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Public water system record

Lake Elizabeth Mutual Water Co.

Serves Elizabeth Lake and Leona Valley, Los Angeles County, CA · 1,790 people served

Federal records show 1 health-based violation and 1 monitoring/reporting issue for Lake Elizabeth Mutual Water Co. in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • CA1910056
  • ELIZABETH LAKE
  • CA
  • 1,790 served

System profile

Source water Purchased surface water
ZIP 93532
EPA system ID CA1910056

Verify this system on EPA ECHO →

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

Key facts

  • Lake Elizabeth Mutual Water Co. draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit), 2018.
  • Most recent formal enforcement: compliance order (no penalty) by California, August 2022.
  • Record on file since 1993, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 745 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 220 Apr 1, 2018 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
 Dec 1, 2021 Resolved

Full record since 1993

EPA's records for Lake Elizabeth Mutual Water Co. go back to 1993. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 1 monitoring or reporting violation.

Violations that began in Health-based Monitoring and reporting
1990s 1 1
2000s 2 0
October 19, 2016 to 2019 1 0
2020s 0 1

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2007, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.0869 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Oct 1, 2007 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.0907 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2007 Resolved
Total Coliform
Contaminant limit exceeded
 Aug 1, 1993 Resolved

Enforcement actions

California regulators took 3 formal enforcement actions against Lake Elizabeth Mutual Water Co. between 2008 and 2022. The most recent was a compliance order (no penalty) in August 2022.

Date By Action Violations covered
Aug 17, 2022 California Compliance order (no penalty) 1 violation: Long Term 2 Enhanced Surface Water Treatment Rule
Sep 27, 2018 California Compliance order (no penalty) 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Feb 29, 2008 California Compliance order (no penalty) 2 violations (2 health-based): Total Trihalomethanes (TTHMs)

What the violations mean

Total Trihalomethanes (TTHMs)

1 incident

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Lake Elizabeth Mutual Water Co. draws water from 2 wells (1 of them for emergency, seasonal or other part-time use). It also buys water from Antelope Valley East Kern Water Agency.

Buys water from

Annual water quality report

Lake Elizabeth Mutual Water Co. 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.

Certified drinking water labs by state EPA guidance for private wells