Skip to Main Content
CA.gov

Official website of the State of California

Help Translate
State of California Department of Pesticide Regulation
Custom Google Search
    • About DPR
    • Environmental Justice
    • Tribal Affairs
    • Committees
    • Laws and Regulations
    • Report a Pesticide Incident
    • How Pesticides are Evaluated
    • Community Health
    • Worker Safety
    • Healthy Schools Act and Training
    • Enforcement
    • Endangered Species
    • Cannabis Cultivation
    • Look Up Pesticide Info
    • Report a Pesticide Incident
    • Sustainable Pest Management/Integrated Pest Management Overview
    • Integrated Pest Management/Sustainable Pest Management Resources
    • Integrated Pest Management Grants
    • Integrated Pest Management Achievement Awards
    • How to Register a Pesticide
    • Registered Products in California
    • Look Up Pesticide Info
    • Stakeholder Notices and Info
    • Apply or Renew a License
    • Continuing Education
    • List of Current Licensees
    • Pesticide Use in California
    • Environmental Monitoring
    • Tracking Pesticide Illness
    • Residue Monitoring
    • Registered Products in California
    • Look Up Pesticide Info
    • Reports Directory
    • News and Announcements
    • Meetings and Events
    • Resource Hub for Local Engagement
    • Proposed Regulatory Changes
    • Submit a Public Comment
  • Reports
  • Air
  • Alternatives
  • Groundwater
  • Pest Eradication
  • Pesticide Contamination Prevention Act (PCPA) Groundwater
  • Pesticide Illness Surveillance Program (PISP)
  • Pesticide Use Report (PUR)
  • Residue
  • Risk
  • Surface Water

Reports - Groundwater Archive

Study 228: Monitoring Groundwater Concentrations of Pesticides in Sensitive Areas with High Agricultural Use (Well Network Sampling) Annual Update 2022

March 1, 2025

Standard Operating Procedure – Calculating Pesticide Concentration in Dry and Wet Soil

April 11, 2008

Study 325: Analysis of Neonicotinoid and Fungicide Concentrations in Soil Cores from Treated Lettuce Fields

March 1, 2025

Protocol for Monitoring the Concentration of Detected Pesticides in Wells Located in Highly Sensitive Areas

January 1, 1999

Modification of the Probabilistic Modeling Approach to Predict Well Water Concentrations Used for Assessing the Risk of Groundwater Contamination by Pesticides

May 7, 2009

Collection of Preserved Nitrate Samples and Safety

September 25, 2024

Revision of the Statistical Method to Identify Pesticide Chemicals with Potential to Move through Soil to Groundwater in California

July 1, 2024

Standard Operating Procedure – Transporting, Packaging and Shipping Samples from the Field to the Warehouse or Laboratory

September 2, 1999

Standard Operating Procedure – Preparation of a Field Blank Sample

August 29, 2011

Standard Operating Procedure – Procedure for Preparing Background Matrix Water with Sediment

March 1, 2006

  • Previous
  • 1
  • 2
  • …
  • 19
  • Next
Resources
Mill Assessment Language Access Careers Contact Us CalEPA
Stay Informed
Get the latest updates from the California Department of Pesticide Regulation
CA.gov
  • Privacy Policy
  • Conditions of Use
  • Accessibility Guide
  • Accessibility Certification
  • Sitemap
  • Facebook
  • Twitter
  • YouTube
  • LinkedIn
Copyright © 2025 State of California