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Ready-to-run meteorological data suitable for AERMOD.
Disposing of wastes from a natural disaster or large fire
The Lake Superior - North Watershed covers over 1 million acres in the Northern Lakes and Forest ecoregion.
Completed rulemaking for changes to reporting requirements for hazardous air pollutants (HAPs).
This page provides assistance for local units of government with development and implementation of their SSTS program.
What to consider when cold weather has you looking into home weatherization projects
Elk River Landfill, Inc. proposes to expand its existing municipal solid waste (MSW) landfill near Elk River.
The MPCA regulates the design, construction, and operation of treatment facilities for municipal and industrial wastewater in Minnesota.
Details for solid waste management facility permit issuance and reissuance.
Sanimax USA LLC failed to seek a required major air permit amendment and conduct air emissions modeling prior to making changes to its pollution control equipment systems in 2019 at its animal products rendering facility in South St. Paul, Minnesota.
The MPCA, Dakota County, and the Minnesota Department of Health will jointly host two community meetings about a recent event at Gopher Resource in Eagan.
This year’s forum will focus on ways to reduce nitrogen in Minnesota’s water, and ways that agricultural and urban partners are working together to improve water quality.
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
In rules, an incorporation by reference states that the contents of another document are part of the rule, even though the text of the referenced document does not appear in the rule itself.
Nearly nine in 10 Minnesota communities have reported experiencing the impact of at least one weather trend caused by climate change, and few cities have defined plans to address it.
POET Biorefining-Glenville LLC violated several air permit conditions between 2018 and 2023 at its ethanol production facility in Albert Lea, Minn. The facility emitting more particulate matter and volatile organic compounds than allowed by permit over the course of five years.
The Nemadji River Watershed spans the Minnesota-Wisconsin border and covers nearly 1.2 million acres.
$4.85 million to run community air monitoring projects in the 7-county Metropolitan Area (counties of Anoka, Carver, Dakota, Hennepin, Ramsey, Scott, and Washington).
Removing Middle Lake from the impaired waters list required wrangling with a bottom feeder, the invasive carp.
The MPCA has important roles in protecting and restoring waters in degraded conditions.