Public water system record

Yurok - Weitchpec

On record as serving Humboldt County, CA · Serves 120 people

Federal records show 9 health-based violations and 39 monitoring/reporting issues for Yurok - Weitchpec in the last ten years. The most serious issue in this window was a resolved Interim Enhanced Surface Water Treatment Rule violation.

  • 090605006
  • KLAMATH
  • CA
  • 120 served

System profile

Source water Surface water
ZIP 95548
EPA system ID 090605006

Verify this system on EPA ECHO →

Health-based violations, last 10 years
9
Resolved
9
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
39

Key facts

  • Yurok - Weitchpec draws water from 1 surface water intake.
  • Record on file since 1991, with 10 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 33 service lines.

Check whether Yurok - Weitchpec 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
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Jan 1, 2025 Resolved Yes
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Dec 1, 2024 Resolved Yes
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Nov 1, 2024 Resolved Yes
Surface Water Treatment Rule
Treatment technique failure
120 Mar 1, 2019 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Feb 1, 2019 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Jan 1, 2019 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Dec 1, 2018 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Jul 19, 2018 Resolved No
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
210 Jun 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
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2024 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2023 Resolved
Chlorine
Monitoring and reporting
Jul 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2023 Resolved
Chlorine
Monitoring and reporting
Jan 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2017 Resolved

Full record since 1991

EPA's records for Yurok - Weitchpec go back to 1991. Before October 19, 2016 they list 10 health-based violations (10 resolved) and 452 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 7 240
2000s 1 144
2010 to October 18, 2016 2 68
October 19, 2016 to 2019 6 15
2020s 3 24

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began March 2010, Resolved.

Show all 10 health-based violations before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
Mar 1, 2010 Resolved
Surface Water Treatment Rule
Treatment technique failure
Feb 1, 2010 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Feb 1, 2002 Resolved
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Oct 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Mar 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1992 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Apr 1, 1991 Resolved

What the violations mean

Surface Water Treatment Rule

5 incidents

The system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).

The utility had to notify customers about each of these violations.

Interim Enhanced Surface Water Treatment Rule

3 incidents

The system did not meet a filtration or treatment requirement for surface water

Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through

Stage 1 Disinfection Byproducts Rule

1 incident

The system did not meet a treatment requirement of the Stage 1 Disinfectants and Disinfection Byproducts Rule

Byproducts form when disinfectants react with natural material in water. Long-term exposure above federal limits may increase cancer risk

Where the water comes from

Yurok - Weitchpec draws water from 1 surface water intake.

Annual water quality report

Yurok - Weitchpec 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.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Yurok - Weitchpec for a copy.

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 EPA Region 9.