Public Water Partners

ROSEMEAD, CA · Los Angeles County

CAL-AM WATER COMPANY - DUARTE Water System

Consumer Confidence Report status

CAL-AM WATER COMPANY - DUARTE 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-AM WATER COMPANY - DUARTE.

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)
CA1910186
System type
Community Water System
Population served
24,773
Service connections
7,507
Ownership
privately owned
Water source
groundwater (wells)

CAL-AM WATER COMPANY - DUARTE is one of 376 community water systems in California in the 10,001 to 100,000 people size category, serving 24,773 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

No enforcement actions on record for this system.

Common questions

Is CAL-AM WATER COMPANY - DUARTE required to publish a Consumer Confidence Report?

Yes. CAL-AM WATER COMPANY - DUARTE 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-AM WATER COMPANY - DUARTE’s next Consumer Confidence Report due?

CAL-AM WATER COMPANY - DUARTE’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does CAL-AM WATER COMPANY - DUARTE have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for CAL-AM WATER COMPANY - DUARTE.

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

NIETO, CHRISTOPHER

626-614-2509

ROSEMEAD, CA 91770