Public Water Partners

WALLOWA, OR · Wallowa County

WALLOWA, CITY OF Water System

Consumer Confidence Report status

WALLOWA, CITY OF 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 WALLOWA, CITY OF.

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)
OR4100930
System type
Community Water System
Population served
840
Service connections
468
Ownership
local government
Water source
groundwater (wells)

WALLOWA, CITY OF is one of 203 community water systems in Oregon in the 501 to 3,300 people size category, serving 840 people from groundwater.

As of August 1, 2026, its federal record holds 25 entries between 1976 and 2026, all of which EPA lists as closed.

Of the 25, 17 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 Consumer Confidence Rule, and inorganic chemicals.

Violation history

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    February 1, 2026 – February 28, 2026

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2025 – August 27, 2025

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2024 – July 30, 2024

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2023 – July 14, 2023

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2021 – December 31, 2021

    Resolved

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    February 1, 2020 – February 29, 2020

    Resolved

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    January 1, 2020 – January 31, 2020

    Resolved

  • Monitoring, Regular

    —

    Nitrite

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    August 1, 2016 – August 31, 2016

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2015 – July 31, 2015

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2008 – December 31, 2008

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2006 – December 31, 2006

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2004 – April 22, 2010

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2003 – April 22, 2010

    Resolved

  • Consumer Confidence Report Inadequate Reporting

    —

    Consumer Confidence Rule

    October 19, 2002 – March 24, 2003

    Resolved

  • Consumer Confidence Report Inadequate Reporting

    —

    Consumer Confidence Rule

    October 19, 2001 – March 24, 2003

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    September 16, 2001 – September 6, 2011

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 1997 – December 31, 1997

    Resolved

  • Monitoring, Repeat Major (TCR)

    —

    Coliform (TCR)

    September 1, 1994 – September 30, 1994

    Resolved

  • Initial Tap Sampling for Pb and Cu

    —

    Lead and Copper Rule

    July 1, 1994 – September 6, 2011

    Resolved

  • Initial Tap Sampling for Pb and Cu

    —

    Lead and Copper Rule

    January 1, 1994 – September 6, 2011

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    November 1, 1991 – November 30, 1991

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    November 1, 1991 – November 30, 1991

    Archived

  • Monitoring, Regular

    —

    Combined Radium (-226 and -228)

    June 1, 1976 – May 31, 1980

    Archived

  • Monitoring, Regular

    —

    Gross Alpha, Excl. Radon and U

    June 1, 1976 – May 31, 1980

    Archived

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 WALLOWA, CITY OF required to publish a Consumer Confidence Report?

Yes. WALLOWA, CITY OF 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 WALLOWA, CITY OF’s next Consumer Confidence Report due?

WALLOWA, CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does WALLOWA, CITY OF have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for WALLOWA, CITY OF.

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

WALLOWA, CITY OF

541-886-2422

WALLOWA, OR 97885