YONCALLA, OR · Douglas County
YONCALLA, CITY OF Water System
Consumer Confidence Report status
YONCALLA, 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 2 items for YONCALLA, CITY OF that are open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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)
- OR4100958
- System type
- Community Water System
- Population served
- 1,050
- Service connections
- 598
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
YONCALLA, CITY OF is one of 203 community water systems in Oregon in the 501 to 3,300 people size category, serving 1,050 people from surface water.
As of August 1, 2026, its federal record holds 188 entries between 1976 and 2025, of which 2 remain open; none are health-based.
Of the 188, 159 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 Surface Water Treatment Rules, volatile organic chemicals, and the Total Coliform Rules.
Violation history
Consumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2025
UnaddressedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
July 1, 2025 – July 31, 2025
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2025
UnaddressedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2025 – July 31, 2025
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2025 – July 31, 2025
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2024 – June 14, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
February 1, 2024 – February 29, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
February 1, 2024 – February 29, 2024
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
February 1, 2024 – February 29, 2024
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2023 – July 20, 2023
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
March 1, 2022 – March 31, 2022
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
March 1, 2022 – March 31, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
March 1, 2022 – March 31, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
March 1, 2022 – March 31, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
November 1, 2021 – November 30, 2021
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
November 1, 2021 – November 30, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
November 1, 2021 – November 30, 2021
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
July 1, 2020 – July 31, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2020 – July 31, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2020 – July 31, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2018 – October 31, 2018
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
October 1, 2018 – October 31, 2018
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2018 – October 31, 2018
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2018 – May 31, 2018
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
May 1, 2018 – May 31, 2018
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2018 – May 31, 2018
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
March 1, 2018 – March 31, 2018
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
February 1, 2018 – February 28, 2018
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
February 1, 2018 – February 28, 2018
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
February 1, 2018 – February 28, 2018
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
January 1, 2018 – January 31, 2018
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 2018 – January 31, 2018
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 2018 – January 31, 2018
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2017 – October 31, 2017
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
October 1, 2017 – October 31, 2017
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2017 – October 31, 2017
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2016 – December 31, 2016
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
December 1, 2016 – December 31, 2016
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2016 – December 31, 2016
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2016 – August 31, 2016
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2016 – August 31, 2016
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
August 1, 2016 – August 31, 2016
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
June 1, 2016 – June 30, 2016
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 2016 – June 30, 2016
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 2016 – June 30, 2016
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
February 1, 2016 – February 29, 2016
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
February 1, 2016 – February 29, 2016
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
February 1, 2016 – February 29, 2016
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2015 – December 31, 2015
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2015 – December 31, 2015
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
December 1, 2015 – December 31, 2015
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2015 – May 31, 2015
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2015 – May 31, 2015
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
May 1, 2015 – May 31, 2015
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
December 1, 2014 – December 31, 2014
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2014 – December 31, 2014
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2014 – December 31, 2014
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2013 – October 31, 2013
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2013 – October 31, 2013
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
October 1, 2013 – October 31, 2013
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 2013 – June 30, 2013
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
June 1, 2013 – June 30, 2013
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 2013 – June 30, 2013
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
March 1, 2013 – March 31, 2013
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
March 1, 2013 – March 31, 2013
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
March 1, 2013 – March 31, 2013
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 2013 – January 31, 2013
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
January 1, 2013 – January 31, 2013
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 2013 – January 31, 2013
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Toluene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Benzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Styrene
January 1, 2012 – December 31, 2012
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2010 – June 30, 2010
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2010 – June 30, 2010
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2009 – July 31, 2009
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2009 – June 30, 2009
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2009 – June 30, 2009
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Nitrate
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Styrene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Toluene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2008 – July 31, 2008
ResolvedMonitoring, Regular
—Benzene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2008 – December 31, 2008
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
March 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Toluene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Nitrate
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Benzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Arsenic
January 1, 2005 – December 31, 2005
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2005 – August 17, 2006
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 2002 – October 31, 2002
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
June 1, 2002 – June 30, 2002
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
March 1, 2000 – March 31, 2000
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
September 1, 1997 – September 30, 1997
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
August 1, 1997 – August 31, 1997
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
June 1, 1997 – June 30, 1997
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
April 1, 1997 – April 30, 1997
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
March 1, 1997 – March 31, 1997
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
February 1, 1997 – February 28, 1997
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
January 1, 1997 – January 31, 1997
ResolvedMonitoring, Regular
—Nitrate
January 1, 1997 – December 31, 1997
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
December 1, 1996 – December 31, 1996
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
November 1, 1996 – November 30, 1996
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
August 1, 1996 – August 31, 1996
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
July 1, 1996 – July 31, 1996
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 1996 – May 31, 1996
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 1996 – April 30, 1996
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
April 1, 1996 – April 30, 1996
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
March 1, 1996 – March 31, 1996
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
March 1, 1996 – March 31, 1996
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 1995 – October 31, 1995
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
September 1, 1995 – September 30, 1995
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 1995 – September 30, 1995
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 1995 – August 31, 1995
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
August 1, 1995 – August 31, 1995
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
June 1, 1995 – June 30, 1995
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 1995 – May 31, 1995
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
May 1, 1995 – May 31, 1995
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 1995 – April 30, 1995
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
April 1, 1995 – April 30, 1995
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
March 1, 1995 – March 31, 1995
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
March 1, 1995 – March 31, 1995
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
January 1, 1995 – January 31, 1995
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 1994 – December 31, 1994
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
September 1, 1994 – September 30, 1994
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
August 1, 1994 – August 31, 1994
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 1994 – August 31, 1994
ResolvedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
July 1, 1994 – August 17, 2006
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 1994 – July 31, 1994
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
July 1, 1994 – July 31, 1994
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
April 1, 1994 – April 30, 1994
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
March 1, 1994 – March 31, 1994
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 1991 – April 30, 1991
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
ArchivedMonitoring, Regular
—Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
Archived
Unaddressed no corrective action on record yetResolved 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 |
|---|---|---|---|---|
| October 1, 2025 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Unaddressed |
| July 1, 2025 – July 31, 2025 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| July 1, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Unaddressed |
| July 1, 2025 – July 31, 2025 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2025 – July 31, 2025 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2024 – June 14, 2024 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| February 1, 2024 – February 29, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| February 1, 2024 – February 29, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| February 1, 2024 – February 29, 2024 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| July 1, 2023 – July 20, 2023 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| March 1, 2022 – March 31, 2022 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| March 1, 2022 – March 31, 2022 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| March 1, 2022 – March 31, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| March 1, 2022 – March 31, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| November 1, 2021 – November 30, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| November 1, 2021 – November 30, 2021 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| November 1, 2021 – November 30, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2020 – July 31, 2020 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| July 1, 2020 – July 31, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2020 – July 31, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2018 – October 31, 2018 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2018 – October 31, 2018 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| October 1, 2018 – October 31, 2018 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2018 – May 31, 2018 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2018 – May 31, 2018 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| May 1, 2018 – May 31, 2018 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| March 1, 2018 – March 31, 2018 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| February 1, 2018 – February 28, 2018 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| February 1, 2018 – February 28, 2018 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| February 1, 2018 – February 28, 2018 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2018 – January 31, 2018 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| January 1, 2018 – January 31, 2018 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2018 – January 31, 2018 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2017 – October 31, 2017 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2017 – October 31, 2017 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| October 1, 2017 – October 31, 2017 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| December 1, 2016 – December 31, 2016 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| December 1, 2016 – December 31, 2016 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| December 1, 2016 – December 31, 2016 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2016 – August 31, 2016 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2016 – August 31, 2016 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2016 – August 31, 2016 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| June 1, 2016 – June 30, 2016 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| June 1, 2016 – June 30, 2016 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| June 1, 2016 – June 30, 2016 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| February 1, 2016 – February 29, 2016 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| February 1, 2016 – February 29, 2016 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| February 1, 2016 – February 29, 2016 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| December 1, 2015 – December 31, 2015 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| December 1, 2015 – December 31, 2015 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| December 1, 2015 – December 31, 2015 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| May 1, 2015 – May 31, 2015 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2015 – May 31, 2015 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2015 – May 31, 2015 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| December 1, 2014 – December 31, 2014 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| December 1, 2014 – December 31, 2014 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| December 1, 2014 – December 31, 2014 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2013 – October 31, 2013 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2013 – October 31, 2013 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2013 – October 31, 2013 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| June 1, 2013 – June 30, 2013 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| June 1, 2013 – June 30, 2013 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| June 1, 2013 – June 30, 2013 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| March 1, 2013 – March 31, 2013 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| March 1, 2013 – March 31, 2013 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| March 1, 2013 – March 31, 2013 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| January 1, 2013 – January 31, 2013 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2013 – January 31, 2013 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| January 1, 2013 – January 31, 2013 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 2010 – June 30, 2010 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2010 – June 30, 2010 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2009 – July 31, 2009 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| April 1, 2009 – June 30, 2009 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2009 – June 30, 2009 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| July 1, 2008 – July 31, 2008 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| March 1, 2007 – March 31, 2007 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2005 – August 17, 2006 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| October 1, 2002 – October 31, 2002 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 2002 – June 30, 2002 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| March 1, 2000 – March 31, 2000 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 1997 – September 30, 1997 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| August 1, 1997 – August 31, 1997 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| June 1, 1997 – June 30, 1997 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| April 1, 1997 – April 30, 1997 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| March 1, 1997 – March 31, 1997 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| February 1, 1997 – February 28, 1997 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| January 1, 1997 – January 31, 1997 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Nitrate | — | Resolved |
| December 1, 1996 – December 31, 1996 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| November 1, 1996 – November 30, 1996 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 1996 – August 31, 1996 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| July 1, 1996 – July 31, 1996 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| May 1, 1996 – May 31, 1996 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 1996 – April 30, 1996 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 1996 – April 30, 1996 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| March 1, 1996 – March 31, 1996 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| March 1, 1996 – March 31, 1996 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| October 1, 1995 – October 31, 1995 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 1995 – September 30, 1995 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| September 1, 1995 – September 30, 1995 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 1995 – August 31, 1995 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 1995 – August 31, 1995 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| June 1, 1995 – June 30, 1995 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| May 1, 1995 – May 31, 1995 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 1995 – May 31, 1995 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| April 1, 1995 – April 30, 1995 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 1995 – April 30, 1995 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| March 1, 1995 – March 31, 1995 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| March 1, 1995 – March 31, 1995 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| January 1, 1995 – January 31, 1995 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| December 1, 1994 – December 31, 1994 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 1994 – September 30, 1994 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| August 1, 1994 – August 31, 1994 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| August 1, 1994 – August 31, 1994 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 1994 – August 17, 2006 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
| July 1, 1994 – July 31, 1994 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 1994 – July 31, 1994 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| April 1, 1994 – April 30, 1994 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| March 1, 1994 – March 31, 1994 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| April 1, 1991 – April 30, 1991 | Monitoring, Routine Major (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 |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- September 8, 2025State Compliance achieved3 linked violations
- June 14, 2024State Compliance achieved1 linked violation
- April 5, 2024State Compliance achieved3 linked violations
- July 20, 2023State Compliance achieved1 linked violation
- July 10, 2022State Compliance achieved3 linked violations
- May 10, 2022State Compliance achieved3 linked violations
- April 25, 2022State Public Notification requested1 linked violation
- January 10, 2022State Compliance achieved3 linked violations
- January 10, 2022State Compliance achieved3 linked violations
- September 8, 2020State Compliance achieved3 linked violations
- December 10, 2018State Compliance achieved3 linked violations
- July 9, 2018State Compliance achieved3 linked violations
- April 18, 2018State Compliance achieved1 linked violation
- April 4, 2018State Compliance achieved6 linked violations
- December 6, 2017State Compliance achieved3 linked violations
- February 9, 2017State Compliance achieved3 linked violations
- October 10, 2016State Compliance achieved3 linked violations
- August 5, 2016State Compliance achieved3 linked violations
- April 7, 2016State Compliance achieved3 linked violations
- February 8, 2016State Compliance achieved3 linked violations
- July 9, 2015State Compliance achieved3 linked violations
- February 5, 2015State Compliance achieved3 linked violations
- December 9, 2013State Compliance achieved3 linked violations
- August 7, 2013State Compliance achieved3 linked violations
- May 8, 2013State Compliance achieved1 linked violation
- May 8, 2013State Compliance achieved1 linked violation
- May 8, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved8 linked violations
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved2 linked violations
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved1 linked violation
- March 28, 2013State Compliance achieved1 linked violation
- March 6, 2013State Compliance achieved1 linked violation
- March 6, 2013State Compliance achieved1 linked violation
- March 6, 2013State Compliance achieved1 linked violation
- February 26, 2013State Violation/Reminder Notice3 linked violations
- February 4, 2013State Violation/Reminder Notice21 linked violations
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- December 6, 2010State Compliance achieved1 linked violation
- September 9, 2010State Compliance achieved1 linked violation
- September 9, 2010State Compliance achieved1 linked violation
- August 2, 2010State Violation/Reminder Notice2 linked violations
- March 8, 2010State Compliance achieved1 linked violation
- February 22, 2010State Violation/Reminder Notice22 linked violations
- December 28, 2009State Violation/Reminder Notice2 linked violations
- December 7, 2009State Compliance achieved2 linked violations
- December 7, 2009State Compliance achieved2 linked violations
- December 7, 2009State Compliance achieved2 linked violations
- December 7, 2009State Compliance achieved2 linked violations
- August 31, 2009State Violation/Reminder Notice2 linked violations
- September 5, 2008State Compliance achieved1 linked violation
- August 8, 2007State Compliance achieved2 linked violations
- June 7, 2007State Compliance achieved24 linked violations
- May 4, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved2 linked violations
- January 1, 2007State Compliance achieved2 linked violations
- January 1, 2007State Compliance achieved3 linked violations
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved3 linked violations
- January 1, 2007State Compliance achieved3 linked violations
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved3 linked violations
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved2 linked violations
- January 1, 2007State Compliance achieved2 linked violations
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- January 1, 2007State Compliance achieved1 linked violation
- December 5, 2002State Compliance achieved1 linked violation
- August 3, 2001State Compliance achieved3 linked violations
- August 3, 2001State Compliance achieved2 linked violations
- August 3, 2001State Compliance achieved2 linked violations
- January 29, 1999State Public Notification received1 linked violation
- March 16, 1998State Public Notification received9 linked violations
- October 10, 1995State Compliance achieved1 linked violation
- May 19, 1994State Administrative/Compliance Order with penalty issued1 linked violation
Common questions
Is YONCALLA, CITY OF required to publish a Consumer Confidence Report?
- Yes. YONCALLA, 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 YONCALLA, CITY OF’s next Consumer Confidence Report due?
- YONCALLA, CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does YONCALLA, CITY OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 2 items for YONCALLA, CITY OF that are open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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
YONCALLA, CITY OF
541-849-2152
YONCALLA, OR 97499