Public water system record

Arbuckle Public Utility District

Serves Arbuckle, Colusa County, CA · 2,778 people served

Federal records show no health-based violations and 4 monitoring/reporting issues for Arbuckle Public Utility District in the last ten years. At least one of these issues remains unresolved.

  • CA0610001
  • ARBUCKLE
  • CA
  • 2,778 served

System profile

Source water Groundwater
ZIP 95912
EPA system ID CA0610001

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
4

Key facts

  • Arbuckle Public Utility District draws water from 4 wells.
  • Most recent formal enforcement: compliance order (no penalty) by California, September 2025.
  • Record on file since 1992, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 588 unknown out of 957 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 REVISIONS
RPT
Jul 2, 2025 Active
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2022 Resolved

Full record since 1992

EPA's records for Arbuckle Public Utility District go back to 1992. Before October 19, 2016 they list 3 health-based violations (3 resolved) and no monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 3 0
2020s 0 4

Most recent health-based violation before October 19, 2016: Total Coliform, began October 1994, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Oct 1, 1994 Resolved
Total Coliform
Contaminant limit exceeded
Sep 1, 1994 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 1992 Resolved

Enforcement actions

California regulators took 1 formal enforcement action against Arbuckle Public Utility District in 2025, filed as 2 records in EPA's data. The most recent was a compliance order (no penalty) in September 2025.

Date By Action Violations covered
Sep 24, 2025 California Compliance order (no penalty) 2 violations: Revised Total Coliform Rule

Where the water comes from

Arbuckle Public Utility District draws water from 4 wells.

Annual water quality report

Arbuckle Public Utility 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.