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Under the federal Clean Water Act, states must designate beneficial uses for all waters and develop water quality standards to protect each use.
Owners/operators of construction activity must complete several steps before completing a permit application and beginning construction. These steps also help owners/operators determine their eligibility for coverage under the general permit.
Projects will reduce the amount of waste entering landfills, benefiting the environment and local economies.
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.
State and community leaders visited Faribault and Northfield to observe Minnesota climate resiliency efforts in action.
Minnesota law requires that people notify the MPCA (through the Minnesota Duty Officer) immediately when more than five gallons of petroleum or any amount of any substance under their control is released into the environment that could cause pollution of waters of the state.
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.
Our climate has already changed and will continue to change. Minnesotans are feeling impacts of climate change, from higher temperatures, more extreme storms with intense flooding, and changes in our…
Feedlot nutrient and manure management
Permit 2025 Multi-Sector General Permit for Industrial Stormwater (wq-strm3-102g) Effective June 1, 2025 Updates and new…
MPCA and the Minnesota Department of Health continue to sample private residential wells, municipal wells, and non-community public wells (e.g., small businesses, churches, schools) in the East Metro area for per- and polyfluoroalkyl substances (PFAS)
Studies of Minnesota’s waters show that contaminants of emerging concern are widespread in the state’s lakes and rivers.
The MPCA has announced five grant recipients who will receive a combined total of more than $1 million in grants for projects to increase the efficiency and effectiveness of waste reduction, reuse, recycling, and composting efforts in Greater Minnesota communities.
Based on volume, construction and demolition debris presents a big opportunity for reducing waste and its environmental effects.
Financial assistance for assessment and clean up of contaminated sites in Minnesota.
Minnesota GreenCorps member Heidi Blum focused on waste reduction and recycling in Edina, Minnesota.
MPCA completed 100 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the first half of 2024
Chemicals in the air toxics emission inventory.
MPCA established a network of long-term biological monitoring stations that represent a variety of stream types in their most natural condition.
All distribution media products must be registered with the MPCA.