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The salt we're so inclined to dump on roads and sidewalks after winter storms is a 

Chloride — the mineral in salt that's toxic to fish, birds and other aquatic life — is now considered an impairment in 50 bodies of water across the state. Scientists only expect that number to rise.

The challenges of curbing road salt use

A cautionary tale for Minnesota's water

While large-scale salt application is the biggest culprit, there are some things individuals can do to minimize their impact:

 If you're going to use salt, first clear off as much snow and ice as you can with a shovel or scraper. Manual removal is more effective, and it's cheaper.

 A little salt goes a long way. Spread it out. According to 

, "a 12-ounce coffee cup of salt is enough to cover 10 sidewalk squares or a 20-foot driveway."

 If it's below 15 degrees, it's too cold for salt to effectively melt ice. Consider using sand instead. It won't melt the ice, but it will increase traction. Plus, sand is easier on your pet's paws. 

 It'll end up as runoff into waterways or the soil. Clean Water Minnesota recommends sweeping up whatever salt is left sitting on the pavement so you can reuse it after the next storm.

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Cody Nelson

Author

You don't want to slip and fall on the ice. We get that. But there are things you can do to keep sidewalks and driveways safe while minimizing the impact on water and soil.

Rock salt is used to make Minnesota roads safer during winter months.

4 earth-friendly tips to clean up your icy sidewalk

Go Deeper.

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