Public water system record

City of Westminster

Serves Westminster, Orange County, CA · 90,911 people served

Federal records show no health-based violations and no monitoring or reporting issues for City of Westminster in the last ten years.

  • CA3010064
  • WESTMINSTER
  • CA
  • 90,911 served

System profile

Source water Purchased surface water
ZIP 92683
EPA system ID CA3010064

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • City of Westminster draws water from 9 wells.
  • Record on file since 1989, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 24,450 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

None since October 2016, and no monitoring or reporting violations either.

Full record since 1989

EPA's records for City of Westminster go back to 1989. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 1
1990s 2 0
2010 to October 18, 2016 0 1

Most recent health-based violation before October 19, 2016: Total Coliform, began April 1993, Resolved.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Apr 1, 1993 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Mar 1, 1993 Resolved

Where the water comes from

City of Westminster draws water from 9 wells. It also buys water from Metropolitan Water Dist. of So. Cal. It also has emergency connections to City of Seal Beach, City of Huntington Beach and City of Garden Grove. 5 other public water systems have emergency connections to City of Westminster.

Buys water from

Emergency or part-time connections to

Annual water quality report

City of Westminster must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by California.