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Water permit holders and chloride

Chloride is a problem for wastewater facilities and stormwater permittees.

Statewide chloride resources

Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.

MPCA water quality fees

The Minnesota Pollution Control Agency is planning amendments to rules governing water quality fees (Minn. R. ch. 7002 and 7083).

Energy and sustainability

By taking steps beyond compliance to reduce your business's energy use and transportation impact and increasing the sustainability of your business's operations, your business can see tangible benefits.

Chloride outreach and education

The MPCA has a variety of educational displays, programs, and materials about chloride pollution. We encourage our partners to utilize these resources to engage with their community.

Solid waste landfill operator training

The MPCA provides workshops and conferences to help solid waste landfill operators get certified and stay up to date.

Help save Minnesota waters, your pets, and your wallet from too much salt this winter

Clearing ice? Before you reach for the salt bag and begin to scatter, consider using other tools to get the job done that are less toxic to our waterways and our beloved pets, and will save you money.

Smart Salting training

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

To protect lakes and fish, snowplows go on a low-salt diet

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.

As Minnesota prepares for a cold, snowy winter, MPCA urges smart salting practices

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

Eco Living – Use less salt in your water softener to cut pollution and save money

Across the state, water softeners contribute significantly to chloride pollution. Here’s how to make sure your water softener isn’t sending excess salt into the environment

GreenCorps salt sleuths solve over-salting “mysteries” in Minneapolis

Solving the problem of oversalted sidewalks is elementary!

GreenCorps training helps balance winter salt use and water quality

Minnesota GreenCorps members serving with the City of Minneapolis developed a mini-course for residents about responsible use of deicing salt.

Rebates for water softeners reduce pollution in Redwood River

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.

Don't flush medicines down the drain

Medicines flushed down the drain can contaminate water, which can hurt fish and other aquatic wildlife, and end up in our drinking water.

Chloride reduction program

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

Progress made toward water quality goals; public invited to comment on Minnesota Nutrient Reduction Strategy

The MPCA has released the draft 2025 Minnesota Nutrient Reduction Strategy for public review and comment.

Printing operations emission calculations

Create an editable spreadsheet with the information indicated below. Each step in your calculations needs to be clear and easy to follow.Facility informationProvide the facility information listed on…

How climate change affects Minnesota’s rivers

Increased rainfall from climate change damages river water quality, which in turn damages fishing and recreation.

Social media community terms of use

The purpose of the Minnesota Pollution Control Agency's official social media accounts is to provide information about the MPCA and the programs, services, and products we provide. The MPCA social…