Chico water and sewer rates
Who supplies water to Chico houses, what it costs, and how the sewer charge works.
Cal Water Chico District
Cal Water residential metered service, Chico 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 | $29.29 a month |
| 0 to 6 units | $0.60 |
| 6 to 18 units | $2.40 |
| 18 to 29 units | $3.01 |
| 29 to more | $3.61 |
- Source
- Cal Water uses 57 wells to pump an average of 15.9 million gallons of groundwater per day in the Chico area.
- Hardness
- The water quality table for the service area shows an average hardness of 124 ppm.
Sewer
City of Chico single-family sewer: $29.16 fixed per unit per month plus $1.33 per HCF (hundred cubic feet), FY 2026/2027 fee schedule. The per-HCF charge is based on average winter water use (December through March), not the month's actual use. The City's rate study page says a new schedule is being considered for final adoption at a September 15, 2026 public hearing.
Pay or manage it
Sources
- www.calwater.com ch-ch-2025.pdf
- www.calwater.com 20260701_Residential_Metered_Service_CH_
- City of Chico: Sewer Rate Study
Checked October 22, 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.