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The Pomme de Terre River begins cool and clear in Otter Tail County, bordered by wooded hills and grassy meadows. It flows south through several lakes; as the river nears its mouth, it is bordered by eroding banks, becoming increasingly muddy before discharging into the Minnesota River at Marsh Lake.

This year’s theme is Advancing Nutrient Trading with Sustainable Farming and Conservation Practices.

The MPCA's chloride reduction program assists communities and organizations across Minnesota in identifying sources of chloride.

A series of new culverts in Lake County reconnect brook trout habitat and provide resilience to climate change for area roads.

Sustained efforts by cities and water management organizations have restored water quality in two Dakota County lakes.

Excess nitrate remains a long-term challenge to manage. In our lakes, rivers, and streams, it is toxic to fish and other aquatic life. In drinking water, it can pose a risk to human health,…

Keep It Clean focuses on the growing problem of garbage and human waste left on the ice by anglers and other visitors during ice fishing season.

The MPCA is authorized to develop numeric water quality criteria that apply specifically to a water body or region where the pollutant is found, using data from that water body or region.

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 MPCA has important roles in protecting and restoring waters in degraded conditions.

A successful cleanup of contaminated land along the Cedar River in Austin caps a long history of industrial pollution.

The MPCA is working to address environmental concerns at the closed Freeway Landfill, to prevent the buried waste from affecting drinking water and the nearby Minnesota River.

Removing Middle Lake from the impaired waters list required wrangling with a bottom feeder, the invasive carp.

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

State and federal permits and regulations that are designed to protect groundwater and surface water (lakes, rivers, streams, and wetlands) apply to specific facilities and processes that could pose…

Community wastewater treatment facilities and their operators play a critical role in maintaining a health community and preserving and protecting our waters.

MPCA offers Climate Resilience Planning grants, with a listing of previous grant winners

The MPCA is committed to engaging broadly with the public and ensuring that residents affected by its decisions have a voice in its processes.

When leaves fall on streets, sidewalks, and other hardscapes in urban areas, they wash into the storm drains and end up in lakes and rivers where they feed algae growth. The algae then decomposes and uses up oxygen that fish and native plants need.

The MPCA 401 certification fills a unique niche in protecting water quality by applying state water quality standards to projects.