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Table 20 shows the annual water use projection by customer class for the rate setting period.
<br />Table 20. Annual Water Use by Customer Class in ccf, FY 2026 to FY 20316
<br />Single Family Residential
<br />4,781,196
<br />4,784,964
<br />4,788,732
<br />4,792,500
<br />4,796,425
<br />4,800,350
<br />Multi -Family Residential
<br />4,454,015
<br />4,485,754
<br />4,505,027
<br />4,537,410
<br />4,571,329
<br />4,589,512
<br />Non -Residential
<br />4,301,533
<br />4,302,665
<br />4,303,317
<br />4,304,329
<br />4,305,101
<br />4,306,113
<br />Recycled
<br />106,800
<br />106,800
<br />106,800
<br />106,800
<br />106,800
<br />106,800
<br />Total
<br />13,643, 544
<br />13,680,183
<br />13,703,876
<br />13,741,039
<br />13,779,655
<br />13,802,775
<br />Revenues
<br />Based on the account growth and water demand projections, RDN forecasted revenues generated from
<br />customer rates using the current water rates for the study period, which total approximately $71.4 to
<br />$72.1 million annually.
<br />Table 21. Water Rate Revenue by Source, FY 2026 to FY 2031
<br />5/8"X3/4"
<br />$9,176,636
<br />$9,177,219
<br />$9,176,636
<br />$9,176,928
<br />$9,176,636
<br />$9,176,928
<br />3/4"
<br />$2,413,585
<br />$2,415,335
<br />$2,417,086
<br />$2,418,836
<br />$2,420,587
<br />$2,422,337
<br />1"
<br />$3,619,814
<br />$3,643,883
<br />$3,667,951
<br />$3,691,291
<br />$3,716,089
<br />$3,740,887
<br />11/2"
<br />$1,979,320
<br />$1,977,862
<br />$1,979,320
<br />$1,979,320
<br />$1,980,779
<br />$1,980,779
<br />2"
<br />$3,986,062
<br />$3,986,062
<br />$3,986,062
<br />$3,986,062
<br />$3,986,062
<br />$3,986,062
<br />3"
<br />$1,618,374
<br />$1,618,374
<br />$1,618,374
<br />$1,618,374
<br />$1,618,374
<br />$1,618,374
<br />4"
<br />$1,323,268
<br />$1,332,457
<br />$1,341,647
<br />$1,350,836
<br />$1,360,025
<br />$1,369,215
<br />6"
<br />$1,156,692
<br />$1,175,654
<br />$1,175,654
<br />$1,194,616
<br />$1,213,578
<br />$1,213,578
<br />8"
<br />$70,014
<br />$70,014
<br />$70,014
<br />$70,014
<br />$70,014
<br />$70,014
<br />10"
<br />$35,007
<br />$35,007
<br />$35,007
<br />$35,007
<br />$35,007
<br />$35,007
<br />Fireline
<br />$389,328
<br />$394,231
<br />$394,983
<br />$399,877
<br />$404,754
<br />$405,533
<br />Total
<br />$25,768,099
<br />$25,826,098
<br />$25,862,734
<br />$25,921,161
<br />$25,981,905
<br />$26,018,714
<br />Tier 1 $26,884,013 $26,966,802 $27,019,081 $27,103,038 $27,190,194 $27,241,137
<br />Tier $18,764,857 $18,793,015 $18,814,063 $18,842,663 $18,872,567 $18,893,267
<br />Total $45,648,870 $45,759,818 $45,833,145 $45,945,700 $46,062,761 $46,134,404
<br />Other operating income and non -operating revenue are estimated to provide supplemental revenue each
<br />year. Table 22 and Table 23 shows the projected other operating and non -operating revenue for the
<br />water utility by source for FY 2026 to FY 2031, respectively.
<br />6 Use projections derived from historical bi-monthly customer billing records provided by the City and trends in water use
<br />City of Santa Ana - 2026 Water and Sewer Rate Study
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