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The MPCA issued the most recent municipal stormwater general permit (MNR040000) in November 2020.
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.
MPCA had approximately $250,000 available to reduce emissions of volatile organic compounds (VOCs) through the use of stage 1 vapor recovery systems at gasoline-dispensing facilities throughout Minnesota.
Minnesota has a growing salty water problem that threatens its freshwater fish and other aquatic life. Chloride from both de-icing salt and water softener salt gets into lakes and streams, and…
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
Image Aboveground storage tank (AST) requirements are found in Minnesota Rules, Chapter 7151. In general:new tanks and piping must be designed to…
Details on sampling and monitoring requirements of your industrial stormwater permit.
Clean heavy-duty off-road equipment grants fund the replacement of older, more polluting diesel equipment with newer, cleaner technology.
Status of total maximum daily load (TMDL) projects in Minnesota.
AccessibilityThe Minnesota Pollution Control Agency is committed to accessibility on its website. As part of that commitment, the MPCA makes every effort to comply with the State of Minnesota…
The Mississippi River - Lake Pepin Watershed includes 205,747 acres that drain several small, coldwater streams in bedrock-dominated bluff country.
The MPCA closed 118 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2023.
The MPCA recognized 236 wastewater facilities for outstanding operations in 2024.
MPCA recognized 253 municipal and industrial wastewater treatment plants for outstanding operations in 2023.