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Increasing organics collection and processing infrastructure is necessary to meet statewide recycling goals
Central Bi-Products emitted higher levels of hydrogen sulfide than is allowed, causing odor complaints in the community of Long Prairie and resulting in a $3 million fine. Central Bi-Products has agreed to spend a minimum of $4.4 million on a supplemental environmental project that will improve its wastewater treatment.
The MPCA regulates most aspects of livestock management including the location, design, construction, operation, and management of feedlots and manure-handling facilities.
Abdirahman Hassan Abdirahman Hassan’s story begins in Mombasa, Kenya, a coastal city where the presence of the Indian Ocean was a childhood highlight. “I grew up…
The MPCA has developed best practices for vapor intrusion mitigation and public communication work used by the agencies and our contractors.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
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.
Chloride is a problem for wastewater facilities and stormwater permittees.
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.
Minnesota state agencies and local governments are working together to protect drinking water supplies.
Minnesota has revised state water quality standards to incorporate a tiered aquatic life use (TALU) framework for rivers and streams.
Guidance on NPDES/SDS construction stormwater requirements
Image Aboveground storage tank (AST) requirements are found in Minnesota Rules, Chapter 7151. In general:new tanks and piping must be designed to…
Create an editable spreadsheet with the information indicated below. Each step in your calculations needs to be clear and easy to follow.Facility informationProvide the facility information listed on…
An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.
Permit applications must include detailed emissions calculations to help determine which permit type or permit amendment is needed.
The Mississippi River - Lake Pepin Watershed includes 205,747 acres that drain several small, coldwater streams in bedrock-dominated bluff country.
Under the federal Clean Water Act, states must designate beneficial uses for all waters and develop water quality standards to protect each use.
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.
Status of total maximum daily load (TMDL) projects in Minnesota.