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State experts anticipate an active summer for air quality alerts with recurring ozone and wildfire smoke events

Salt is commonly over-applied, sending too much chloride into our waterways and wreaking havoc on fish and other wildlife.

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…

Information for cannabis growers and processors to understand environmental regulations and permits that may apply to their businesses.

James Wooton puts his scuba diving skills to work monitoring for aquatic invasive species in Otter Tail County lakes.

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

From the days when raw sewage flowed into rivers and lakes, Minnesota’s water bodies have come a long way. However, there is still work to be done in the restoration and protection of our waters.

Financial assistance for SSTS work is targeted to units of local government.

Kohlman Lake, one of 27 bodies of water to come off the impaired waters list this year, did so with substantial help from the Clean Water Fund.

All facilities with air permits must submit an annual emissions inventory report to the MPCA that tracks actual emissions of major pollutants at that facility.

A water quality variance is a temporary change in a state's water quality standard for a specific pollutant and its relevant criteria, allowing deviation from meeting a water quality-based effluent limit for a particular discharger.

Clearing ice? Before you reach for the salt bag and begin to scatter, consider using other tools to get the job done that are less toxic to our waterways and our beloved pets, and will save you money.

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

The Minnesota Repair Project is one of several initiatives that received a grant from the Minnesota Pollution Control Agency aimed at reducing waste and boosting reuse across the state.

Minnesota rivers are shrinking in the drought; some have their lowest flows in decades. What will be the long term effects?

Ask the MPCA features questions Minnesotans have asked us, on the issues the agency works on, from waste disposal, water and air quality, and chemicals in products to recycling and reuse,…

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

Stormwater runoff is a leading source of water pollution, and the state general permit is designed to reduce the amount of sediment and other pollutants entering state waters.

Create an editable spreadsheet of details about your facility to make calculations of emissions.

Pig’s Eye Dump in Saint Paul has been slated for cleanup and restoration.