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The MPCA studies, monitors, and regulates water pollutants to protect human health and the environment. Minnesota water quality standards strives to protect water for use, measures health of waters, and guides limits on what regulated facilities can discharge to surface waters.
Solid waste facilities may close or terminate their permit depending on the solid waste activities occurring at the site.
Planned amendments to Minn. Rules ch. 7050 affect the Class 1 beneficial use, which protects waters (both surface and groundwater) used as a source for domestic consumption.
The MPCA completed 78 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2025, for a total of 146 for the year.
An air emission permit is a legal document that describes how a facility must operate to meet state and federal air regulations, and to minimize the impact of air emissions on people and the…
One indicator of impairment that puts a stream on the Impaired Waters List is its macroinvertebrate population. Here's how that works.
Under the new EPR program, Minnesota is phasing out all product packaging sold in our state that is not refillable, reusable, recyclable, or compostable by 2032.
MPCA evaluates water quality by measuring and monitoring the health of fish, macroinvertebrates, and plants.
Wild rice is an important part of the biological community in many Minnesota lakes, streams, and wetlands, and a cultural resource to many, particularly members of the Dakota and Ojibwe Tribal Nations in Minnesota.
The Lower St. Croix Watershed covers 585,735 acres and is located in northwest Wisconsin and east-central Minnesota.
The MPCA sought applications from contractors to partner with auto repair shops, dealerships, tech colleges or other entities to identify and fix high-emitting vehicles.
Does it seems like the number of alerts due to wildfires has increased in the past few years? We’ve had 46 air-quality alerts since 2015—34 of those due to wildfire smoke.
The MPCA has announced eight grant recipients that will receive a total of over $1 million in grants for projects focused on waste reduction and reuse. These statewide efforts will reduce greenhouse gas emissions and other pollutants, reduce the demand for resources, and reduce the amount of waste sent to landfills.
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.
The MPCA is leading multiple initiatives to reduce greenhouse gas emissions from the transportation sector.
Minnesota businesses, organizations, and municipalities seeking or holding MPCA wastewater permits are charged two basic types of permit fees: application fees and annual fees.
Residents' guide to stormwater permitting.
The MPCA completed 75 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2024.
MPCA permits are required for construction, modification, and operation of facilities where solid waste is treated, stored, processed, transferred, or disposed.
The MPCA regulates waste, recycling, and disposal activities in Minnesota. MPCA permits are required for the design, construction, and operation of solid waste management facilities where storage, collection, transportation, processing or reuse, conversion, or disposal of solid waste occurs.