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Permit applications must include detailed emissions calculations to help determine which permit type or permit amendment is needed.
One of the most basic forms of air pollution, haze reduces visibility in many cities and scenic areas within the United States. Haze-causing pollutants come from a variety of sources, both natural and man-made, including motor vehicles, electricity generation, industrial facilities, agriculture, and wildfires.
The MPCA has announced that 11 grant recipients will receive a total of $5.3 million for projects that build lasting capacity to support recycling markets in Minnesota.
Studies of Minnesota’s waters show that contaminants of emerging concern are widespread in the state’s lakes and rivers.
Online tool showing Minnesota waters failing to meet one or more water quality standards.
Pollinators are essential to everyday Minnesotans, our economy, and our food production. Learn why these pollinators are so vital through exhibits at this year’s Eco Experience.
Are pets affected by poor air quality? Will wearing a mask help when I’m outside? What is particulate pollution? We’ve got the answers.
The MPCA added three bodies of water to the impaired waters list for PFAS contamination. Which are they? How did they get polluted? And how much PFAS does it take to contaminate a body of water?
Water quality trades that have been arranged in Minnesota illustrate many opportunities to enhance pollution reduction efforts while offering flexibility and cost savings to regulated municipalities and industries.
The MPCA uses the EQuIS database to store and manage monitoring data and associated laboratory results from streams, lakes, groundwater, ambient air, soil, sediment, and gas, collected through MPCA programs and partnerships.
Complying with the MS4 general permit
As part of our commitment to continuous improvement, transparency, certainty, and customer service, the MPCA is improving the way we track and administer permits. These efforts are part of periodical…
Austin's municipal wastewater treatment plant discharged ammonia and fecal coliform over permitted limits into the Cedar River.
To make electric school buses more affordable to school districts, the MPCA started a grant program that puts more of the cleaner buses on routes across the state.
Minnesota samples a network of shallow monitoring wells designed to provide early detection of contamination in the groundwater.
MPCA investigation found stormwater permit violations that occurred during a construction project in 2025, with sediment-laden stormwater entering a stream at a construction site in Chaska.
The MPCA created a statewide inventory of streams that have been hydrologically modified: channelized, ditched, or impounded
MPCA investigation determined that construction sediment was discharged into the Blue Earth River and a county ditch.
Ely Community Resources was recognized for it programs that engage young people in natural resource education and conservation.
The Lower Red River Watershed (also known as the Red River of the North - Tamarac River) drains an area of 281,000 acres, including parts of Kittson, Marshall, and Roseau counties.