SAN JOSE, CA · Butte County
CAL-WATER SERVICE CO.-CHICO Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.
System facts
- System ID (PWSID)
- CA0410002
- System type
- Community Water System
- Population served
- 114,925
- Service connections
- 30,396
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Single Sample
Health-basedTetrachloroethylene
December 1, 1998 – December 31, 1998
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 1, 1998 – December 31, 1998 | Maximum Contaminant Level Violation, Single Sample | Tetrachloroethylene | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- November 18, 2003State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- October 30, 2002State Compliance achieved16 linked violations
Contact
HENRIE, TARRAH
408-367-8490
SAN JOSE, CA 95112