SMARTVALVE

Water Rates in Phoenix, AZ

The City of Phoenix Water Services serves Phoenix with a complex rate structure. Understanding your tiers and sewer multiplier is the first step to mitigating an unexpectedly high bill.

Effective Blended Rate

$13.14/kGal

Rate Structure

1 Tiers

winter average Sewer

Last Verified

Mar 2026

Official Rate Card ↗

Volumetric Water Tiers

TierUsage Range (kGal)Rate / kGal
Flat Rate (Medium Season)First $7.55

Sewer & Infrastructure Logic

Phoenix calculates sewer charges using the winter average method.

Sewer based on winter quarterly average (Jan-Mar)

Sewer Rates

0 - null kGal$5.59/kGal
Sewer Multiplier85%

Monthly Base Fees (5/8" Meter)

Water Base$4.64
Sewer Base$6.90

Local Surcharges

Environmental Charge$0.62

Flat Rate Utility

Phoenix uses a flat rate structure. You are not penalized with higher rates for using more water, but conservation still lowers your bill directly!

Water Quality Alert

Live data from EPA ECHO Database

Check your local water utility for Safe Drinking Water Act (SDWA) violations and contaminant alerts.