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Volunteer water monitors collect valuable data used by agencies and organizations across the state to protect and manage Minnesota’s waters.

MPCA studies shows 75% of Minnesota lakes meet standards for recreation. Clean Water Fund dollars help answer water quality questions.

Throughout her life, Jen Widmer has felt a deep connection to wetlands. As a child, she played broomball on the ice of a wetland near her home. She once attempted swimming in the wetland but was…

MPCA collects information about the sale and use of greenhouse gases with high global warming potential.

The St. Louis River Mercury TMDL will determine mercury reductions needed for lakes and rivers in the St. Louis River watershed.

The Vermilion River Watershed, located within northern St. Louis County, covers 662,427 acres, or 1,035 square miles.

A TMDL addressing excess bacteria in 22 stream reaches and protection strategies for 29 stream and river reaches in the Upper Mississippi River watershed.

Improving water quality in Lake George has required treating phosphorus in the water and filtering pollutants out of urban stormwater.

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

The U.S. EPA approved Minnesota's Statewide Mercury Total Maximum Daily Load study in March 2007.

New reports from the MPCA highlight restoration investments and improved water quality while calling for continued work to address persistent challenges in southeastern Minnesota.

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

Find out what’s being done in Minnesota’s watersheds to protect and improve water quality.

MPCA staff studied the river during this summer's extreme drought conditions to see if tighter limits on phosphorus are protecting aquatic life.

Where possible, permit holders must use MPCA's e-Services to apply for reissuance and administrative amendments.

The MPCA developed the Wastewater Nitrogen Reduction and Implementation Strategy to decrease the wastewater sector’s nitrogen loads for the protection and restoration of bodies of water in and downstream of Minnesota.

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

A new planning effort in northwest Minnesota takes a basin-wide approach to reducing the state's phosphorous contributions to the Red River, and to Canada's Lake Winnipeg.

The Clearwater River Watershed drains an area of 886,600 acres in the Red River of the North basin. The river flows to the northwest and southwest, eventually emptying into Red Lake River near Red Lake Falls.

Heavy metals are an ill-defined group of inorganic chemical hazards that include lead, chromium, arsenic, and cadmium. They may leach into soil and water from industrial sites, mines or…