Naperville water and sewer rates
At typical use (7.5 units, about 5,600 gallons a month), a Naperville house pays about $69 a month for water and about $45 for sewer: about $1,360 a year. Estimated from public rates, not anyone's actual bill.
Who supplies water to Naperville houses, what it costs, and how the sewer charge works.
City of Naperville Water Utility
City of Naperville Water Utility
| Use a month | Price per unit (CCF, 748 gallons) |
|---|---|
| Fixed charge | $13.07 a month |
| 0 to more | $7.46 |
- Supplier
- The wholesale water rate on customer bills is a direct pass-through of the water rate charged by the DuPage Water Commission (DWC), the City of Naperville's water supplier.
Sewer
Fixed monthly customer charge and a volumetric charge per HCF.
Sources
Checked October 30, 2026. Every number here comes from the public sources listed, matched by our checker.
Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.
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