Public Water Partners

YAMHILL, OR · Yamhill County

WEST YAMHILL WATER COMPANY Water System

Consumer Confidence Report status

WEST YAMHILL WATER COMPANY must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for WEST YAMHILL WATER COMPANY.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.

System facts

System ID (PWSID)
OR4101324
System type
Community Water System
Population served
56
Service connections
30
Ownership
privately owned
Water source
surface water (rivers, lakes, or reservoirs)

WEST YAMHILL WATER COMPANY is one of 1,168 community water systems in Oregon in the 500 or fewer people size category, serving 56 people from surface water.

As of August 1, 2026, its federal record holds 33 entries between 1991 and 2025, all of which EPA lists as closed.

Of the 33, 27 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules, the Stage 2 Disinfectants and Disinfection Byproducts Rule, and the Consumer Confidence Rule.

Violation history

  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2025 – September 13, 2025

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2024 – September 13, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    June 1, 2024 – June 30, 2024

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2023 – September 13, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2020 – September 30, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2020 – September 30, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2019 – September 30, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2019 – September 30, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2018 – September 30, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2018 – September 30, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2017 – September 30, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2017 – September 30, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2016 – September 30, 2017

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2016 – September 30, 2017

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    September 1, 2016 – September 30, 2016

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2015 – September 30, 2016

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2015 – September 30, 2016

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2014 – September 30, 2015

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2014 – September 30, 2015

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2010 – December 31, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2007 – April 30, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2006 – August 31, 2006

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    April 1, 2003 – April 30, 2003

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    February 1, 1999 – February 28, 1999

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 1994 – June 19, 1995

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 1993 – September 30, 1993

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    September 1, 1993 – September 30, 1993

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 1992 – November 30, 1992

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 1992 – November 30, 1992

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 1992 – October 31, 1992

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 1992 – October 31, 1992

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 1991 – August 31, 1991

    Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Common questions

Is WEST YAMHILL WATER COMPANY required to publish a Consumer Confidence Report?

Yes. WEST YAMHILL WATER COMPANY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is WEST YAMHILL WATER COMPANY’s next Consumer Confidence Report due?

WEST YAMHILL WATER COMPANY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does WEST YAMHILL WATER COMPANY have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for WEST YAMHILL WATER COMPANY.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

WEST YAMHILL WATER COMPANY

503-515-4624

YAMHILL, OR 97148