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Distribution media include both public domain products like aggregate or drainfield rocks, and proprietary products like expanded polystyrene aggregate and chambers.
The Mississippi River - Grand Rapids Watershed covers 1,3 million acres and contains 1,908 miles of stream/rivers and 552 lakes greater than 10 acres. The watershed drainage comprises parts of the counties of Aitkin, Carlton, Cass, Itasca, and St. Louis.
Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.
Cleveland-Cliffs owns the Minorca Mine northeast of Virginia, Minnesota. The mine’s two taconite mining pits are about one mile southeast of the plant.
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.
The Lake Superior - South Watershed covers 402,371 acres.
Construction and interim feedlot permit forms
The Cedar River Watershed in Minnesota encompasses 454,029 acres in Mower, Freeborn, Dodge, and Steele counties. This watershed covers prime agricultural land with many streams and drainage ditches flowing into the river.
Austin's municipal wastewater treatment plant discharged ammonia and fecal coliform over permitted limits into the Cedar River.
Surface water assessment grants (SWAG) provide local organizations and citizen volunteers with funds to complete the monitoring needed to meet assessment requirements on Minnesota lakes and streams. Assessment is usually the first step in protecting or restoring surface waters.
Recycling materials into new products benefits both our environment and our economy.
Image Although Minnesota is rich in lakes and streams, Lake Superior is easily the most spectacular waterbody in Minnesota. Despite its immense size…
Profile of John Weiss, a volunteer with the MPCA's Volunteer Water Monitoring Program
Nearly all feedlot owners are required to register with the state and update their registration information every four years, unless they have applied for a permit recently. This page includes information about how to register.
Grede Foundry violated the terms of its air permit in 2024, according to a Minnesota Pollution Control Agency investigation.
As part of the PFAS pollution prevention law called Amara’s Law, manufacturers are required to report intentionally added PFAS in products sold in Minnesota and pay a fee. The Minnesota Pollution Control Agency has extended the reporting due date to Sept. 15, 2026.
S.M. Hentges & Sons, a Jordan-based construction company, paid $13,078 for construction stormwater violations for a project in Chaska.
The air emissions breakdown/shutdown notification form is required by rule to prevent endangerment of human health or the environment.
An inspection in 2024 discovered multiple violations at this site in , including failure to conduct testing of tank systems that prevent leaks and corrosion and a broken gauge used in tank leak detection tests.
Unauthorized releases of untreated wastewater in October 2024 and January and February 2025, as well as failure to notify the Minnesota Duty Officer in a timely manner.