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Table 46. Total Potable Connections by Meters Size and Equivalent Meter Count...........................................35 <br />Table 47. Total Fire Connections by Meters Size and Equivalent Meter Count.................................................35 <br />Table 48. Determination of Meter Unit Cost..............................................................................................................36 <br />Table 49. Allocation of Meter Costs to Potable and Fire Customers...................................................................36 <br />Table 50. Final Cost of Service Allocations with all Adjustments........................................................................36 <br />Table 51. Rate Revenue Requirements Divided by the Corresponding Units....................................................38 <br />Table 52. Fixed Cost Components Divided by Number of Units for Potable Retail Customers .....................40 <br />Table 53. Fixed Cost Components Divided by Number of Units for Private Fire Customers ..........................40 <br />Table 54. Monthly Water Service Fixed Charge Calculation..................................................................................40 <br />Table 55. Monthly Water Service Fixed Charge Calculation, Private Fire Connections...................................41 <br />Table 56. Proposed 5-year Fixed Charge Schedule. Potable Retail.....................................................................41 <br />Table 57. Proposed 5-year Fixed Charge Schedule, Private Fire.........................................................................42 <br />Table 58. Available Water Supplies Under Each Supply Category.......................................................................42 <br />Table59. Tier 1 Base Derivation.................................................................................................................................43 <br />Table 60. Water Demand Under Base Derivation.....................................................................................................43 <br />Table 61. Monthly Tier Width Under Adjusted Derivation......................................................................................43 <br />Table 62. Total Supply Costs by Source...................................................................................................................44 <br />Table 63. Water Supply Costs by Water Source and Unit Cost............................................................................44 <br />Table 64. Water Supply Unit Costs by Tier...............................................................................................................44 <br />Table 65. Other Water Supply Unit Cost....................................................................................................................45 <br />Table66. Base Delivery Unit Cost..............................................................................................................................45 <br />Table 67. Revenue Offset Unit Credit.........................................................................................................................45 <br />Table 68. Variable Rate Calculation...........................................................................................................................45 <br />Table 69. Proposed 5-Year Variable Rate Schedule................................................................................................45 <br />Table 70. Recycled Water Fixed Revenue Collection.............................................................................................46 <br />Table 71. Recycled Water Variable Rate Derivation................................................................................................46 <br />Table 72. Proposed Variable Recycled Water Rates...............................................................................................47 <br />Table 73. Sewer System Rate Revenue Forecast, FY 2026 to FY 2031................................................................48 <br />Table 74. Sewer System Revenue Forecast, FY 2026 to FY 2031.........................................................................49 <br />Table 75. Sewer System O&M Expense Forecast, FY 2026 to FY 2031...............................................................49 <br />Table 76. Rate Study Sewer CIP Expenses by Expense Type, FY 2026 to FY 2031..........................................50 <br />Table 77. Rate Study Debt Service Expenses, FY 2026 to FY 2031......................................................................50 <br />Table 78. Rate Study Debt Service Coverage Ratios, FY 2026 to FY 2031..........................................................50 <br />Table 79. Sewer Reserve Target, FY 2026 to FY 2031.............................................................................................51 <br />Table 80. Status Quo Financial Pro Forma for City of Santa Ana Sewer System, FY 2026 to FY 2031 ........53 <br />Table 81. Proposed Financial Pro Forma for City of Santa Ana Sewer System, FY 2026 to FY 2031 ............54 <br />Table 82. Revenue Requirements for City of Santa Ana Sewer Utility, FY 2026................................................55 <br />Table 83. Percent of O&M Functional Categories Allocated.................................................................................57 <br />Table 84. Total of Operating Functional Categories Allocated to Cost Components.......................................57 <br />Table 85. Total of Non -operating Functional Categories Allocated to Cost Components...............................57 <br />Table 86. Revenue Requirement Cost Allocation by Cost Component...............................................................58 <br />Table 87. Cost of Service Units of Service................................................................................................................59 <br />Table88. Cost of Service Unit Cost...........................................................................................................................59 <br />Table 89. Monthly Sewer Rate Calculation...............................................................................................................60 <br />Table 90. Proposed Variable Sewer Rates 2026 to 2030........................................................................................60 <br />Table 91. Proposed Variable Sewer Rates 2026 to 2030........................................................................................61 <br />Table 92. Proposed Fixed Rates for 2026 to 2030...................................................................................................66 <br />Table 93. Proposed Variable and MWD Variable Rates for 2026 to 2030............................................................66 <br />Table 94. Proposed Sewer Rates Based on the Proposed Revenue Adjustment..............................................71 <br />iv <br />City of Santa Ana - 2026 Water and Sewer Rate Study <br />