WESTMINSTER, CA · Orange County
CITY OF WESTMINSTER Water System
Consumer Confidence Report status
CITY OF WESTMINSTER 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 CITY OF WESTMINSTER.
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)
- CA3010064
- System type
- Community Water System
- Population served
- 90,911
- Service connections
- 20,763
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
CITY OF WESTMINSTER is one of 376 community water systems in California in the 10,001 to 100,000 people size category, serving 90,911 people from surface water.
As of August 1, 2026, its federal record holds 1 entry in 1989, all of which EPA lists as closed. Nothing has been added since 1989.
None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Miscellaneous Other Rules.
Violation history
Notification, Public
—No contaminant on record
March 1, 1989 – March 31, 1989
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| March 1, 1989 – March 31, 1989 | Notification, Public | — | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- June 4, 1993State Formal Notice of Violation issued3 linked violations
- June 4, 1993State Compliance achieved1 linked violation
Common questions
Is CITY OF WESTMINSTER required to publish a Consumer Confidence Report?
- Yes. CITY OF WESTMINSTER 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 CITY OF WESTMINSTER’s next Consumer Confidence Report due?
- CITY OF WESTMINSTER’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CITY OF WESTMINSTER have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CITY OF WESTMINSTER.
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
NGO, JAKE
714-548-3693
WESTMINSTER, CA 92683