1.800.858.7378 npic@ace.orst.edu
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When you look at a glass of water, you are looking at a world traveler. Water evaporates off the earth and circles the globe as clouds and vapor. It is deposited as rain and snow. Rain and snow melt then flow down streams and rivers into estuaries and the oceans. Pesticides have the potential to enter this hydrologic cycle at any point, and they can be transported long distances. The physical and chemical properties of a pesticide and the environmental conditions combine to determine if pesticides are going to persist in water and move to other locations.

Keep these tips in mind:


Additional Resources:

If you have questions about pesticides in lakes, ponds or streams, please call NPIC at 800-858-7378 (8:00am - 12:00pm PST), or email us at npic@ace.orst.edu.

Last updated September 25, 2023