SAN JOSE, CA · Butte County
CAL-WATER SERVICE CO.-CHICO Water System
Consumer Confidence Report status
CAL-WATER SERVICE CO.-CHICO must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for CAL-WATER SERVICE CO.-CHICO.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
CAL-WATER SERVICE CO.-CHICO is one of 92 community water systems in California in the more than 100,000 people size category, serving 114,925 people from groundwater.
As of August 1, 2026, EPA's published records contain no violations for this system.
Violation history
No violations on record for this system.
Enforcement actions
- November 18, 2003State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- January 20, 1993State Other3 linked violations
Common questions
Is CAL-WATER SERVICE CO.-CHICO required to publish a Consumer Confidence Report?
- Yes. CAL-WATER SERVICE CO.-CHICO is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is CAL-WATER SERVICE CO.-CHICO’s next Consumer Confidence Report due?
- CAL-WATER SERVICE CO.-CHICO’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CAL-WATER SERVICE CO.-CHICO have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CAL-WATER SERVICE CO.-CHICO.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
HENRIE, TARRAH
408-367-8490
SAN JOSE, CA 95112