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Did you know that when pesticides (including weed killer, insecticides, and fungicides) are sprayed on your lawn or garden, water from rain or overwatering can wash these chemicals down the sidewalk and into the storm drains and directly into local waterways? Unlike sewer systems, the water in storm drains is not treated before it reaches our local creeks and the San Francisco Bay. While pesticides are designed to be toxic to certain organisms, they can often be harmful and kill other species in the marine system that are important for the entire ecosystem.
You can help reduce pesticide pollution: