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How to Manage Pests

Pesticides: Water-Related Risks of Active Ingredients

This program provides information on environmental risk of pesticides. It can help farmers consider risk of leaching and runoff, and long-term toxicity of a pesticide, in making pest management decisions, particularly pesticide choice.

For a pesticide active ingredient in the database, WaterTox produces a graphic report showing

  • potential pesticide hazard from runoff and leaching on high-risk soils

NOTE Note that this database

  • does not include every active ingredient or every product that may contain a particular active ingredient
  • may list products that are not currently registered in California or the U.S.

Specify pesticide

Enter any part of an active ingredient name or trade name

Remember that not all trade names are listed in the database.

or select active ingredient from list

WaterTox is a partial implementation of the Windows Pesticide Screening Tool (WIN-PST) developed by USDA-Natural Resources Conservation Service (NRCS). All data come from their Pesticide Properties Database. The program includes WIN-PST's rating adjustments for application area, rate, and method.

Program display design is based on the PesticideWise database by Jay Gan and Peter X. Pang, UC Riverside.

More information


Statewide IPM Program, Agriculture and Natural Resources, University of California
All contents copyright © 2014 The Regents of the University of California. All rights reserved.

For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See our Home page, or in the U.S., contact your local Cooperative Extension office for assistance.

Agriculture and Natural Resources, University of California

Accessibility   /TOX/watertox1.php revised: July 21, 2014 Contact webmaster.