment and disposal are important for protecting and preserving Minnesota's water resources. MPCA regulates wastewater treatment activities in Minnesota.
The capped emission permit is designed for non-complex facilities that do not require site-specific permit conditions.
Find out what’s being done in Minnesota’s watersheds to protect and improve water quality.
The MPCA completed 75 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2024.
The Minnesota State Implementation Plan (SIP) is focused on the six criteria air pollutants regulated by national ambient air quality standards (NAAQS): ground-level ozone, fine particles, lead, nitrogen dioxide, carbon monoxide, and sulfur dioxide.
The MPCA plans to amend Minnesota Rules chapter 7152 on the Minnesota Dry Cleaner Reimbursement Account to ensure consistency and compliance with state statutes and rules by updating the reimbursement rates for consultant and contractor services for environmental response action costs.
Minnesota’s biosolids PFAS strategy requires all biosolids intended for land application be tested for PFAS before use and response actions based on sample results.
Determine what type(s) of water quality permit is required at facilities that mine construction sand and gravel; industrial sand; quarry limestone, granite or dimension stone; operate hot mix asphalt production areas; produce concrete block, brick and other products; and/or produce ready-mix concrete.
Every two years, MPCA creates a list of impaired waters in the state that do not meet water quality standards.
Batteries aren’t trash, they’re treasure: Recycling old batteries gives their materials a new life. Visit CollectED's new, carnival-style interactive exhibit at MPCA's Eco Experience at the Minnesota State Fair to learn more about batteries.
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.
State will begin engagement next month on an updated framework set to be released in 2025
Permit applications must include detailed emissions calculations to help determine which permit type or permit amendment is needed.