Active Ingredient: Imidacloprid
Human Health Risk Assessment and Mitigation
Documents and Activities
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Overview
- Name: Imidacloprid
- DPR Chemical Code: 3849
- Chemical Class: Neonicotinoid
- Pesticide Types Registered: Insecticide
- Fumigant: No
- California Restricted Material: No
- Toxic Air Contaminant (TAC): No
- Volatile Organic Compound (VOC) Regulations: No
- Potential Groundwater Contaminant: Yes
- Reevaluation: Active
Risk Characterization Documents (RCDs) estimate the nature and likelihood of adverse health effects in humans who may be exposed to pesticides.
For document retrieval, please submit a request at our Public Records Portal (NextRequest)
- December 2024 - Final Human Health Risk Characterization Document for Non-Agricultural Uses of Imidacloprid (PDF)
- December 2024 - Final Human Exposure Assessment Document for Non-Agricultural Uses of Imidacloprid (PDF)
- December 2024 - DPR Response to Comments by the U.S. Environmental Protection Agency (PDF)
- December 2024 – DPR Response to Comments by the Office of Environmental Health Hazard Assessment (PDF)
- December 2024 – DPR Response to Comments by Elanco US Inc. (PDF)
- March 2024 - Draft Human Health Risk Characterization Document for Non-Agricultural and Residential Uses of Imidacloprid (PDF)
- March 2024 – Draft Human Exposure Assessment for Non-Agricultural and Residential Uses of Imidacloprid (PDF)
- February 2006 – Risk Characterization Document (Dietary and Drinking Water Exposure) (PDF)
- June 1993 – Risk Characterization Document (Section 18 Emergency Exemption for Use on Cotton) (PDF)
Other Documents
- April 2021 – Updated Risks from Human Exposure to Imidacloprid Residues in Well Water (PDF)
- April 2018 – Evaluation of the Potential Human Health Effects from Drinking Well Water Containing Imidacloprid (PDF)
- February 2017 – Summary of Japanese Beetle Eradication Program Monitoring for Carbaryl, Imidacloprid and Cyfluthrin in Sacramento County, 2015 (PDF)
- August 2016 – Study #307: Measurement of Airborne Drift of the Insecticide Imidacloprid as Applied by an Unmanned Aerial Vehicle
- July 2015 – Summary of Japanese Beetle Eradication Program Monitoring for Carbaryl, Imidacloprid and Cyfluthrin in Sacramento County, 2011 (Study # JB 258) (PDF)
- October 2012 – Results for the Monitoring of Imidacloprid and Cyfluthrin used in the Asian Citrus Psyllid Eradication Program in Imperial County (Study #258) (PDF)
- October 2012 – Results for the Monitoring of Imidacloprid and Cyfluthrin used in Asian Citrus Psyllid Eradication Program in San Diego County (Study #258) (PDF)
- March 2012 – Monitoring Results of Imidacloprid Applications for Glassy-Winged Sharpshooter Control in a Residential Area of San Luis Obispo County (PDF)
- March 2005 – Transferable Turf Residue following Imidacloprid Application (PDF)
- September 2004 – Preliminary Monitoring Results of Imidacloprid and Cyfluthrin Applications for Glassy Winged Sharpshooter Control in a Residential Area of Solano County (Study 197) (PDF)
- March 2004 – Summary of Results for Fiscal Year 2003/04 Groundwater Protection List Monitoring for Imidacloprid and Three of its Degradates
- February 2004 – Monitoring of Ground Applicators Applying Pesticides and Arbor Trellised Vineyards or T-type Cross Arm Trellised Vineyards (PDF)
- October 2002 – Preliminary Monitoring Results of Imidacloprid and Carbaryl Applications for Glassy-Winged Sharpshooter Control in Residential Areas of Imperial County (PDF)
- July 2002 – Preliminary Monitoring Results of Imidacloprid Applications for Glassy-Winged Sharpshooter Control in Residential Areas of Santa Clara County (Study 197) (PDF)
- May 2001 – Preliminary Monitoring Results of Imidacloprid Application for Glassy-Winged Sharpshooter Control in Residential Areas of Sacramento County (Study 197) (PDF)
- September 2000 – Determination of Carbaryl and Imidacloprid on Dislodgeable Leaf Punch Samples (PDF)
- June 1993 – Confidor (Imidacloprid) Estimated Foliar Dislodgeable Residues (PDF)
- December 2024 - Notice of Completion of Final Risk Characterization Document and Final Exposure Assessment Document for the Non-Agricultural Uses of the Active Ingredient Imidacloprid (PDF)
- October 2024 - ENF 24-12: Neonicotinoid Pesticides for Non-Agricultural Outdoor Use: New Law and Questions and Answers (PDF)
- May 2024 - ENF 24-12: Neonicotinoid Pesticides for Non-Agricultural Outdoor Use: New Law and Questions and Answers
- Pesticide Registration and Evaluation Committee Meeting Minutes (PDF)
- Presentation on Risk & Exposure Assessment of Non-Agricultural Uses of Imidacloprid
- Presentation on Updates in Neonicotinoid Reevaluation
- March 2024 - Notice of Initiation of Scientific Peer Review with Partner Agencies Following Completion of the Draft Risk Characterization Document and the Draft Exposure Assessment Document for the Non-Agricultural Uses of the Active Ingredient Imidacloprid (PDF)
- March 2024 - Notice of Initiation of Reevaluation of Neonicotinoid Products Intended for Non-Agricultural Use on Non-Production, Outdoor Ornamental Plants, Trees, or Turf (PDF)
- March 2024 - Notice of Closure of Reevaluation of Chemicals in the Nitroguanidine Insecticide Class of Neonicotinoid Pesticides (PDF)
- January 2022 – Pesticide Registration and Evaluation Committee Meeting Agenda (PDF)
- Pesticide Registration and Evaluation Committee Meeting Minutes (PDF)
- Presentation on Updates on DPR’s Neonicotinoid Reevaluation and Upcoming Mitigation
- July 2020 – Pesticide Registration and Evaluation Committee Meeting Agenda (PDF)
- Pesticide Registration and Evaluation Committee Meeting Minutes (PDF)
- Presentation on DPR’s Neonicotinoid Reevaluation and Upcoming Mitigation Webinars
- September 2018 – Agricultural Pest Control Advisory Committee Meeting Agenda (PDF)
- Agricultural Pest Control Advisory Committee Meeting Minutes (PDF)
- Presentation on California Neonicotinoid Risk Determination
- September 2018 – Pesticide Registration and Evaluation Committee Meeting Agenda (PDF)
- Pesticide Registration and Evaluation Committee Meeting Minutes (PDF)
- Presentation on Neonicotinoid Risk Determination
- March 2018 - Notice of Initiation of Human Health Risk Assessment for the Active Ingredient Imidacloprid (PDF)
- July 2017 – Pesticide Registration and Evaluation Committee Meeting Agenda (PDF)
- Pesticide Registration and Evaluation Committee Meeting Minutes (PDF)
- Presentation on Neonicotinoid Updates
- 2015 – Imidacloprid and Fipronil Insecticides, Comparison of In Vivo Toxicity Endpoints and ToxCast Profiles (PDF)
- November 2001 – Initiation of Risk Assessment Process for the Active Ingredient Imidacloprid
- Pesticide Product Database
- Human Health Assessment Branch Memos
- Human Health Assessment Branch Publications, Posters/Abstracts and Presentations
- Worker Health and Safety Reports and Memos
- Environmental Monitoring Branch Publications
- Air Monitoring Network
- Pesticide Use Reporting (PUR)
- California Pesticide Illness Query (CalPIQ)
- Environmental Justice (EJ)
- OEHHA Proposition 65 Information
- U.S. EPA Pesticide Chemical Search
- PubChem-Chemical Information
For document retrieval, please submit a request at our Public Records Portal (NextRequest).
For content questions, contact:
Christine Herrera
Worker Health and Safety Branch
1001 I Street, P.O. Box 4015
Sacramento, CA 95812-4015
Phone: (916) 445-4261
E-mail: Christine.Herrera@cdpr.ca.gov
Brenna McNabb
Pesticide Registration Branch
1001 I Street, P.O. Box 4015
Sacramento, CA 95812-4015
Phone: (916) 445-0179
E-mail:
Brenna.McNabb@cdpr.ca.gov