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Septic system owners are responsible for system maintenance. Properly maintaining a septic system will extend its life.

In Minnesota, wastewater treatment operators must be certified to ensure that facilities meet operational requirements.

The amount of hazardous waste you generate will dictate your waste generator status.

Prevent costly sewer clogs by keeping grease out of sinks and by not flushing disposable wipes.

One indicator of impairment that puts a stream on the Impaired Waters List is its macroinvertebrate population. Here's how that works.

Kathy Wagner, recipient of the 2025 Community Conservationist Award from the Minnesota Pollution Control Agency (MPCA) and Minnesota Association of Soil and Water Conservation Districts (MASWCD), discusses her personal conservation work and local environmental advocacy.

This long-term data gathering initiative helps track trends in water bodies around the state. The MPCA is grateful for every volunteer who has dedicated time to monitoring their favorite lake or stream.

Carba, a Minnesota-based company focused on carbon-capture technology, took home the MPCA’s Green and Sustainable Chemistry Prize at the 2023 MN Cup

The Mustinka River begins its course southwest of Fergus Falls in southwestern Otter Tail County and flows toward the south into Grant County, where it continues through Stony Brook Lake and Lightning Lake.

To make electric school buses more affordable to school districts, the MPCA started a grant program that puts more of the cleaner buses on routes across the state.

This Winnebago River consists of a stream and lake system in southern Minnesota that flows into Iowa. The water resources here face several water quality challenges, including high nutrient and bacteria levels.

Minnesota is the first state to require producers fund boat wrap collection and recycling.

Counties and solid waste management districts around the state are required to prepare and implement detailed plans for solid waste management.

The MPCA had at least $1 million to support projects that will build lasting capacity to preserve standing tree stock and manage increasing volumes of wood waste.

Northern Iron operates an iron foundry in an environmental justice area in Saint Paul's Payne-Phalen neighborhood.

In Minnesota, handlers of oil and hazardous substances are required to prepare for potential spills and take steps to prevent them.

The MPCA is proposing to amend Minnesota Rules governing animal feedlots.

Willernie-based Revitri won the MPCA’s Green and Sustainable Chemistry Prize for its innovative manufactured glass beads

Spilled mercury, even small quantities in the home, should be cleaned up quickly and properly so that people don't come in contact with it or breathe its vapors.

MPCA issues coverage to construction site owners and their operators to prevent stormwater pollution during and after construction, and protect Minnesota's water resources.