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On this Page
  • Health and Safety Information
  • Recent Reports and Announcements

Information on Diuron

See all Active Ingredients

Find information on the registration status, continuous evaluation and mitigation measures in California to regulate this active ingredient. An active ingredient is the chemical that makes a pesticide work on a target pest.

Active Ingredient: Diuron
Type of Pesticide: Herbicide, Algaecide, Fungicide
California Registration: Yes
Products Registered
EPA Registration: Yes
Fumigant: No
California Restricted Material: Yes
Toxic Air Contaminant (TAC): No
Volatile Organic Compound (VOC): No
Potential Groundwater Contaminant: Yes
Reevaluation Status: None
Chemical Class: Dimethylurea
DPR Chemical Code: 231

Health and Safety Information

  • November 2022 - Risks from Human Exposure to Diuron Residues in Groundwater - English pdf  

Recent Reports and Announcements

  • Study 221-Demonstration Study on Chemigation of Simazine and Diuron on Citrus Orchard in Tulare County
  • Preliminary Results for Study 221: Effect of Chemigation Injection Speed on the Efficacy and Leaching of the Pre-Emergence Herbicides and Diuron
  • Study 332: Protocol for Characterizing the Relative Fate and Movement of Glyphosate, Bromacil, and Diuron in Leaching-Vulnerable Soils
  • Risks from Human Exposure to Diuron Residues in Groundwater
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