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MPCA permits are required for extensions, additions, or other modifications to sanitary sewer collection systems that result in new or increased discharges of pollutants.

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.

Composting your Halloween jack-o'-lantern is a good way to keep it out of the landfill. So is giving it to a local farmer.

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.

Removing of an old dam and restoring a creek's curves are improving habitat and water quality in the Pomme de Terre River Watershed.

The Minnesota GreenCorps program, coordinated by the MPCA, aims to preserve and protect Minnesota’s environment while training a new generation of environmental professionals.

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.

Financing for wastewater and stormwater projects is available for public entities.

The MPCA and the U.S. Environmental Protection Agency (EPA) are working together on an enforcement investigation to address elevated lead emissions at Federal Ammunition in Anoka.

Financing is available for public entities in Minnesota to expand or improve stormwater infrastructure.

Smith Foundry has ceased operations at its East Phillips facility after an investigation and settlement with the U.S. EPA that the MPCA supported.

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

The Olmsted Soil and Water Conservation District's Soil Health Farm demonstrates how farmers can benefit from practices that also provide resilience to climate change.

The MPCA regulates the design, construction, and operation of treatment facilities for municipal and industrial wastewater in Minnesota.

The Soiled Undies exhibit at the Eco Experience at the Minnesota State Fair might look off-putting at first, but it's a good demonstration of the importance of soil health and how healthy soil can help the environment.

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

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.

Profile of Julia Dady, a volunteer water monitor for Battle Creek in Saint Paul.

Francesca Crego, or Frannie, fondly recalls bike rides along the Mississippi River’s edge with her family. Growing up in the city, Frannie appreciated the feeling of mysticality brought by the river’…

Complying with the MS4 general permit