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News: Blaine

Posted on: July 25, 2019

Pesticides and Our Water Do Not Mix

Green Lawn

Summertime is lawn care time but maintaining lawns with synthetic pesticides (herbicides, insecticides, or fungicides), can pollute water.

This happens because rain can wash off any improperly applied pesticide. The polluted rainwater runs into street storm drains and then water bodies. Pollution control methods, such as stormwater ponds, clean up this water but were not designed to remove pollutants like synthetic pesticides. 

Coon Creek Watershed District has a new online resource guide about maintaining lawns that are nice for both homeowners and the environment at

Here are some quick tips on how to keep pesticides out of water and save money:

  1. Always follow the pesticide label directions.
  2. Only apply pesticides when it is below 85°F, not windy, and no rain is predicted for 48 hours.
  3. Do not use weed and feed products; spot treat weeds instead.
  4. Buy the smallest amount of pesticides and try to use them up. Take old or frozen pesticides to the Anoka County Household Hazardous Waste Facility.

For more information, contact Britta at the Coon Creek Watershed District at 763-755-0975. Funding provided by the Minnesota Department of Health via the Clean Water, Land, and Legacy Amendment.

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