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From the days when raw sewage flowed into rivers and lakes, Minnesota’s water bodies have come a long way. However, there is still work to be done in the restoration and protection of our waters.
Minnesota state agencies and local governments are working together to protect drinking water supplies.
Status of total maximum daily load (TMDL) projects in Minnesota.
A training and certification program for evaluating aquatic life in Minnesota’s rivers and streams.
MPCA evaluates water quality by measuring and monitoring the health of fish, macroinvertebrates, and plants.
MPCA's Closed Landfill Program is a voluntary program established in 1994 to properly close, monitor, and maintain Minnesota's closed municipal sanitary landfills.
The MPCA provides climate change technical assistance to Minnesotan, including one-on-one consultation or small group facilitation, to assess current capacity, build on strengths, and address underlying needs.
Green and safer product chemistry is formulating or designing a new product (or reformulating an existing one) to reduce harmful environmental, workplace, human health, and energy use effects over the product's entire life cycle.
Partnerships and diversified funding drive the work to restore water quality in impaired streams in the Red Lake River Watershed through science-based interventions.
A series of new culverts in Lake County reconnect brook trout habitat and provide resilience to climate change for area roads.
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
Product stewardship encourages manufacturers, retailers, and consumers to treat products as resources rather than waste, changing how they think about the products they make, buy, and use.
Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.
Important details to help make your e-Service submittal go as smoothly as possible.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
The MPCA completed 75 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2024.
The MPCA closed 118 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2023.
MPCA completed 100 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the first half of 2024