Back to Surface Water Protection Program

• Regulatory Policies
  • Analysis of Recent Chlorpyrifos Use and Surface Water Monitoring Data (PDF, 599 kb)
  • Notice of Decision to Begin Reevaluation of Pesticide Products Containing Diazinon (PDF, 26 kb)
  • Guidance for Diazinon Reevaluation Studies (PDF, 314 kb)
  • US Clean Water Act Section 303(d) Final List for Registered Pesticides 2002 (PDF, 18 kb)
  • The Management Agency Agreement
  • The California Pesticide Management Plan for Water Quality
  • Process for Responding to the Presence of Pesticides in Surface Water (PDF, 71 kb)
• Sampling Strategies and Policies
  • Review of US EPA Aquatic Life Benchmarks, with Monitoring Recommendations. (PDF 70 kb)
  • Assessment of Acute Aquatic Toxicity of Current-Use Pesticides in California, with Monitoring Recommendations (PDF 61 kb)
  • Appendix A Toxicity Assessement Details, Agricultural Use by County, High Use Regions and Monitoring Data, Detailed Assessment Results (PDF 466 kb)
  • Appendix B-1 Agricultural Use by County (PDF 1.8 mb)
  • Appendix B-2 Agricultural Use by County (PDF 1.1 mb)
  • Appendix C High Use Regions and Monitoring Data (PDF 747 kb)
  • Appendix D Detailed Assessment Results (PDF 453 kb)

• Overview of Surface Water Monitoring Alternatives (PDF 181 kb)