The current water rates and charges were adopted by the Tucson's Mayor and Council on May 22, 2018, and became effective July 1, 2019.
NOTICE: On October 19, 2021, the City of Tucson Mayor and Council voted to implement a differential rate structure for Tucson Water customers located in unincorporated Pima County. These rates went into effect December 1, 2021. Click here to view detail on these rate changes.
Additional Rates Information:
Single-Family Class
Per 100 cubic feet (Ccf)
(1 Ccf = 748 Gallons)
| Usage (Ccf) | Average Monthly Bill |
|---|---|
| 0 | $16.33 |
| 5 | $30.68 |
| 8 (overall average) | $41.04 |
| 9 | $45.66 |
| 10 | $50.28 |
| 16 | $82.57 |
| 31 | $224.96 |
| 45 | $417.18 |
| 60 | $623.13 |
All amounts shown are before tax. Taxes billed are turned over to the taxing authority and are not revenues of Tucson Water. Current tax rates are: 2.6%, City of Tucson; 6.1%, State of Arizona 
; 4.5%, Town of Marana ; 4.0%, Town of Oro Valley 5.5%, City of South Tucson .
About Single Family
- Most of Tucson Water's customers are in the single-family class.
- Single-family customers tend to be low-volume water users.
- About 80% of customers in this class use 10 Ccf (7,480 gallons) or less of water on average monthly.
Usage Charges
Per 100 cubic feet (Ccf)
(1 Ccf = 748 Gallons)
| Customer Class / Charge Categories | Charge per Ccf |
|---|---|
| Residential Block Rates | |
| Single Family | |
| 1 – 7 Ccf | $2.07 |
| 8 – 15 Ccf | $3.82 |
| 16 – 30 Ccf | $8.39 |
| Over 30 Ccf | $12.93 |
| Duplex-Triplex | |
| 1 – 10 Ccf | $2.07 |
| 11 – 20 Ccf | $3.82 |
| 21 – 35 Ccf | $8.39 |
| Over 35 Ccf | $12.93 |
Guide to Usage Charges
Inclining Block Rates
As the water volume usage block increases, the unit price or rate for the block increases.
Monthly Service Charge
Flat rate paid by customer, regardless of the amount of water used.
| Meter Size | Rates |
|---|---|
| 5/8 inch * | $16.33 ** |
| 3/4 inch | $22.03 |
| 1 inch | $33.42 |
| 1-1/2 inch | $61.91 |
| 2 inch | $96.09 |
| 2-1/2 inch | $141.67 |
| 3 inch | $187.24 |
| 4 inch | $318.27 |
| 6 inch | $646.43 |
| 8 inch | $973.44 |
| 10 inch | $1,486.18 |
| 12 inch | $2,454.68 |
Guide to Monthly Service Charge
* Size serving most single-family homes.
** Service charge increased $1.33 per month on July 1, 2019 (proportionately larger increases apply for larger meters).
Recovers the costs of:
- Meter reading.
- Meter maintenance and replacement.
- Billing.
- A portion of distribution system (pipeline) maintenance.
- A portion of the capital costs associated with CAP water and public fire protection.
Other Charges
Per 100 cubic feet (Ccf)
(1 Ccf = 748 Gallons)
| Charge | Charge per Ccf |
|---|---|
| Central Arizona Project (CAP) | $0.70 |
| Conservation Fee | $0.10 |
Guide to Other Charges
CAP charge
Pays charges assessed by (Central Arizona Water Conservation District 
) for City's allocation of CAP water
Conservation Fee
Dedicated funding to recover Utility's conservation efforts
(first effective July 7, 2008)