Brentwood water and sewer rates
At typical use (8.2 units, about 6,100 gallons a month), a Brentwood house pays about $80 a month for water and about $93 for sewer: about $2,080 a year. Estimated from public rates, not anyone's actual bill.
Who supplies water to Brentwood houses, what it costs, and how the sewer charge works.
Pay or manage it
Missouri American Water (St. Louis County)
The Rate W Water & Sewer Infrastructure Replacement Surcharge (WSIRA) is effective Aug. 15, 2026.
| Use a month | Price per 1,000 gallons |
|---|---|
| Fixed charge | $12.00 a month |
| 0 to more | $11.13 |
Sewer
For metered homes, MSD bills a base charge plus a volume charge based on winter-quarter water use in CCF.
Ways to pay less
- Sewer lateral repair program. Repairs up to $4,250 will be paid by City of Brentwood; property owner pays for repairs exceeding $4,250. How: Contact Brentwood Public Works and complete the Sewer Lateral Repair Program application.
Sources
Checked October 31, 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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