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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.
Resources for wastewater clients.
Information for larger feedlot owners on the federal National Pollutant Discharge Elimination System (NPDES) and State Disposal System (SDS) permits for construction and operation permits in Minnesota.
Minnesota participates in this statistical survey of the condition of our nation's lakes, ponds, and reservoirs.
State experts anticipate an active summer for air quality alerts with recurring ozone and wildfire smoke events
Approximately $4.5 million was available to support prevention of wasted food and food rescue projects across the state.
Study funded by the $850 million settlement that Minnesota reached with 3M in 2018 focused on the area served by the Valley Branch Watershed District’s Project 1007 rainwater conveyance system in the East Metro.
Learn about environmental regulations that may apply to your business. It is not an exhaustive list, so other regulations may apply.
Proposed changes to permits that regulate the state’s largest animal feedlots target nitrate pollution statewide.
Environmental information and permits that affect businesses using stationary engines or generators.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
Gas-powered landscaping and snow removal equipment is bad for the environment. Battery-powered equipment has a lot of benefits.
Image Many commercial buildings in Anoka, Carver, Dakota, Hennepin, Ramsey, Scott, and Washington counties are required to recycle at least three of the…
The MPCA works with partners throughout Minnesota each year to gauge the health of waters and identify stressors that harm fish and other aquatic life.
Registration form for service providers operating in Minnesota as a part of the state’s Packaging Waste and Cost Reduction Act.
Prevent costly sewer clogs by keeping grease out of sinks and by not flushing disposable wipes.
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for all of Minnesota. The alert runs until noon on Monday, Aug. 4. Fine particle levels are expected to reach the red air quality index (AQI) category, a level considered unhealthy for everyone, in all of Minnesota,
The MPCA has developed best practices for vapor intrusion mitigation and public communication work used by the agencies and our contractors.
In Minnesota, about 18,000 regulated underground storage tanks (UST) are in use. State rules specify requirements for underground storage tanks (UST) that store petroleum or hazardous substances, and any piping or other structures that are part of the tank systems.
If you're new to the septic system world at the county level, or even if you've been in the job for a while, MPCA offers videos and companion documents to provide valuable background and insights.