Is UKIAH, CITY OF required to publish a Consumer Confidence Report?

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

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

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.

UKIAH, OR · Umatilla County

UKIAH, CITY OF Water System

Consumer Confidence Report status

UKIAH, 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 UKIAH, 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): OR4100913
System type: Community Water System
Population served: 235
Service connections: 165
Ownership: local government
Water source: groundwater (wells)

UKIAH, CITY OF is one of 1,168 community water systems in Oregon in the 500 or fewer people size category, serving 235 people from groundwater.

As of August 1, 2026, its federal record holds 67 entries between 1976 and 2023, all of which EPA lists as closed. Nothing has been added since 2023.

Of the 67, 50 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 Groundwater Rule, and the Public Notice Rule and Revised PN Rule.

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – July 3, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2020 – August 31, 2020
Resolved
Treatment Technique, Level 1 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
July 6, 2017 – August 21, 2017
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
June 5, 2017 – June 22, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 5, 2015 – January 14, 2015
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 28, 2014 – December 6, 2014
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
October 30, 2014 – February 21, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2014 – October 31, 2014
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2014 – September 30, 2014
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 14, 2014 – August 22, 2014
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
July 10, 2014 – August 8, 2014
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 2014 – July 31, 2014
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2014 – June 30, 2014
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2014 – May 31, 2014
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2014 – December 31, 2022
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2013 – December 31, 2013
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 11, 2013 – February 26, 2014
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2013 – October 31, 2013
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2013 – September 30, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2013 – August 31, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2013 – April 30, 2013
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
June 1, 2012 – June 30, 2012
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
April 1, 2012 – June 5, 2012
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2011 – October 31, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2011 – September 30, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2011 – August 31, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 21, 2011 – June 9, 2011
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 2011 – July 31, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2011 – May 31, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2010 – June 30, 2010
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
June 1, 2010 – July 20, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2010 – May 31, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2007 – August 31, 2007
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2003 – December 31, 2003
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1998 – August 31, 1998
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 22, 1998 – August 18, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1997 – December 31, 1997
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1997 – September 30, 1997
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1997 – August 31, 1997
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 1997 – March 31, 1997
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
February 1, 1997 – February 28, 1997
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
January 1, 1997 – January 31, 1997
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1996 – October 31, 1996
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1996 – August 31, 1996
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1996 – July 31, 1996
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1995 – September 30, 1995
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1995 – April 30, 1995
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1994 – May 31, 1994
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1994 – March 3, 1995
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1993 – September 30, 1993
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1993 – July 31, 1993
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1993 – June 30, 1993
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1992 – December 31, 1992
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1992 – December 31, 1992
Archived
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
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1992 – September 30, 1992
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1991 – December 31, 1991
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1991 – December 31, 1991
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1991 – November 30, 1991
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
October 1, 1991 – October 31, 1991
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1991 – August 31, 1991
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
May 1, 1991 – May 31, 1991
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
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)

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2023 – July 3, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
August 1, 2020 – August 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 6, 2017 – August 21, 2017	Treatment Technique, Level 1 Assessment (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
June 5, 2017 – June 22, 2017	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
January 5, 2015 – January 14, 2015	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
November 28, 2014 – December 6, 2014	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 30, 2014 – February 21, 2015	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
October 1, 2014 – October 31, 2014	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 2014 – September 30, 2014	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 14, 2014 – August 22, 2014	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 10, 2014 – August 8, 2014	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
July 1, 2014 – July 31, 2014	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 2014 – June 30, 2014	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 2014 – May 31, 2014	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2014 – December 31, 2022	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
December 1, 2013 – December 31, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 11, 2013 – February 26, 2014	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2013 – October 31, 2013	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 2013 – September 30, 2013	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 2013 – August 31, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2013 – April 30, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 2012 – June 30, 2012	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
April 1, 2012 – June 5, 2012	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
October 1, 2011 – October 31, 2011	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 2011 – August 31, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 21, 2011 – June 9, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2011 – July 31, 2011	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
May 1, 2011 – May 31, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2010 – June 30, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2010 – July 20, 2010	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
May 1, 2010 – May 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2007 – August 31, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Nitrate	—	Resolved
August 1, 1998 – August 31, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 22, 1998 – August 18, 2006	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
December 1, 1997 – December 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 1997 – September 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 1997 – August 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
March 1, 1997 – March 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 1997 – February 28, 1997	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 1997 – January 31, 1997	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 1996 – October 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 1996 – August 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1996 – July 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Nitrate	—	Resolved
September 1, 1995 – September 30, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 1995 – April 30, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 1994 – May 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1994 – March 3, 1995	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
September 1, 1993 – September 30, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1993 – July 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 1993 – June 30, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 1992 – December 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 1992 – December 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
November 1, 1992 – November 30, 1992	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
November 1, 1992 – November 30, 1992	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 1992 – September 30, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 1991 – December 31, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
December 1, 1991 – December 31, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 1991 – November 30, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 1991 – October 31, 1991	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
August 1, 1991 – August 31, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 1991 – May 31, 1991	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 1976 – May 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
June 1, 1976 – May 31, 1980	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived

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

Enforcement actions

July 3, 2023State Compliance achieved1 linked violation
February 3, 2023State Compliance achieved1 linked violation
September 14, 2020State Compliance achieved1 linked violation
August 21, 2017State Compliance achieved1 linked violation
June 22, 2017State Compliance achieved1 linked violation
February 21, 2015State Compliance achieved1 linked violation
January 14, 2015State Public Notification received1 linked violation
January 14, 2015State Compliance achieved1 linked violation
January 14, 2015State Compliance achieved1 linked violation
January 14, 2015State Public Notification received1 linked violation
January 8, 2015State Compliance achieved1 linked violation
January 8, 2015State Compliance achieved1 linked violation
January 8, 2015State Compliance achieved1 linked violation
January 8, 2015State Compliance achieved1 linked violation
December 6, 2014State Compliance achieved1 linked violation
November 25, 2014State Public Notification requested1 linked violation
October 28, 2014State Public Notification requested1 linked violation
September 10, 2014State Compliance achieved1 linked violation
August 22, 2014State Public Notification received1 linked violation
August 22, 2014State Compliance achieved1 linked violation
August 22, 2014State Public Notification received1 linked violation
August 8, 2014State Compliance achieved1 linked violation
July 25, 2014State Public Notification requested1 linked violation
June 13, 2014State Public Notification requested1 linked violation
February 26, 2014State Compliance achieved2 linked violations
February 10, 2014State Compliance achieved1 linked violation
December 9, 2013State Compliance achieved1 linked violation
December 9, 2013State Compliance achieved1 linked violation
October 11, 2013State Public Notification requested1 linked violation
May 24, 2013State Compliance achieved1 linked violation
July 30, 2012State Violation/Reminder Notice1 linked violation
July 30, 2012State Compliance achieved1 linked violation
June 26, 2012State Violation/Reminder Notice2 linked violations
June 5, 2012State Compliance achieved1 linked violation
November 29, 2011State Violation/Reminder Notice2 linked violations
November 10, 2011State Compliance achieved1 linked violation
November 10, 2011State Compliance achieved3 linked violations
November 10, 2011State Compliance achieved1 linked violation
October 24, 2011State Public Notification requested2 linked violations
October 19, 2011State Public Notification received1 linked violation
September 2, 2011State Public Notification received3 linked violations
June 20, 2011State Public Notification requested64 linked violations
June 9, 2011State Compliance achieved4 linked violations
August 18, 2006State Compliance achieved3 linked violations
August 26, 2004State Compliance achieved1 linked violation
August 26, 2004State Compliance achieved2 linked violations
March 4, 2004State Compliance achieved2 linked violations
November 13, 1998State Administrative/Compliance Order with penalty issued8 linked violations
September 11, 1998State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 1, 1997State Public Notification received3 linked violations
October 10, 1997State Administrative/Compliance Order with penalty issued15 linked violations
July 3, 1997State Formal Notice of Violation issued14 linked violations
January 30, 1997State Public Notification received2 linked violations
October 27, 1996State Public Notification received1 linked violation
March 19, 1996State Compliance achieved1 linked violation
October 23, 1995State Public Notification received5 linked violations
October 11, 1995State Formal Notice of Violation issued1 linked violation
March 3, 1995State Compliance achieved1 linked violation
November 4, 1994State Formal Notice of Violation issued3 linked violations

Common questions

Is UKIAH, CITY OF required to publish a Consumer Confidence Report?: Yes. UKIAH, 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 UKIAH, CITY OF’s next Consumer Confidence Report due?: UKIAH, CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does UKIAH, CITY OF have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for UKIAH, 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

UKIAH, CITY OF

541-427-3900

UKIAH, OR 97880