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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
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.
The new commercial organics collection will service a 20- to 30-stop route across both Hubbard and Beltrami counties.
Some pollutants attach to suspended particles in the water and subsequently settle out to the bottom sediment. At elevated concentrations, contaminated sediments can contribute to fish…
Perchloroethylene or tetrachloroethylene (PCE or Perc) is chlorinated solvent used in a variety of processes as a solvent and degreaser. When released in the environment, some PCE will evaporate…
In 2010, the MPCA began receiving public inquiries about projects to mine silica sand for use in hydraulic fracturing, or “fracking,” a drilling method used for natural gas and oil wells.
Sandblasted material from a construction site was deposited on a parking ramp next door.
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.
Environmental information and resources for the biochar industry.
The fines stem from a release of sediment-laden water into a county ditch, and subsequent failures to notify, repair, and report on the incident.
The Army has proposed a plan for cleaning up contaminated sediment in Round Lake, located within the Twin Cities Army Ammunition Plant (TCAAP) site.
Addressing excess nutrient levels in Lake Pepin based on the site-specific water quality eutrophication criteria for the lake developed by the MPCA.
A waste tire transporter removes waste tires from a waste tire generator, tire dump, or waste tire facility and delivers the waste tires for aggregation, storage, or processing.
MPCA investigation confirms discharges sediment-laden water into the Long Prairie River, in addition to other violations, during construction of CSAH 56 & 38.
Reusing and recycling materials from construction and demolition (C&D) can help address pressing disposal and contamination issues in Minnesota, and have significant economic and environmental benefits.
Designing stormwater systems to handle the challenges of climate change differs in every community across the state. Here’s how one community is meeting that challenge
The Minnesota Pollution Control Agency has developed a draft air permit for MagIron LLC in Coleraine that will require a fugitive dust control plan to help reduce emissions of particulate matter from roads, storage, stockpiles, and exposed mining areas.
For related studies and Technical Advisory Team meeting notes, visit this document sharing site.
“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.
The Cloquet River Watershed covers approximately 507,858 acres (794 square miles) and is located within portions of Lake and St. Louis Counties in northeastern Minnesota.