Appendix E, Technical Reports

The Orange County Stormwater Permittees have recently conducted and participated in a number of special studies and investigations which are available below.
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, query_builder 7 a.m. to 5 p.m. PST, at 2301 N. Glassell St., Orange, CA, 92865. You may also send a message directly or call us at phone (714) 955-0600.

• Appendix E, Cover
• Appendix E1, BMP Effectiveness and Applicability for Orange County
• Appendix E2, Trash and Debris BMP Evaluation
• Appendix E3, Erosion Control BMP Effectiveness Study
• Appendix E4, Septic System Inventory & Assessment
  • Figure 1-1: Septic System Locations
  • Figure 1-1: Septic System Locations & Watersheds
  • Figure 1-2: Septic System Survey Area
• Appendix E5, Portable Toilet Pollution Prevention Program
• Appendix E6, Dry Weather Diversion Study
• Appendix E7, BMP Retrofit Study
• Appendix E8, Countywide Spill Control Program (CASC) Report (joint project with the Orange County Sanitation District)
• Erosion Control Best Management Practices - Field Evaluation: The NPDES municipal stormwater permit for the County of Orange and local jurisdiction Permittees (Order No. R8-2002-0010) issued by the Santa Ana Regional Water Quality Control Board in 2002 required the Permittees to submit a proposal for a study to evaluate the effectiveness of a group of selected BMPs for controlling erosion during new development (construction).