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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.

When temperatures climb and the summer sun beats down, conditions are ripe for Minnesota lakes to produce harmful algae blooms, some of which can be harmful to pets and humans.

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.

Underground storage tank (UST) facilities must designate owners, operators, or employees as Class A, Class B, and Class C operators.

Businesses with low levels of actual emissions can submit a simplified permit application and obtain a registration permit, with greater flexibility to make changes as long as they continue to maintain permit requirements.

Answers to common questions about the Construction Stormwater Permit application

Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.

Training resources for feedlot officers in Minnesota.

The MPCA’s Smart Salting program helps cut down on chloride pollution by training snowplow drivers and municipalities to use less salt on the roadways.

A stormwater system upgrade in Duluth was expanded with the help of an MPCA employee who tapped into available funding. It protects Lake Superior and can serve as an example for other cities and counties.

1,4-dioxane was mainly used as a stabilizer for chlorinated solvent 1,1,1-trichloroethane. 1,4-dioxane can also be an unintended contaminant in the production of certain products, including some…

MPCA established a network of long-term biological monitoring stations that represent a variety of stream types in their most natural condition.

Volunteer-collected data are regularly used in decision-making and conservation efforts. Find a program that excites you and join in.

Clean Water Fund dollars come from the Clean Water, Land and Legacy Amendment that Minnesotans approved in 2008.

The MPCA provides climate change technical assistance to Minnesotan, including one-on-one consultation or small group facilitation, to assess current capacity, build on strengths, and address underlying needs.

Status of total maximum daily load (TMDL) projects in Minnesota.

Are pets affected by poor air quality? Will wearing a mask help when I’m outside? What is particulate pollution? We’ve got the answers.

MPCA has released the first in a series of reports on industrial uses of PFAS in Minnesota and identifying alternatives.

Minnesota state agencies and local governments are working together to protect drinking water supplies.

The Air We Breathe report looks at public health and air quality data to gauge how air pollution is affecting our health in Minnesota.