Lawn fertilizers, pesticides, yard clippings and leaves can wash into storm drains after a heavy rain fall and pollute our water ways.

LAWN SPREADERExcessive amounts of phosphorus, a component of lawn fertilizer, creates weed and algae growth, causing significant water quality problems.

  • Make sure that you’re treating your lawn properly. Get your soil tested before you fertilize at UMass Extension.
  • Choose phosphate-free or organic fertilizers, and sweep up excess from paved areas.
  • Follow manufacturer’s recommended amounts – and never fertilize before a heavy rainfall.  Rain water can easily wash fertilizer down a storm drain.
  • Use lawn chemicals sparingly. The best times to fertilize are the late spring and early fall.

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