Oroville water and sewer rates
At typical use (9 units, about 6,700 gallons a month), a Oroville house pays about $62 a month for water and about $57 for sewer: about $1,430 a year. Estimated from public rates, not anyone's actual bill.
Who supplies water to Oroville houses, what it costs, and how the sewer charge works.
Pay or manage it
California Water Service Company, Oroville
Cal Water residential metered service, Oroville tariff area, effective 7/1/2026; 5/8 x 3/4-inch meter service charge per month.
| Use a month | Price per unit (CCF, 748 gallons) |
|---|---|
| Fixed charge | $45.47 a month |
| 0 to 6 units | $0.94 |
| 6 to 18 units | $3.74 |
| 18 to 29 units | $4.67 |
| 29 to more | $5.61 |
- Testing
- Cal Water ran 6,566 tests on 725 water samples for 213 constituents in the Oroville system in 2025 and reports it met every primary and secondary federal and state water quality standard.
Sewer
City of Oroville monthly sewer rates for 2026-27: SCOR $27.00 and City $29.83, total $56.83.
How Oroville compares with nearby cities
Water, a month
- Chico · 23 mi$40
- Oroville$62
- Grass Valley · 33 mi$71
- Lincoln · 45 mi$88
Water only, at each city's typical use; sewer is left out because some cities bill it on the tax bill.
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 California cities
Novato water billOakland water billOceanside water billOntario water billOrange water billOrinda water billOxnard water billPacific Grove water billPalm Desert water billPalm Springs water billPalmdale water billPalo Alto water billAll California cities →