Search

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

From shorter winter ice seasons to shifting fish populations, climate change is transforming Minnesota lakes as we know them.

In Minnesota, commercial entities that produce any amount of hazardous waste are regulated as hazardous-waste "generators."

Answers to common questions about the Construction Stormwater Permit application

The health of Minnesota's large rivers is a reflection of how well we are protecting overall water quality.

In karst landscapes, the distinction between groundwater and surface water is blurry.

Minnesota’s greenhouse gas (GHG) emissions dropped by 14% between 2005 and 2022, according to a biennial report from the Minnesota Pollution Control Agency (MPCA) and Minnesota Department of Commerce

The AQI was developed to provide a simple, uniform way to report daily air quality conditions.

State agencies, counties, municipalities, nonprofit organizations, and many others are engaged in protecting Minnesota lakes.

Environmental information and resources for the biochar industry.

Conditionally exempt facilities do not need an air quality permit if they follow specific requirements.

What is a stormwater catch basin, and should I be worried about it?

This watershed is located in the southeastern tip of Minnesota, known for its scenic bluffs. More than 900,000 acres drain to the Mississippi River at Reno, Minn., but only 117,000 of those acres are in Minnesota.

State will begin engagement next month on an updated framework set to be released in 2025

Warming temperatures and increased rains caused by climate change continue to have real impacts on farms across Minnesota. Our agriculture industry will also play an important role in reducing the amount climate change causing pollution we produce as a state.

A gateway to common regulatory information that affects stationary engines.

It's Septic Smart Week and Minnesota local governments are reporting significant progress in fixing inadequate septic systems around the state.

The Rainy River - Rainy Lake Watershed covers 583,791 acres. Open water makes up 75,815 of those acres and wetlands occupy another 84,851 acres. The watershed is 64% in St. Louis County and 36% in Koochiching County. The northern boundary is part of the international border waters with Ontario, Canada.

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.

Forms and guidance for local partners submitting surface water data, QA/QC information and progress reports to MPCA.