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Minnesota water infrastructure projects in St. Cloud and Pipestone garner EPA’s top awards for innovation, excellence in protecting environment, health.
The Legislature has given the MPCA the authority to develop rules to protect state environmental resources.
Septic system owners are responsible for system maintenance. Properly maintaining a septic system will extend its life.
SSTS staff contact information and areas of responsibility.
The MPCA certifies Minnesota municipal, government, or industrial laboratories that are used to comply with National Pollution Discharge Elimination System (NPDES)/State Disposal System (SDS) permits or for water quality work for agency programs.
The chemical 1,4-dioxane, a likely carcinogen, was found in private wells near Bunker Lake Blvd. and Crosstown Blvd.
MagIron LLC proposes to restart a mining and processing facility near Grand Rapids, which will require new air and industrial wastewater permits from the MPCA.
Biosolids that will be applied to land must meet strict regulations and quality standards.
From January through March 2025, MPCA air monitoring data showed elevated lead levels that exceeded national ambient air quality standards near the facility. An MPCA inspection of Gopher Resource in spring 2025 confirmed that the source of the elevated lead levels was addressed.
Permit applications must include detailed emissions calculations to help determine which permit type or permit amendment is needed.
Chloride is a problem for wastewater facilities and stormwater permittees.
How to prepare recycling for the curb
The MPCA is collaborating with many federal, Tribal, state, and local partners to clean up contaminated sites in the Duluth harbor and St. Louis River.
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.
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.
Answers to common questions about the Construction Stormwater Permit application
Training resources for feedlot officers in Minnesota.
The MPCA issued the most recent municipal stormwater general permit (MNR040000) in November 2020.
The StormReady designation recognizes the MPCA’s commitment to emergency management planning and continuity of operations during an emergency.
Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.