Tap Truth EPA drinking water records, in plain English

Public water system record

Willow Creek C.S.D.

Serves Willow Creek, Humboldt County, CA · 1,298 people served

Federal records show 2 health-based violations and 2 monitoring/reporting issues for Willow Creek C.S.D. in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • CA1210015
  • WILLOW CREEK
  • CA
  • 1,298 served

System profile

Source water Groundwater under direct influence
ZIP 95573
EPA system ID CA1210015

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
1
Unresolved
1
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • Willow Creek C.S.D. draws water from 5 wells.
  • Most recent formal enforcement: compliance order (no penalty) by California, June 2019.
  • Record on file since 1993, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 646 unknown out of 945 service lines.

Check whether Willow Creek C.S.D. serves your address

Address suggestions by Mapbox

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
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
 350 Oct 17, 2024 Active No
Revised Total Coliform Rule
Treatment technique failure
 110 Jun 18, 2019 Resolved No

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
LEAD AND COPPER RULE REVISIONS
RPT
 Oct 17, 2024 Active

Full record since 1993

EPA's records for Willow Creek C.S.D. go back to 1993. Before October 19, 2016 they list 1 health-based violation (1 resolved) and no monitoring or reporting violations.

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

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began June 1993, Resolved.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
 Jun 1, 1993 Resolved

Enforcement actions

California regulators took 2 formal enforcement actions against Willow Creek C.S.D. between 1994 and 2019. The most recent was a compliance order (no penalty) in June 2019.

Date By Action Violations covered
Jun 13, 2019 California Compliance order (no penalty) 1 violation (1 health-based): Revised Total Coliform Rule
Dec 30, 1994 California Signed compliance agreement 1 violation (1 health-based): Surface Water Treatment Rule

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

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

Willow Creek C.S.D. draws water from 5 wells.

Annual water quality report

Willow Creek C.S.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.

Certified drinking water labs by state EPA guidance for private wells