Public water system record

Los Angeles CWWD 40 Reg 4 & 34 Lancaster

Serves Lancaster, Palmdale and Desert View Highlands, Los Angeles County, CA · 208,129 people served

Federal records show no health-based violations and no monitoring or reporting issues for Los Angeles CWWD 40 Reg 4 & 34 Lancaster in the last ten years.

  • CA1910070
  • ALHAMBRA
  • CA
  • 208,129 served

System profile

Source water Purchased surface water
ZIP 91803
EPA system ID CA1910070

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

  • Los Angeles CWWD 40 Reg 4 & 34 Lancaster draws water from 43 wells (7 of them for emergency, seasonal or other part-time use).
  • Record on file since 1992, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 64,479 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 1992

EPA's records for Los Angeles CWWD 40 Reg 4 & 34 Lancaster go back to 1992. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 3 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 0
2000s 0 3

Most recent health-based violation before October 19, 2016: Total Coliform, began December 1992, Resolved.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Dec 1, 1992 Resolved

Where the water comes from

Los Angeles CWWD 40 Reg 4 & 34 Lancaster draws water from 43 wells (7 of them for emergency, seasonal or other part-time use). It also buys water from Antelope Valley East Kern Water Agency. 1 smaller public system such as schools, businesses or campgrounds buys water from Los Angeles CWWD 40 Reg 4 & 34 Lancaster. 1 other public water system has an emergency connection to Los Angeles CWWD 40 Reg 4 & 34 Lancaster.

Buys water from

Annual water quality report

Los Angeles CWWD 40 Reg 4 & 34 Lancaster 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.