Public water system record

Lower Lake County Water District

Serves Lower Lake, Lake County, CA · 1,326 people served

Federal records show no health-based violations and 1 monitoring/reporting issue for Lower Lake County Water District in the last ten years.

  • CA1710010
  • LOWER LAKE
  • CA
  • 1,326 served

System profile

Source water Groundwater
ZIP 95457
EPA system ID CA1710010

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
1

Key facts

  • Lower Lake County Water District draws water from 8 wells (1 of them for emergency, seasonal or other part-time use).
  • Most recent formal enforcement: compliance order (no penalty) by California, January 2025.
  • Record on file since 1980, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 841 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.

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
Monitoring and reporting
Oct 1, 2024 Resolved

Full record since 1980

EPA's records for Lower Lake County Water District go back to 1980. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 6 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 5
1990s 1 1
2020s 0 1

Most recent health-based violation before October 19, 2016: Total Coliform, began October 1997, Resolved.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Oct 1, 1997 Resolved

Enforcement actions

California regulators took 1 formal enforcement action against Lower Lake County Water District in 2025. The most recent was a compliance order (no penalty) in January 2025.

Date By Action Violations covered
Jan 7, 2025 California Compliance order (no penalty) 1 violation: Lead and Copper Rule

Where the water comes from

Lower Lake County Water District draws water from 8 wells (1 of them for emergency, seasonal or other part-time use).

Annual water quality report

Lower Lake County Water District 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.