Colton water and sewer rates
Who supplies water to Colton houses, what it costs, and how the sewer charge works.
City of Colton
City of Colton water rates effective July 1, 2026 (Ordinance O-06-24, adopted July 16, 2024): a monthly fixed service charge by meter size plus one uniform commodity rate per HCF (748 gallons) for all customer classes.
| Use a month | Price per unit (CCF, 748 gallons) |
|---|---|
| Fixed charge | $36.75 a month |
| 0 to more | $2.89 |
- Source
- Colton's drinking water comes from seven wells drawing on the Colton/Rialto, Bunker Hill and North Riverside groundwater basins, plus an interconnection with the City of Rialto.
- Hardness
- Total hardness in Colton's water ranged from 150 to 230 mg/L (average 206.67) in the 2025 report.
- PFAS
- PFOS was found at 6 to 20 ng/L (average 13.75) in 2025, against a notification level of 4 ng/L; PFOA at 3.1 to 10 ng/L (average 5.34).
- Lead
- The 2025 lead sampling 90th percentile result was 0 ug/L; the City reports no water quality violations.
West Valley Water District
West Valley Water District, rates effective January 1, 2026, billed monthly: a monthly service charge by meter size plus three tiers per hundred cubic feet (1-10 units, 11-30 units, over 30 units).
| Use a month | Price per unit (CCF, 748 gallons) |
|---|---|
| Fixed charge | $23.82 a month |
| 0 to 10 units | $2.33 |
| 10 to 30 units | $2.54 |
| 30 to more | $2.73 |
- Source
- In 2025, 44.0% of WVWD's supply came from its own groundwater wells, 13.1% was groundwater bought from San Bernardino Valley Municipal Water District, 24.5% was Lytle Creek surface water and 18.4% was State Water Project water.
- Lead
- Lead at household taps (2024 sampling at 40 sites): 90th percentile not detected, 0 sites over the action level.
Sewer
The City of Colton charges residential customers (single-family residences, homes/mobile homes and churches) a flat monthly sewer rate per equivalent dwelling unit: $59.90 from July 1, 2026.
Ways to pay less
- Water rebates and turf removal. Colton Water Utilities pays $100 per high-efficiency toilet (limit 3), $75 for a high-efficiency washer or dishwasher, up to $150 for a weather-based irrigation timer, and $2 per square foot of lawn replaced, up to $800 per project; applications must be pre-approved before you buy or install. How: Email conservation@coltonca.gov or call 909-370-6145 for the rebate applications.
Dates
| When | What |
|---|---|
| Jul 1, 2027 | City of Colton rates scheduled from July 1, 2027: $38.95 a month for a 3/4-inch water meter, $3.06 per HCF of water and $64.70 a month for residential sewer. |
Sources
- West Valley Water District: 2025 rate study
- City of Colton Ordinance O-06-24: water rates
- City of Colton: water and wastewater billing and rates
- West Valley Water District: rates and fees, January 1, 2026
- West Valley Water District 2025 water quality report
- City of Rialto: water and sewer services
- City of Colton Ordinance O-07-24: sewer rates
- City of Colton: City Council agenda packet, July 21, 2026 (storm water fee, LLMD I and II)
- City of Colton: water rebate programs
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.