A number of documents are available on these pages that describe the regulations and programs aimed at preventing and controlling the discharge of pollutants to the municipal stormdrain system and receiving waters. Orange County lies within two different regions of the State Water Quality Control Board's jurisdiction: the Santa Ana Regional Water Quality Control Board and the San Diego Regional Water Quality Control Board.
If there are any questions regarding the details of a document, or to obtain a hard copy or other alternative formats of the original document, or to have a document read to you, please contact the OC Public Works offices, Monday through Friday, 7 a.m. to 5 p.m. PST, at 2301 N. Glassell St., Orange, CA, 92865 or by sending a message through our contact form, or by phone at (714) 955-0600.
The following guidance manual was developed by the Orange County Stormwater Program to assist construction projects in Orange County with understanding how to comply with local and State stormwater runoff requirements:
The following Best Management Practice Fact Sheets and Appendices are from the California Stormwater Quality Association (CASQA) Stormwater Best Management Handbook Portal: Construction.
The County of Orange has obtained these documents through a subscription service available through the CASQA website at casqa.org and has incorporated them into its Local Implementation Plan (LIP) which functions as the County’s stormwater management plan. The CASQA documents posted here are for individual use only and commercial reproduction is strictly prohibited without the prior written approval of CASQA.
Appendix B: Stormwater Pollution Prevention Plan Outline
Appendix C: Rain Event Action Plan Template
Appendix D: Field Monitoring and Analysis Guidance - Field Logs
Appendix E: Bioassessment Summary and Resources
Appendix F: Guidance on Selection of Temporary Slope Stabilization
Appendix G: SWPPP Template