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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.
The Minnesota River - Yellow Medicine River Watershed (1.3 million acres) has traditionally been managed as two separate watersheds, the Hawk Creek Watershed to the north of the Minnesota River and the Yellow Medicine River Watershed to the south.
Implementing water quality standards come with tangible costs and benefits. Costs such as taxes to residents, regulated parties, and communities help achieve benefits such as increased property values, tourism, and protecting human health.
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
The 2025 MPCA annual report on Brownfields celebrated numerous major achievements cleaning up and rehabilitating polluted properties.
Air quality is expected to reach the red AQI category across all of Minnesota, which is unhealthy for everyone.The Minnesota Pollution Control Agency (MPCA) has…
This webpage will not only address potential noncompliance issues for air permittees, but it will help inspectors get all of the necessary information to facilities with one link.
A cumulative impacts analysis provides a comprehensive look at all burdens that affect a community or neighborhood.
The MPCA issued the most recent municipal stormwater general permit (MNR040000) in November 2020.
“Area C” is the name given to Ford Motor Company’s former industrial waste dump on the floodplain of the Mississippi River, at the base of the bluff below the former Twin Cities Assembly Plant in Saint Paul.
Cleaner water is taking hold across Minnesota this Earth Day as farmers and communities scale up solutions that protect rivers, strengthen soil, and build resilience from headwaters to downstream lakes.
Emissions generated from gasoline and diesel powered vehicles are the greatest source of air pollution in Minnesota
The Lower Rainy River Watershed is composed of a conglomeration of tributaries to the Rainy River, from International Falls and west to the Rainy River's pour point at the Lake of the Woods.
A waste is any material that can no longer be used for its original intended purpose. The type of waste generated can include recyclables, solid waste, and hazardous wastes, which may be subject to specific management and disposal requirements.
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.
Clean Water Fund dollars come from the Clean Water, Land and Legacy Amendment that Minnesotans approved in 2008.
Information about the work to clean up the pollution from over 100 years of unregulated development and industrial practices.
In Minnesota, wastewater treatment operators must be certified to ensure that facilities meet operational requirements.
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for north and central Minnesota. The alert runs until 11 p.m. on Wednesday, July 30. Fine particle levels are expected to reach the red air quality index (AQI) category, a level considered unhealthy for everyone, across north central, northwest, northeast, and east central Minnesota, and the orange AQI category, a level considered unhealthy for sensitive groups, across central, east central, west central, north central, and northwest Minnesota.
Approximately $4.5 million was available to support prevention of wasted food and food rescue projects across the state.