St. Peters water and sewer rates
At typical use (6.7 units, about 5,000 gallons a month), a St. Peters house pays about $30 a month for water and about $24 for sewer: about $650 a year. Estimated from public rates, not anyone's actual bill.
Who supplies water to St. Peters houses, what it costs, and how the sewer charge works.
Pay or manage it
City of St. Peters water
Rates effective Oct. 1, 2026; 5/8-inch meter.
| Use a month | Price per 1,000 gallons |
|---|---|
| Fixed charge | $16.37 a month |
| 0 to more | $2.64 |
- Source
- Water comes from groundwater wells.
Sewer
Residential sewer charges are based on the average water used during the winter months and recalculated every spring.
Ways to pay less
- Sewer lateral repair program. St. Peters residents pay a $28 annual assessment with real estate taxes. The Sewer Lateral Repair Program provides a maximum of $10,000 per household. How: Submit an application with a receipt for cleaning your lateral, your last paid real estate tax receipt, and a $500 application fee.
Sources
- City water bill page
- 2025 water quality report
- Sewer lateral program FAQ
- Water service line program FAQ
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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