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Pesticides and Water Quality

California creeks and rivers are being contaminated with pesticides, primarily diazinon and chlorpyrifos. These and other pesticides are not only a threat to aquatic life, but they can also affect the quality of our drinking water.

In residential areas

Pesticides Used Around Homes and Gardens

  • How are pesticides affecting water quality?
  • How do pesticides get into our creeks and rivers?
  • What are safer alternatives to pesticides?
  • Safe use and disposal of pesticides

In California agriculture

Dormant Organophosphate Sprays in Tree Fruit Crops

Statewide IPM Program, Agriculture and Natural Resources, University of California
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Agriculture and Natural Resources, University of California

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