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The MPCA issued the most recent municipal stormwater general permit (MNR040000) in November 2020.
MPCA keeps its public data easily accessible for convenient use.
The Minnesota Pollution Control Agency is committed to ensuring that every Minnesotan has healthy air, sustainable lands, clean water, and a better climate.
Complying with the MS4 general permit
Prior to submitting this form, please verify that the information you are requesting is not already available on the Minnesota Pollution Control Agency science and data page.Requester informationThe…
What is "What's in my neighborhood?"What's in my neighborhood provides a wide variety of environmental information about your community.Search for:properties that were previously contaminated and…
The general permits related to wastewater in Minnesota.
A legacy of trichloroethylene disposal at the General Mills/Henkel Corp. Superfund Site at 2010 East Hennepin created an area of groundwater contamination that has led to vapors traveling upward through the soil, where it can enter houses and buildings.
Minnesota has 80 major watersheds, each defined by rivers, streams, lakes and wetlands.
To obtain coverage under this permit, the owner(s) must document compliance with the criteria for coverage under this general permit, prior to disposal of the uncontaminated concrete.
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.
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.
General permit intended for facilities using processes including abrasive blasting, brazing, catalytic or thermal oxidizers, dip tanks, injection molding, resin and gel coating, spraying and coating activities, and welding.
Learn what steps you can take to reduce the pollution from small neighborhood sources.
What is the blue-green scum that looks like spilled paint?In lakes that are over-enriched with phosphorus and nitrogen, algae tend to prosper and create algae blooms. Blue-green algae and one type in…
With all the talk about health these days, consider the health of the soil beneath your feet. Farmers in western Minnesota are doing just that, teaming up to improve soil health.
Resources for wastewater clients.
MPCA rules govern how septic systems are designed, installed, and managed in Minnesota.
Organics recycling reduces greenhouse gas emissions and keeps waste out of landfills. MPCA answers commonly asked questions about how and why to participate in organics recycling programs.
This permit aims to reduce phosphorus discharged by point sources to the Minnesota River Basin. This webpage contains links to the permit and its associated forms and fact sheets.