SMARTVALVE

Water Rates in Chicago, IL

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

Effective Blended Rate

$9.76/kGal

Rate Structure

1 Tiers

percentage of_water Sewer

Last Verified

Mar 2026

Official Rate Card ↗

Volumetric Water Tiers

TierUsage Range (kGal)Rate / kGal
Flat RateFirst $4.88

Sewer & Infrastructure Logic

Chicago calculates sewer charges using the percentage of water method.

Sewer is 100% of the water charge

Sewer Multiplier100%

Monthly Base Fees (5/8" Meter)

Water Base$5.82
Sewer Base$0.00

Flat Rate Utility

Chicago 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.