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Pesticides and Water Resources

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.

When using pesticides around waterways, keep these tips in mind:

If you have questions about pesticides in lakes, ponds or streams, please call NPIC at 1-800-858-7378 (8:00am - 12:00pm PST), or email us at npic@ace.orst.edu.

Additional Resources:

Last updated October 2, 2020

Related Topics:

What are pests?

Learn about a pest

Identify a pest

Control a pest

Integrated Pest Management

What are pesticides?





Natural and Biological Pesticides



Other types of pesticides

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