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Typical Water Bill Calculation

Great Oaks Water Company bills its residential customers every two months, so the typical customer will receive 6 bills per year.   This is an example of a Water Bill based on a standard 3/4" x 3/4" single-family residential meter and a two month billing period (54 - 66 days).  Your actual bill might differ for many reasons.

Consumption in 100 cubic feet (CCF)
(Ending meter read less beginning meter read)
20 CCF*

Water Used: Before July 1, 2026 After July 1, 2026
Key Description Rate Qty Amount Rate Qty Amount
A. Monthly Serv Chg $31.01 2 $62.02 $32.49 2 $64.98
B.
Tier 1 $2.7187 12 $32.62 $2.9454 12 $35.34
Tier 2 $4.6918 8 $37.53 $5.0831 8 $40.66
Tier 3 $6.4775 0 $0.00 $7.0177 0 $0.00
C. Total (Tier1 + Tier2 + Tier3) 20 $70.15 20 $ 76.00
D.  CAP49 $0.1511 20 $3.02 expired 6/30/2026 $ 0.00
E.  PPS52 $0.1469 20 $2.94 $0.1469 20 $2.94
F.  CAP53 Starts 7/1/2026 $ 0.00 $0.1917 20 $3.83
G. Total Surcharges (D + E + F) $ 5.96 $ 6.77
H. Sub Total (A + C + G) $138.13 $147.75
I. CPUC Surcharge 0.70%
H * 0.007
$0.97 $ 1.03
J. Sub Total (H + I) $139.10 $148.78
K. 5% SJ City Tax (J * 0.05) $6.96 $7.44
L. Total Due (J + K) $146.06 $156.22

*1 ccf = 100 cubic feet = 748 gallons

49 A CAP Surcharge of $0.1511 applies to each CCF of water for non-CAP Users starting 7/1/2025.
52 A Purchased Power Surcharge of $0.1469 applies to each CCF of water starting 4/1/2026 thru 3/31/2027.
53 To provide ongoing funding for the Utility's Customer Assistance Program (CAP) as described in Tariff Rule 22, a surcharge of $ 0.1917 will be added to the quantity Charge for all water deliverd to non-CAP participants on and after July 1, 2026.
 

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