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Table 46. Total Potable Connections by Meters Size and Equivalent Meter Count.........................................34 <br />Table 47. Total Fire Connections by Meters Size and Equivalent Meter Count................................................34 <br />Table 48. Determination of Meter Unit Cost..........................................................................................................35 <br />Table 49. Allocation of Meter Costs to Potable and Fire Customers.................................................................35 <br />Table 50. Final Cost of Service Allocations with all Adjustments.....................................................................35 <br />Table 51. Rate Revenue Requirements Divided by the Corresponding Units..................................................37 <br />Table 52. Fixed Cost Components Divided by Number of Units for Potable Retail Customers .....................39 <br />Table 53. Fixed Cost Components Divided by Number of Units for Private Fire Customers .........................39 <br />Table 54. Monthly Water Service Fixed Charge Calculation...............................................................................39 <br />Table 55. Monthly Water Service Fixed Charge Calculation, Private Fire Connections..................................40 <br />Table 56. Proposed 5-year Fixed Charge Schedule. Potable Retail...................................................................40 <br />Table 57. Proposed 5-year Fixed Charge Schedule, Private Fire.......................................................................41 <br />Table 58. Available Water Supplies Under Each Supply Category....................................................................41 <br />Table59. Tier 1 Base Derivation............................................................................................................................42 <br />Table 60. Water Demand Under Base Derivation.................................................................................................42 <br />Table 61. Monthly Tier Width Under Adjusted Derivation...................................................................................42 <br />Table 62. Total Supply Costs by Source...............................................................................................................43 <br />Table 63. Water Supply Costs by Water Source and Unit Cost..........................................................................43 <br />Table 64. Water Supply Unit Costs by Tier...........................................................................................................43 <br />Table 65. Other Water Supply Unit Cost...............................................................................................................44 <br />Table 66. Base Delivery Unit Cost.........................................................................................................................44 <br />Table 67. Revenue Offset Unit Credit....................................................................................................................44 <br />Table 68. Variable Rate Calculation.......................................................................................................................44 <br />Table 69. Proposed 5-Year Variable Rate Schedule............................................................................................44 <br />Table 70. Recycled Water Fixed Revenue Collection..........................................................................................45 <br />Table 71. Recycled Water Variable Rate Derivation............................................................................................45 <br />Table 72. Proposed Variable Recycled Water Rates...........................................................................................46 <br />Table 73. Sewer System Rate Revenue Forecast, FY 2026 to FY 2031.............................................................47 <br />Table 74. Sewer System Revenue Forecast, FY 2026 to FY 2031......................................................................48 <br />Table 75. Sewer System O&M Expense Forecast, FY 2026 to FY 2031.............................................................48 <br />Table 76. Rate Study Sewer CIP Expenses by Expense Type, FY 2026 to FY 2031.........................................49 <br />Table 77. Rate Study Debt Service Expenses, FY 2026 to FY 2031...................................................................49 <br />Table 78. Rate Study Debt Service Coverage Ratios, FY 2026 to FY 2031........................................................49 <br />Table 79. Sewer Reserve Target, FY 2026 to FY 2031.........................................................................................50 <br />Table 80. Status Quo Financial Pro Forma for City of Santa Ana Sewer System, FY 2026 to FY 2031 ........52 <br />Table 81. Proposed Financial Pro Forma for City of Santa Ana Sewer System, FY 2026 to FY 2031 ............53 <br />Table 82. Revenue Requirements for City of Santa Ana Sewer Utility, FY 2026..............................................54 <br />Table 83. Percent of O&M Functional Categories Allocated...............................................................................56 <br />Table 84. Total of Operating Functional Categories Allocated to Cost Components......................................56 <br />Table 85. Total of Non -operating Functional Categories Allocated to Cost Components..............................56 <br />Table 86. Revenue Requirement Cost Allocation by Cost Component.............................................................57 <br />Table 87. Cost of Service Units of Service...........................................................................................................58 <br />Table 88. Cost of Service Unit Cost.......................................................................................................................58 <br />Table 89. Monthly Sewer Rate Calculation...........................................................................................................59 <br />Table 90. Proposed Variable Sewer Rates 2026 to 2030.....................................................................................59 <br />Table 91. Proposed Variable Sewer Rates 2026 to 2030.....................................................................................60 <br />Table 92. Proposed Fixed Rates for 2026 to 2030................................................................................................65 <br />Table 93. Proposed Variable and MWD Variable Rates for 2026 to 2030..........................................................65 <br />Table 94. Proposed Sewer Rates Based on the Proposed Revenue Adjustment............................................70 <br />iv <br />City of Santa Ana - 2026 Water and Sewer Rate Study <br />