PRAIRIE CITY, OR · Grant County

PRAIRIE CITY 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): OR4100673
System type: Community Water System
Population served: 841
Service connections: 443
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring and Reporting (DBP)
—
TTHM
October 1, 2025 – December 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2025 – June 30, 2025
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2025 – June 30, 2025
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – July 16, 2024
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Styrene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Toluene
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2016 – May 31, 2016
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2015 – April 30, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2015 – April 30, 2015
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2013 – June 30, 2013
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2012 – June 30, 2012
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
May 1, 2011 – May 31, 2011
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2011 – April 30, 2011
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2010 – September 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2010 – September 30, 2010
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2009 – April 30, 2009
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2009 – April 30, 2009
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 2007 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2007 – June 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2003 – November 30, 2003
Resolved
Failure to Filter (SWTR)
Health-based
Surface Water Treatment Rule
April 1, 2001 – March 6, 2006
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
July 1, 2000 – November 14, 2005
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1997 – December 31, 1997
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 1995 – July 31, 1995
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
April 1, 1995 – April 30, 1995
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 1992 – December 31, 1992
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 1992 – December 31, 1992
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1992 – August 31, 1992
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1992 – February 29, 1992
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
November 1, 1991 – November 30, 1991
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
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

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

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2025 – December 31, 2025	Monitoring and Reporting (DBP)	TTHM	—	Archived
June 1, 2025 – June 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2025 – June 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2024 – July 16, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Styrene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
July 1, 2018 – September 30, 2018	Monitoring, Regular	Toluene	—	Resolved
May 1, 2016 – May 31, 2016	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
April 1, 2015 – April 30, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2015 – April 30, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2013 – June 30, 2013	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring and Reporting (DBP)	TTHM	—	Resolved
May 1, 2011 – May 31, 2011	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
April 1, 2011 – April 30, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2009 – April 30, 2009	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2009 – April 30, 2009	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2007 – December 31, 2007	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Arsenic	—	Resolved
November 1, 2003 – November 30, 2003	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
April 1, 2001 – March 6, 2006	Failure to Filter (SWTR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 2000 – November 14, 2005	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
January 1, 1997 – December 31, 1997	Monitoring, Regular	Nitrate	—	Resolved
July 1, 1995 – July 31, 1995	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
April 1, 1995 – April 30, 1995	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 1992 – December 31, 1992	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
December 1, 1992 – December 31, 1992	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
August 1, 1992 – August 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 1992 – February 29, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 1991 – November 30, 1991	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 1991 – November 30, 1991	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Archived
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

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

Enforcement actions

August 8, 2025State Compliance achieved3 linked violations
July 16, 2024State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved1 linked violation
July 24, 2023State Compliance achieved2 linked violations
July 24, 2023State Compliance achieved2 linked violations
July 24, 2023State Compliance achieved1 linked violation
November 26, 2018State Compliance achieved1 linked violation
May 18, 2018State Compliance achieved2 linked violations
April 9, 2014State Compliance achieved2 linked violations
September 12, 2013State Compliance achieved3 linked violations
September 29, 2012State Compliance achieved2 linked violations
August 8, 2011State Compliance achieved2 linked violations
June 28, 2011State Violation/Reminder Notice2 linked violations
June 20, 2011State Public Notification requested2 linked violations
June 8, 2011State Compliance achieved2 linked violations
May 23, 2011State Violation/Reminder Notice2 linked violations
October 26, 2010State Violation/Reminder Notice4 linked violations
February 6, 2008State Compliance achieved3 linked violations
December 19, 2007State Administrative/Compliance Order with penalty issued1 linked violation
March 6, 2006State Compliance achieved1 linked violation
March 6, 2006State Administrative/Compliance Order with penalty issued1 linked violation
November 14, 2005State Compliance achieved3 linked violations
December 20, 2004State Public Notification received3 linked violations
July 6, 2004State Public Notification received16 linked violations
March 29, 2004State Public Notification received2 linked violations
April 28, 2003State Public Notification received6 linked violations
November 7, 2001State Bilateral Compliance Agreement signed1 linked violation
February 24, 1998State Public Notification received1 linked violation
January 1, 1998State Compliance achievedgeneral compliance action — not tied to a specific violation on record

Contact

PRAIRIE CITY

541-820-3636

PRAIRIE CITY, OR 97869