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The PFAS guidance document uses an evidence-based approach that builds upon the framework and strategies presented in previous MPCA publications.

The MPCA’s Smart Salting program helps cut down on chloride pollution by training snowplow drivers and municipalities to use less salt on the roadways.

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

Allows new and expanding wastewater treatment facilities to receive a discharge permit prior to completion of an applicable phosphorus-related TMDL. Through pre-TMDL phosphorus trading a, a new or expanding facility may increase its phosphorus discharge by purchasing a phosphorus reduction from another source.

This feature summarizes findings from four WRAPS reports in 2024: Root River, Mississippi River-St. Cloud, Pomme de Terre River, and Mississippi River-Lake Pepin Tributaries.

A new $75,000 grant from the MPCA will help the U of M’s Forever Green Initiative make camelina a viable crop for sustainable aviation fuel.

Minnesota has a growing salty water problem that threatens its freshwater fish and other aquatic life. Chloride from both de-icing salt and water softener salt gets into lakes and streams, and…

Smart Salting is a suite of techniques that minimize the environmental and economic impacts of chloride while still meeting public needs.

Water softeners produce much of the chloride that pollutes Minnesota’s waters. An MPCA grant aims to reduce that pollution with water softener replacement rebate programs.

Air pollution levels in Minnesota have steadily decreased over the past few decades and currently meet federal standards. But even levels that meet or are below these standards can affect people’s…

Chemicals in the air toxics emission inventory.

Chloride is a problem for wastewater facilities and stormwater permittees.

Before Laura Mendoza Romero got involved with shoreline restoration, she remembers going on boat rides and seeing all the different landscapes along the shore. Some houses you could barely see…

The Minnesota Retiree Environmental Technical Assistance Program (RETAP) employs skilled, retired professionals to provide facility assessments to small businesses, institutions, and city and county governments in Minnesota.

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

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

For related studies and Technical Advisory Team meeting notes, visit this document sharing site.

Do not throw any hazardous waste in the trash; instead, bring it to a local collection site. Each county in Minnesota administers a household hazardous waste program to help prevent hazardous chemicals from getting into the environment and harming human health.

Minnesota businesses, organizations, and municipalities seeking or holding MPCA wastewater permits are charged two basic types of permit fees: application fees and annual fees.

Residents' guide to stormwater permitting.