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Page 9 of 15 <br />Figure 2. Tri-Valley Sewer Rate Survey for Full-Service Restaurant <br /> <br />Figure 3. Tri-Valley Sewer Rate Survey for School – Submetered <br /> <br /> <br />Multi-Year Single Family Customer Impacts <br />Multi-year impacts on single-family customers were evaluated by comparing historical <br />bimonthly bills with projected bimonthly bills under the proposed rates. Pleasanton Collection <br />charges represent the City’s sewer collection costs, and Treatment Pass-through charges <br />represent DSRSD treatment costs. The total bill is the sum of these two charges. <br /> <br />From prior to FY 2019 through FY 2026, the average total bill increased from $77.28 to <br />$91.95, with approximately 65 percent of the increase attributable to Treatment Pass-through <br />charges from DSRSD. Overall, most historical bill increases have been driven by regional <br />Treatment Pass-through cost increases outside the City’s control. Pleasanton Collection <br />charges have either remained unchanged (FY 2021 through FY 2023) or increased based on <br />CPI (Consumer Price Index) adjustments to cover inflationary cost increases. However, CPI <br />adjustments alone typically are not sufficient for new operating costs or CIP projects required <br />to maintain the City’s sewer collection infrastructure. <br /> <br /> <br /> <br /> <br /> <br /> <br />Page 346 of 617