Public water system record

Llano Del Rio Water Company

Serves an area of Los Angeles County, CA · 545 people served

Federal records show 1 health-based violation and 1 monitoring/reporting issue for Llano Del Rio Water Company in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • CA1900849
  • LLANO
  • CA
  • 545 served

System profile

Source water Groundwater
ZIP 93544
EPA system ID CA1900849

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
0
Unresolved
1
Any acute record
No
Monitoring issues, last 10 years
1

Key facts

  • Llano Del Rio Water Company draws water from 2 wells.
  • Lead pipe inventory: 0 lead and 0 unknown out of 185 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.

Contaminant Rule family Start date Status Acute
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Active No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Active

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Llano Del Rio Water Company draws water from 2 wells. 1 other community water system buys water from Llano Del Rio Water Company.

Community systems that buy water from it

Annual water quality report

Llano Del Rio Water Company 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.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

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.