NYSSA, OR · Malheur County

NYSSA, CITY OF 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): OR4100579
System type: Community Water System
Population served: 3,285
Service connections: 1,126
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2025 – June 30, 2025
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – July 17, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2024 – May 31, 2024
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2023 – December 4, 2023
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – December 4, 2023
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2022 – September 30, 2023
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2022 – September 30, 2023
Resolved
Monitoring, Regular
—
Arsenic
April 1, 2019 – June 30, 2019
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2019 – December 31, 2019
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 25, 2018 – April 1, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2018 – September 30, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2018 – June 30, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2018 – March 31, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2017 – December 31, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 31, 2017 – July 19, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2017 – September 30, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
June 3, 2017 – June 28, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2017 – June 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2017 – March 31, 2017
Resolved
Failure to Conduct Assessment Monitoring
—
COLIPHAGE
January 1, 2017 – December 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2016 – December 31, 2016
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 27, 2016 – September 23, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2016 – September 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2016 – June 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2016 – March 31, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2015 – December 31, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2015 – September 30, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2015 – June 30, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2015 – March 31, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Arsenic
October 1, 2014 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2014 – September 30, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2014 – June 30, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2014 – March 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2013 – December 31, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2013 – September 30, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2013 – June 30, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2013 – March 31, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2012 – December 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2012 – September 30, 2012
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 24, 2012 – June 27, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2012 – June 30, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
March 1, 2009 – March 31, 2009
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2008 – September 30, 2008
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2007 – September 30, 2007
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Nitrate
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 2006 – August 31, 2006
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2005 – October 31, 2005
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2001 – December 31, 2001
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
April 1, 2000 – April 30, 2000
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
April 1, 2000 – April 30, 2000
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 1998 – January 31, 1998
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 1997 – August 31, 1997
Resolved
Monitoring, Regular
—
Nitrite
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 1995 – September 30, 1995
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
June 1, 1995 – June 30, 1995
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 1995 – May 31, 1995
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1994 – February 16, 1996
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
June 1, 2025 – June 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2024 – July 17, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
May 1, 2024 – May 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2023 – December 4, 2023	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2023 – December 4, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2022 – September 30, 2023	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2022 – September 30, 2023	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2019 – June 30, 2019	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Nitrate	—	Resolved
November 25, 2018 – April 1, 2019	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2018 – September 30, 2018	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2018 – June 30, 2018	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2018 – March 31, 2018	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2017 – December 31, 2017	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
August 31, 2017 – July 19, 2019	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
June 3, 2017 – June 28, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2017 – June 30, 2017	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2017 – March 31, 2017	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2017 – December 31, 2017	Failure to Conduct Assessment Monitoring	COLIPHAGE	—	Resolved
October 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
August 27, 2016 – September 23, 2016	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2016 – September 30, 2016	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2016 – June 30, 2016	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2015 – March 31, 2015	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2014 – December 31, 2014	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2014 – December 31, 2014	Monitoring, Regular	Arsenic	—	Resolved
July 1, 2014 – September 30, 2014	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2014 – June 30, 2014	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2014 – March 31, 2014	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2013 – December 31, 2013	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
July 1, 2013 – September 30, 2013	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2013 – June 30, 2013	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2013 – March 31, 2013	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2012 – December 31, 2012	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
July 1, 2012 – September 30, 2012	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
May 24, 2012 – June 27, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
March 1, 2009 – March 31, 2009	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 2008 – September 30, 2008	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring, Regular	Nitrate	—	Resolved
June 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Nitrate	—	Resolved
August 1, 2006 – August 31, 2006	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2005 – October 31, 2005	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 2004 – December 31, 2004	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Nitrate	—	Resolved
April 1, 2000 – April 30, 2000	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2000 – April 30, 2000	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 1998 – January 31, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
August 1, 1997 – August 31, 1997	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Nitrite	—	Resolved
September 1, 1995 – September 30, 1995	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 1995 – June 30, 1995	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 1995 – May 31, 1995	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1994 – February 16, 1996	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	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

August 9, 2025State Compliance achieved1 linked violation
October 8, 2024State Compliance achieved2 linked violations
July 17, 2024State Compliance achieved1 linked violation
July 10, 2024State Compliance achieved1 linked violation
December 4, 2023State Compliance achieved2 linked violations
December 29, 2020State Compliance achieved1 linked violation
July 19, 2019State Compliance achieved1 linked violation
July 19, 2019State Compliance achieved28 linked violations
April 1, 2019State Compliance achieved1 linked violation
March 29, 2019State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
January 7, 2019State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
January 6, 2019State Compliance achieved1 linked violation
October 25, 2018State Public Notification requested1 linked violation
August 8, 2018State Public Notification received1 linked violation
July 23, 2018State Public Notification requested1 linked violation
May 9, 2018State Administrative/Compliance Order with penalty issued32 linked violations
April 16, 2018State Public Notification requested1 linked violation
March 27, 2018State Public Notification received1 linked violation
January 29, 2018State Public Notification requested1 linked violation
December 18, 2017State Public Notification received1 linked violation
October 27, 2017State Public Notification requested1 linked violation
September 27, 2017State Public Notification received1 linked violation
July 31, 2017State Public Notification requested1 linked violation
June 28, 2017State Compliance achieved1 linked violation
June 21, 2017State Public Notification received1 linked violation
May 3, 2017State Public Notification requested1 linked violation
January 31, 2017State Public Notification requested1 linked violation
December 14, 2016State Public Notification received1 linked violation
October 26, 2016State Public Notification requested1 linked violation
September 23, 2016State Compliance achieved1 linked violation
September 16, 2016State Public Notification received1 linked violation
September 16, 2016State Compliance achieved1 linked violation
July 27, 2016State Public Notification requested1 linked violation
April 29, 2016State Public Notification requested1 linked violation
March 3, 2016State Public Notification received1 linked violation
February 3, 2016State Public Notification requested1 linked violation
December 15, 2015State Public Notification received1 linked violation
October 21, 2015State Public Notification requested1 linked violation
October 19, 2015State Public Notification received1 linked violation
July 22, 2015State Public Notification requested1 linked violation
June 8, 2015State Public Notification received1 linked violation
April 27, 2015State Public Notification requested1 linked violation
March 20, 2015State Public Notification received1 linked violation
February 16, 2015State Compliance achieved1 linked violation
January 29, 2015State Public Notification requested1 linked violation
December 17, 2014State Public Notification received1 linked violation
October 28, 2014State Public Notification requested1 linked violation
September 30, 2014State Public Notification received1 linked violation
July 25, 2014State Public Notification requested1 linked violation
June 24, 2014State Public Notification received1 linked violation
April 17, 2014State Public Notification requested1 linked violation
March 19, 2014State Public Notification received1 linked violation
January 27, 2014State Public Notification requested1 linked violation
January 8, 2014State Public Notification received1 linked violation
October 23, 2013State Public Notification received1 linked violation
October 18, 2013State Public Notification requested1 linked violation
July 18, 2013State Public Notification requested1 linked violation
July 8, 2013State Public Notification received1 linked violation
May 29, 2013State Bilateral Compliance Agreement signed25 linked violations
April 17, 2013State Public Notification requested1 linked violation
April 12, 2013State Public Notification received1 linked violation
February 4, 2013State Violation/Reminder Notice1 linked violation
January 25, 2013State Public Notification requested1 linked violation
December 31, 2012State Public Notification received1 linked violation
October 29, 2012State Violation/Reminder Notice1 linked violation
October 25, 2012State Public Notification requested1 linked violation
October 22, 2012State Public Notification received1 linked violation
August 22, 2012State Public Notification received1 linked violation
July 30, 2012State Violation/Reminder Notice1 linked violation
July 20, 2012State Public Notification requested1 linked violation
June 27, 2012State Compliance achieved1 linked violation
June 25, 2012State Violation/Reminder Notice1 linked violation
April 30, 2012State Violation/Reminder Notice1 linked violation
April 23, 2012State Public Notification requested3 linked violations
April 25, 2005State Compliance achieved1 linked violation
November 12, 2002State Compliance achieved2 linked violations
February 16, 1996State Compliance achieved1 linked violation
June 22, 1995State Public Notification received2 linked violations

Contact

NYSSA, CITY OF

541-372-2264

NYSSA, OR 97913