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The purpose of this Appendix is to provide a historical Opera6onal Report from including derived from cer6fied spill reports and other <br />data for assis6ng managers and regulators comprehensively assess the system performance over 6me. The report u6lizes available <br />data from the State Water Board online database (CIWQS) and Fischer Compliance LLC’s customized modeling soJware including <br />development of comprehensive data visualiza6ons to compare the Agency’s benchmarks against other sewer collec6on system <br />operators located within the same region. <br /> <br />List of Figures <br />Figure 1 – Agency Spill Dashboard (2007-2023) ............................................................................................................................................................ 2 <br />Figure 2 - Agency # of Spills per Year (2007-2023) ........................................................................................................................................................ 3 <br />Figure 3 - Agency Spill Discharge/Recovery Volumes (2007-2022) ............................................................................................................................... 4 <br />Figure 4 - Agency Spill Rolling Average Rate (# of spills/100 miles of sewers), 2007-2024 ........................................................................................... 5 <br />Figure 5 - Agency Spill Rolling Average Rate (# of spills/100 miles of sewers) compared to other agencies, 2007-2024 ............................................. 6 <br />Figure 6 - Agency Spill Recovery Metrics (%) compared to other agencies (2007-2023) .............................................................................................. 7 <br />Figure 7 - Agency Spill Causes by # of Spills (2007-2023) .............................................................................................................................................. 8 <br />Figure 8 - Agency Spill Causes by Volume of Spills (2007-2023) .................................................................................................................................... 9 <br /> <br />ATTY/RESO.0077/CC RESO SEWER SYSTEM MANAGEMENT PLAN - EXHIBIT A <br />REV: 07-14-25 LF <br /> <br />Page 268 of 317