PENDLETON, OR · Umatilla County

MCKAY ACRES IMPROVEMENT DIST Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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): OR4100616
System type: Community Water System
Population served: 75
Service connections: 27
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Source Water (GWR)
—
E. COLI
November 18, 2024 – January 7, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2024 – January 31, 2024
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
November 26, 2023 – March 1, 2024
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
November 12, 2023 – March 1, 2024
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2023 – August 6, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – July 3, 2023
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
December 26, 2021 – February 10, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2017 – April 30, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 28, 2014 – January 30, 2014
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
December 4, 2013 – February 10, 2014
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2013 – November 30, 2013
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2009 – October 31, 2009
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
September 1, 2009 – September 30, 2009
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2008 – November 30, 2008
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
October 1, 2008 – October 31, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2008 – September 30, 2008
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2003 – November 30, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2002 – July 31, 2002
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
May 1, 2002 – May 31, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2002 – May 31, 2002
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
May 1, 2002 – May 31, 2002
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
September 1, 1997 – September 30, 1997
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
June 1, 1993 – June 30, 1993
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 1992 – July 31, 1992
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 1991 – July 31, 1991
Resolved
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)

Period	Violation	Contaminant / rule	Health-based	Status
November 18, 2024 – January 7, 2025	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
January 1, 2024 – January 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
November 26, 2023 – March 1, 2024	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
November 12, 2023 – March 1, 2024	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
October 1, 2023 – August 6, 2024	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2023 – July 3, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
December 26, 2021 – February 10, 2022	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
April 1, 2017 – April 30, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 28, 2014 – January 30, 2014	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 4, 2013 – February 10, 2014	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
November 1, 2013 – November 30, 2013	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2009 – October 31, 2009	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 2009 – September 30, 2009	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2008 – November 30, 2008	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2008 – October 31, 2008	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 2008 – September 30, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2003 – November 30, 2003	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2002 – July 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2002 – May 31, 2002	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2002 – May 31, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 2002 – May 31, 2002	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 1997 – September 30, 1997	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 1993 – June 30, 1993	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 1992 – July 31, 1992	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 1991 – July 31, 1991	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 1976 – May 31, 1980	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
June 1, 1976 – May 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

March 1, 2024State Compliance achieved2 linked violations
July 3, 2023State Compliance achieved2 linked violations
February 10, 2022State Compliance achieved1 linked violation
February 10, 2014State Compliance achieved2 linked violations
February 10, 2014State Compliance achieved2 linked violations
December 4, 2009State Compliance achieved2 linked violations
January 7, 2009State Compliance achieved3 linked violations
December 22, 2003State Compliance achieved3 linked violations
June 5, 2002State Compliance achieved2 linked violations
January 22, 2002State Compliance achieved2 linked violations
August 1, 2001State Compliance achieved2 linked violations
August 1, 2001State Compliance achieved3 linked violations
August 1, 2001State Compliance achieved3 linked violations
August 1, 2001State Compliance achieved3 linked violations
August 1, 2001State Compliance achieved2 linked violations
August 1, 2001State Compliance achieved2 linked violations
August 1, 2001State Compliance achieved2 linked violations
October 20, 1995State Public Notification received1 linked violation
November 19, 1994State Public Notification received1 linked violation

Contact

MCKAY ACRES IMPROVEMENT DIST

541-379-2182

PENDLETON, OR 97801