Casper water and sewer rates
At typical use (9 units, about 6,700 gallons a month), a Casper house pays about $40 a month for water and about $53 for sewer: about $1,110 a year. Estimated from public rates, not anyone's actual bill.
Who supplies water to Casper houses, what it costs, and how the sewer charge works.
City of Casper Utilities
Inside city limits; effective January 1, 2026
| Use a month | Price per 1,000 gallons |
|---|---|
| Fixed charge | $11.54 a month |
| 0 to 1.5 thousand gallons | $0.00 |
| 1.5 to 2 thousand gallons | $5.44 |
| 2 to more | $5.43 |
- Source
- 66% ground water and 34% surface water.
- Wells
- Ground water is pumped from the North Platte River alluvial aquifer via 29 wells.
- 2025 report
- 2025 results: Casper water meets or exceeds all quality standards.
Sewer
The City averages water use in January, February and March for sewer billing.
How Casper compares with nearby cities
Water, a month
Water only, at each city's typical use; sewer is left out because some cities bill it on the tax bill.
Sources
Checked October 28, 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.
Water bill in other Wyoming cities
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