MS4 Winter
  1. Shovel as soon as possible after a snowstorm  As a result, less ice will form and you won't need to use as much salt or de-icer.
  2. Use safe and effective alternatives to salt.  Remember that salt is not effective below 15 degrees Fahrenheit.  Sand or kitty litter will give you traction when it's too cold for salt.
  3. Plant native species, that are salt tolerant, near paved areas.  Not only will these species be able to survive despite the road salt, they will also act as a protective buffer for local waterways.
  4. Make sure the storm drains closest to your property are clear of snow and other debris.  Do not shovel snow into storm drains since they empty directly into local creeks. 

source:  Perkiomen Watershed Conservancy 

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