Public water system record

Chester Public U.D.

Serves Chester, Plumas County, CA · 2,187 people served

Federal records show 1 health-based violation and no monitoring/reporting issues for Chester Public U.D. in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.

  • CA3210009
  • CHESTER
  • CA
  • 2,187 served

System profile

Source water Groundwater
ZIP 96020
EPA system ID CA3210009

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
0

Key facts

  • Chester Public U.D. draws water from 4 wells.
  • Most recent formal enforcement: compliance order (no penalty) by California, December 2021.
  • Record on file since 2002, with 5 health-based violations before October 19, 2016.
  • Lead pipe inventory: 1 lead and 0 unknown out of 1,272 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
Revised Total Coliform Rule
Contaminant limit exceeded
110 Oct 1, 2021 Resolved Yes

Full record since 2002

EPA's records for Chester Public U.D. go back to 2002. Before October 19, 2016 they list 5 health-based violations (5 resolved) and no monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 3 0
2010 to October 18, 2016 2 0
2020s 1 0

Most recent health-based violation before October 19, 2016: Total Coliform, began October 2013, Resolved.

Show all 5 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Oct 1, 2013 Resolved
Total Coliform
Contaminant limit exceeded
Sep 1, 2013 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 2006 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 2002 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 2002 Resolved

Enforcement actions

California regulators took 2 formal enforcement actions against Chester Public U.D. and issued 1 boil water order between 2013 and 2021. The most recent was a compliance order (no penalty) in December 2021.

Date By Action Violations covered
Dec 17, 2021 California Compliance order (no penalty) 1 violation (1 health-based): Revised Total Coliform Rule
Nov 1, 2021 California Boil water order 1 violation (1 health-based): Revised Total Coliform Rule
Dec 30, 2013 California Compliance order (no penalty) 2 violations (2 health-based): Total Coliform

What the violations mean

Revised Total Coliform Rule

1 incident

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Where the water comes from

Chester Public U.D. draws water from 4 wells.

Annual water quality report

Chester Public U.D. 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.