Public Water Partners

SAN JOSE, CA · Los Angeles County

CALIFORNIA WATER SERVICE CO. - HERM/REDO Water System

Consumer Confidence Report status

CALIFORNIA WATER SERVICE CO. - HERM/REDO 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 CALIFORNIA WATER SERVICE CO. - HERM/REDO.

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)
CA1910134
System type
Community Water System
Population served
96,853
Service connections
26,845
Ownership
privately owned
Water source
surface water (rivers, lakes, or reservoirs)

CALIFORNIA WATER SERVICE CO. - HERM/REDO is one of 376 community water systems in California in the 10,001 to 100,000 people size category, serving 96,853 people from surface water.

As of August 1, 2026, its federal record holds 1 entry in 1995, all of which EPA lists as closed. Nothing has been added since 1995.

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 Total Coliform Rules.

Violation history

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1995 – August 31, 1995

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Common questions

Is CALIFORNIA WATER SERVICE CO. - HERM/REDO required to publish a Consumer Confidence Report?

Yes. CALIFORNIA WATER SERVICE CO. - HERM/REDO 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 CALIFORNIA WATER SERVICE CO. - HERM/REDO’s next Consumer Confidence Report due?

CALIFORNIA WATER SERVICE CO. - HERM/REDO’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does CALIFORNIA WATER SERVICE CO. - HERM/REDO have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for CALIFORNIA WATER SERVICE CO. - HERM/REDO.

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

JAMES, SOPHIE

408-367-8593

SAN JOSE, CA 95112