SUMPTER, OR · Baker County
SUMPTER, 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)
- OR4100845
- System type
- Community Water System
- Population served
- 208
- Service connections
- 299
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring and Reporting (DBP)
—TTHM
April 1, 2025 – June 30, 2025
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2025 – June 30, 2025
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2024 – April 3, 2025
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2024 – July 31, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2024 – July 31, 2024
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2023 – March 31, 2023
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2023 – March 31, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
November 1, 2022 – November 30, 2022
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
November 1, 2022 – November 30, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
November 1, 2022 – November 30, 2022
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
November 1, 2020 – November 30, 2020
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
October 1, 2020 – October 31, 2020
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2020 – September 30, 2020
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2020 – September 30, 2020
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
June 1, 2020 – June 30, 2020
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
November 22, 2019 – December 12, 2019
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2019 – December 31, 2019
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2019 – October 31, 2019
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2019 – October 31, 2019
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
October 1, 2019 – October 31, 2019
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 1, 2019 – December 31, 2019
ResolvedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
September 1, 2019 – September 30, 2019
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 2019 – September 30, 2019
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 2019 – September 30, 2019
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
September 1, 2019 – September 30, 2019
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
August 15, 2019 – May 14, 2020
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
August 1, 2019 – August 31, 2019
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2019 – August 31, 2019
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2019 – August 31, 2019
ResolvedTreatment Technique No Certif. Operator
Health-basedStage 1 Disinfectants and Disinfection Byproducts Rule
July 15, 2019 – May 14, 2020
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2019 – September 30, 2019
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2019 – September 30, 2019
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 2019 – June 30, 2019
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 2019 – June 30, 2019
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
June 1, 2019 – June 30, 2019
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2019 – June 30, 2019
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2019 – June 30, 2019
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Nitrate
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Benzene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Toluene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Styrene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2019 – December 31, 2019
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2018 – December 31, 2018
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
August 1, 2018 – August 31, 2018
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2018 – June 30, 2018
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2018 – June 30, 2018
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2017 – June 30, 2017
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2017 – December 31, 2019
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2017 – March 31, 2017
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2017 – March 31, 2017
ResolvedMonitoring, Regular
—Endrin
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Dalapon
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Diquat
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Endothall
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Glyphosate
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Simazine
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Picloram
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Atrazine
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—LASSO
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—2,4-D
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Chlordane
January 1, 2017 – December 31, 2019
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2016 – June 30, 2016
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
April 1, 2015 – April 30, 2015
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2015 – April 30, 2015
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2015 – April 30, 2015
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
May 1, 2014 – May 31, 2014
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2014 – May 31, 2014
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2014 – May 31, 2014
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2013 – August 31, 2013
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2013 – August 31, 2013
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
August 1, 2013 – August 31, 2013
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
August 1, 2012 – August 31, 2012
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2012 – August 31, 2012
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2012 – August 31, 2012
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
May 1, 2012 – May 31, 2012
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
May 1, 2012 – May 31, 2012
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2012 – May 31, 2012
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2012 – May 31, 2012
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
March 1, 2012 – March 31, 2012
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 2011 – September 30, 2011
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
September 1, 2011 – September 30, 2011
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2011 – September 30, 2011
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 2011 – August 31, 2011
ResolvedMonitoring, Regular
—Arsenic
January 1, 2011 – December 31, 2011
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2010 – December 31, 2010
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 2010 – October 31, 2010
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2010 – September 30, 2010
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
May 1, 2010 – May 31, 2010
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
May 1, 2010 – May 31, 2010
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2010 – May 31, 2010
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 2010 – April 30, 2010
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 2010 – February 28, 2010
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2009 – December 31, 2009
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
December 1, 2009 – December 31, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2009 – December 31, 2009
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
November 1, 2009 – November 30, 2009
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
November 1, 2009 – November 30, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 2009 – October 31, 2009
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2009 – January 31, 2009
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2009 – January 31, 2009
ResolvedMonitoring, Regular
—Arsenic
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Nitrate
January 1, 2006 – December 31, 2006
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2005 – March 31, 2005
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2004 – April 30, 2004
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
March 1, 2004 – March 31, 2004
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2003 – May 31, 2003
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2002 – December 31, 2002
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 2002 – September 30, 2002
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
August 1, 2002 – August 31, 2002
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2001 – August 31, 2001
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 2001 – June 30, 2001
ResolvedMonitoring, Regular
—Nitrate
January 1, 2001 – December 31, 2001
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
February 1, 2000 – February 29, 2000
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 1998 – April 30, 1998
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 1997 – July 31, 1997
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
July 1, 1997 – July 31, 1997
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 1997 – June 30, 1997
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 1997 – May 31, 1997
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 1997 – April 30, 1997
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
March 1, 1997 – March 31, 1997
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 1996 – September 30, 1996
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 1996 – August 31, 1996
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 1996 – July 31, 1996
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 1996 – June 30, 1996
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
March 1, 1996 – March 31, 1996
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
February 1, 1996 – February 29, 1996
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 1995 – September 30, 1995
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 1995 – July 31, 1995
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 1995 – May 31, 1995
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
February 1, 1995 – February 28, 1995
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 1995 – January 31, 1995
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 1994 – August 31, 1994
ResolvedFailure to Filter (SWTR)
Health-basedSurface Water Treatment Rule
January 1, 1992 – August 22, 2002
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
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 |
|---|---|---|---|---|
| April 1, 2025 – June 30, 2025 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| April 1, 2025 – June 30, 2025 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2024 – April 3, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2024 – July 31, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2024 – July 31, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2023 – March 31, 2023 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2023 – March 31, 2023 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| November 1, 2022 – November 30, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| November 1, 2022 – November 30, 2022 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| November 1, 2022 – November 30, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| November 1, 2020 – November 30, 2020 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| October 1, 2020 – October 31, 2020 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| July 1, 2020 – September 30, 2020 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2020 – September 30, 2020 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| June 1, 2020 – June 30, 2020 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| November 22, 2019 – December 12, 2019 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| October 1, 2019 – December 31, 2019 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| October 1, 2019 – October 31, 2019 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2019 – October 31, 2019 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2019 – October 31, 2019 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| October 1, 2019 – December 31, 2019 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| September 1, 2019 – September 30, 2019 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| September 1, 2019 – September 30, 2019 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 2019 – September 30, 2019 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 2019 – September 30, 2019 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| August 15, 2019 – May 14, 2020 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| August 1, 2019 – August 31, 2019 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| August 1, 2019 – August 31, 2019 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2019 – August 31, 2019 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 15, 2019 – May 14, 2020 | Treatment Technique No Certif. Operator | Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-based | Resolved |
| July 1, 2019 – September 30, 2019 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2019 – September 30, 2019 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| June 1, 2019 – June 30, 2019 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| June 1, 2019 – June 30, 2019 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| June 1, 2019 – June 30, 2019 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| April 1, 2019 – June 30, 2019 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2019 – June 30, 2019 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| August 1, 2018 – August 31, 2018 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| April 1, 2018 – June 30, 2018 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| April 1, 2018 – June 30, 2018 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Chlordane | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2015 – April 30, 2015 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| 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 |
| May 1, 2014 – May 31, 2014 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| May 1, 2014 – May 31, 2014 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2014 – May 31, 2014 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2013 – August 31, 2013 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2013 – August 31, 2013 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2013 – August 31, 2013 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| August 1, 2012 – August 31, 2012 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| August 1, 2012 – August 31, 2012 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2012 – August 31, 2012 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2012 – May 31, 2012 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 2012 – May 31, 2012 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| May 1, 2012 – May 31, 2012 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2012 – May 31, 2012 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| March 1, 2012 – March 31, 2012 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 2011 – September 30, 2011 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 2011 – September 30, 2011 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| September 1, 2011 – September 30, 2011 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 2011 – August 31, 2011 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2011 – December 31, 2011 | Monitoring, Regular | Arsenic | — | Resolved |
| December 1, 2010 – December 31, 2010 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2010 – October 31, 2010 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 2010 – September 30, 2010 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 2010 – May 31, 2010 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| May 1, 2010 – May 31, 2010 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 2010 – May 31, 2010 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 2010 – April 30, 2010 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| February 1, 2010 – February 28, 2010 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| December 1, 2009 – December 31, 2009 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| December 1, 2009 – December 31, 2009 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| December 1, 2009 – December 31, 2009 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 2009 – November 30, 2009 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| November 1, 2009 – November 30, 2009 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2009 – October 31, 2009 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2009 – January 31, 2009 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2009 – January 31, 2009 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2005 – March 31, 2005 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| April 1, 2004 – April 30, 2004 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| March 1, 2004 – March 31, 2004 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 2003 – May 31, 2003 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| December 1, 2002 – December 31, 2002 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 2002 – September 30, 2002 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2002 – August 31, 2002 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 2001 – August 31, 2001 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| June 1, 2001 – June 30, 2001 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | Nitrate | — | Resolved |
| February 1, 2000 – February 29, 2000 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 1998 – April 30, 1998 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 1997 – July 31, 1997 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 1997 – July 31, 1997 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| June 1, 1997 – June 30, 1997 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 1997 – May 31, 1997 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 1997 – April 30, 1997 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| March 1, 1997 – March 31, 1997 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 1996 – September 30, 1996 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 1996 – August 31, 1996 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 1996 – July 31, 1996 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| June 1, 1996 – June 30, 1996 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| March 1, 1996 – March 31, 1996 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| February 1, 1996 – February 29, 1996 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 1995 – September 30, 1995 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 1995 – July 31, 1995 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 1995 – May 31, 1995 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| February 1, 1995 – February 28, 1995 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 1995 – January 31, 1995 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 1994 – August 31, 1994 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 1992 – August 22, 2002 | Failure to Filter (SWTR) | Surface Water Treatment Rule | Health-based | 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
- April 3, 2025State Compliance achieved2 linked violations
- June 21, 2023State Compliance achieved3 linked violations
- January 10, 2023State Compliance achieved4 linked violations
- January 29, 2021State Compliance achieved3 linked violations
- January 7, 2021State Public Notification received2 linked violations
- November 18, 2020State Public Notification requested2 linked violations
- October 21, 2020State Compliance achieved3 linked violations
- May 14, 2020State Compliance achieved3 linked violations
- April 1, 2020State Compliance achieved6 linked violations
- March 24, 2020State Compliance achieved51 linked violations
- December 12, 2019State Compliance achieved5 linked violations
- December 10, 2019State Compliance achieved6 linked violations
- October 22, 2019State Public Notification requested1 linked violation
- August 29, 2019State Administrative/Compliance Order with penalty issued1 linked violation
- August 2, 2019State Compliance achieved3 linked violations
- July 15, 2019State Public Notification requested1 linked violation
- April 1, 2019State Compliance achieved2 linked violations
- September 11, 2018State Compliance achieved1 linked violation
- September 7, 2018State Compliance achieved2 linked violations
- September 28, 2017State Compliance achieved4 linked violations
- September 2, 2016State Compliance achieved2 linked violations
- June 3, 2015State Compliance achieved3 linked violations
- October 7, 2013State Compliance achieved4 linked violations
- October 17, 2012State Compliance achieved2 linked violations
- October 9, 2012State Compliance achieved2 linked violations
- October 1, 2012State Violation/Reminder Notice4 linked violations
- July 3, 2012State Compliance achieved2 linked violations
- July 3, 2012State Compliance achieved3 linked violations
- April 16, 2012State Compliance achieved3 linked violations
- November 8, 2011State Compliance achieved2 linked violations
- November 8, 2011State Compliance achieved2 linked violations
- October 21, 2011State Compliance achieved2 linked violations
- October 21, 2011State Compliance achieved2 linked violations
- September 26, 2011State Violation/Reminder Notice3 linked violations
- January 5, 2011State Compliance achieved2 linked violations
- November 29, 2010State Violation/Reminder Notice3 linked violations
- August 2, 2010State Violation/Reminder Notice4 linked violations
- March 22, 2010State Violation/Reminder Notice3 linked violations
- January 25, 2010State Violation/Reminder Notice3 linked violations
- February 6, 2008State Compliance achieved49 linked violations
- April 19, 2002State Compliance achieved2 linked violations
- July 17, 2001State Compliance achieved3 linked violations
- July 17, 2001State Compliance achieved4 linked violations
- January 22, 2001State Public Notification received2 linked violations
- June 9, 2000State Public Notification received3 linked violations
- March 16, 2000State Public Notification received2 linked violations
- December 3, 1999State Public Notification received1 linked violation
- September 30, 1999State Public Notification received1 linked violation
- June 17, 1999State Public Notification received1 linked violation
- March 9, 1999State Public Notification received2 linked violations
- September 10, 1998State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- April 21, 1998State Public Notification received2 linked violations
- January 14, 1998State Public Notification received1 linked violation
- December 31, 1997State Public Notification received1 linked violation
- November 25, 1997State Public Notification received1 linked violation
- October 1, 1997State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- August 11, 1997State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- August 11, 1997State Public Notification received4 linked violations
- August 5, 1997State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- August 3, 1997State Public Notification received2 linked violations
- May 5, 1997State Public Notification received3 linked violations
- February 5, 1997State Public Notification received2 linked violations
- October 14, 1996State Public Notification received2 linked violations
- August 8, 1996State Public Notification received3 linked violations
- July 24, 1996State Public Notification received2 linked violations
- July 31, 1995State Public Notification received2 linked violations
Contact
SUMPTER, CITY OF
541-894-2314
SUMPTER, OR 97877