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Home My WebLink About2026 Rate Increase Notice - Multi-Residential Water On October 5, 2022, the Otay Water District (District) authorized rate increases, for a period of five years, that pass through to our customers (1) the increased or decreased costs of wholesale water supply and (2) any other cost increases unrelated to wholesale water up to the annual CPI increase (Consumer Price Index-U for the San Diego- Carlsbad Area as of January 31 of the preceding year). As part of the annual budget process completed in June 2025, the District approved implementing a water rate increase to proportionately recover the increasing costs from the District’s wholesale water suppliers (Metropolitan Water District of Southern California and San Diego County Water Authority), as well as to cover increased costs of administering and operating the Otay water system. As a result, the District will raise its water rates by 8.3%, effective for billings starting January 1, 2026. Depending on your billing cycle, the new rates and charges will apply to water used as early as the beginning of December 2025. This rate increase is 81% attributable to unavoidable increased charges from wholesale water suppliers. Your water bill has four components: the Water Rate, the Energy Charge, the MWD/CWA Charge, and the System Charge. Each of those charges, and the change in cost, is described below. The Water Rate(1) (per unit) is based on your water usage. One unit of consumption (1 hundred cubic feet) equals 748 gallons. The Energy Charge represents the cost of the energy required to pump or lift each unit of water to your home. This charge is applied proportionately for every 100 feet of elevation over 450 feet. Customers located at higher elevations pay a higher Energy Charge than customers at lower elevations. Water Consumption Current New 0-9 $6.11 $6.61 10 - 12 $6.61 $7.15 Energy Charge Current New 13 or more $6.85 $7.41 Per unit of water $0.109 $0.092 MWD/CWA Charges are based on meter size and reflect the costs charged by wholesale water suppliers Metropolitan Water District and County Water Authority. System Charges, also based on meter size, and ensure that customers pay their proportionate share of the water system’s replacement, maintenance, and operating expenses. Fire System Charges requires a separate meter and is a monthly fee based on service size. Current New Fire Service System Charges Meter Size System Charges MWD/ CWA Total System Charges MWD/ CWA Total Service Size Current New 3/4" $19.52 $21.37 $40.89 $21.11 $23.89 $45.00 3/4" $3.05 $3.30 1" $23.58 $35.61 $59.19 $25.50 $39.82 $65.32 1" $3.13 $3.38 1 1/2" $34.02 $71.19 $105.21 $36.79 $79.60 $116.39 1 1/2" $3.44 $3.72 2" $46.34 $113.89 $160.23 $50.11 $127.34 $177.45 2" $3.95 $4.27 3" $97.86 $249.15 $347.01 $105.83 $278.58 $384.41 3" $5.84 $6.32 4" $164.90 $448.47 $613.37 $178.32 $501.45 $679.77 4" $9.07 $9.81 6" $323.58 $996.61 $1,320.19 $349.92 $1,114.34 $1,464.26 6" $20.71 $22.40 8" $499.58 $1,708.44 $2,208.02 $540.25 $1,910.26 $2,450.51 8" $40.78 $44.10 10" $766.07 $2,705.04 $3,471.11 $828.43 $3,024.59 $3,853.02 10" $70.95 $76.73 NOTICE OF WATER RATES, FEES, AND CHARGES FOR WATER BILLED BEGINNING IN JANUARY 2026 This information reflects only changes to rates. For a comprehensive listing, see the Otay Water District’s Code of Ordinances at otaywater.gov. Si requiere asistencia en español con referencia a esta notificación, favor de llamar al 619-670-2222. Notice of Multi-Residential Water Rate Increase Otay Water District 2554 Sweetwater Springs Blvd. Spring Valley, CA 91978-2004 619-670-2222 otaywater.gov (1) Consumption is the water usage divided by the number of dwellings served. This cost varies based on water usage and can be calculated using the consumption block tables. One unit of consumption equals 748 gallons of water or one HCF (hundred cubic feet). The following example depicts the monthly variable water consumption charge based on a multi-residential property with 22 dwellings served and monthly usage of 231 HCF, or 10.5 HCF per dwelling (231 HCF ÷ 22 dwellings = 10.5 HCF per dwelling): Consumption Block Average Consumption (Units of Water per Dwelling) Water Rates ($ per unit of water) Variable Consumption Charge (per dwelling) Total Monthly Variable Water Consumption Charge* 0-9 9 x $6.61 = $59.49 10-12 1.5 x $7.15 = $10.73 13 or more 0 x $7.41 = $0.00 Total 10.5 $70.22 $1,544.84 *Variable consumption charge per dwelling times the number of dwellings served.