PARKER, PA · Armstrong County

PARKER AREA WATER AUTH 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 Pennsylvania’s official records. Always confirm current status with Pennsylvania before making decisions based on this information.

System facts

System ID (PWSID): PA5030011
System type: Community Water System
Population served: 900
Service connections: 400
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2025 – June 30, 2025
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2025 – June 30, 2025
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2025 – March 31, 2025
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2025 – March 31, 2025
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2024 – December 31, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2024 – December 31, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2024 – September 30, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2024 – June 30, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2024 – June 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
February 1, 2024 – April 26, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2024 – March 31, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2023 – December 31, 2023
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2023 – September 30, 2023
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2023 – September 30, 2023
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2023 – June 30, 2023
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2023 – March 31, 2023
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2022 – December 31, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2022 – December 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2022 – December 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2022 – December 31, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2022 – September 30, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2022 – September 30, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2022 – June 30, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2022 – June 30, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2022 – March 31, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2022 – March 31, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2021 – December 31, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2021 – September 30, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2021 – June 30, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 11, 2020 – May 15, 2020
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 11, 2020 – May 15, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2020 – March 31, 2020
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2020 – March 31, 2020
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2019 – December 31, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2019 – September 30, 2019
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 10, 2019 – October 7, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2019 – September 30, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2019 – June 30, 2019
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2019 – March 31, 2019
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
January 1, 2019 – March 31, 2019
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2019 – March 31, 2019
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2018 – December 20, 2018
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2018 – December 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2018 – December 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2018 – December 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2018 – September 30, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2018 – August 31, 2018
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
August 1, 2018 – March 5, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2018 – July 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2018 – September 30, 2018
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2018 – September 30, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2018 – June 30, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2018 – May 31, 2018
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
December 1, 2017 – October 18, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2017 – December 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2017 – December 31, 2017
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
October 1, 2017 – October 18, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2017 – September 30, 2017
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
August 1, 2017 – October 23, 2018
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
June 1, 2017 – November 29, 2017
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
February 1, 2017 – November 29, 2017
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2015 – September 30, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2014 – August 31, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2014 – July 31, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2014 – June 30, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2014 – May 31, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2014 – April 30, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2014 – March 31, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2014 – February 28, 2014
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
January 1, 2014 – March 31, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2013 – November 30, 2013
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2013 – October 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2013 – June 30, 2013
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2013 – April 30, 2013
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2013 – June 30, 2013
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2012 – September 30, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2012 – July 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2012 – September 30, 2012
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2012 – September 30, 2012
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2012 – September 30, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2012 – June 30, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2012 – May 31, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2012 – April 30, 2012
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2012 – June 30, 2012
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2012 – June 30, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2012 – March 31, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2012 – February 29, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2012 – January 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2012 – March 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2012 – March 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2012 – March 31, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2011 – December 31, 2011
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2011 – December 31, 2011
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2011 – November 30, 2011
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2011 – December 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2011 – December 31, 2011
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2011 – September 30, 2011
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2011 – August 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2011 – September 30, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 11, 2011 – September 21, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Pentachlorophenol
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
2,4-D
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Picloram
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Endothall
April 1, 2011 – June 30, 2011
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2011 – April 30, 2011
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2011 – March 31, 2011
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2011 – March 31, 2011
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2011 – February 28, 2011
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2011 – March 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2011 – March 31, 2011
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
December 1, 2010 – December 31, 2010
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 10, 2010 – August 17, 2012
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2010 – September 30, 2010
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2010 – August 31, 2010
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
July 1, 2010 – September 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2010 – September 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2010 – June 30, 2010
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 2010 – April 30, 2010
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2009 – December 31, 2009
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2009 – December 31, 2009
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2009 – November 30, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2009 – December 31, 2009
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2009 – September 30, 2009
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2009 – September 30, 2009
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2009 – July 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2009 – September 30, 2009
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2009 – July 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2009 – April 30, 2009
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2009 – April 30, 2009
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2009 – March 31, 2009
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2009 – March 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2009 – March 31, 2009
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2008 – October 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2008 – December 31, 2008
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2008 – September 30, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2008 – September 30, 2008
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
July 1, 2008 – July 31, 2008
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2008 – June 30, 2008
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2008 – June 30, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2008 – June 30, 2008
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2008 – March 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2008 – March 31, 2008
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2008 – January 31, 2008
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2007 – December 31, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2007 – December 31, 2007
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2007 – November 30, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2007 – November 30, 2007
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2007 – October 31, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2007 – October 31, 2007
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2007 – July 31, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2007 – July 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2007 – August 20, 2007
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2007 – March 31, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2007 – February 28, 2007
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2007 – February 28, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2006 – November 30, 2006
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2006 – November 30, 2006
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2006 – October 31, 2006
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2006 – October 31, 2006
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2005 – April 30, 2005
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2005 – April 30, 2005
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Benzene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Toluene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Styrene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – March 31, 1993
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 1990 – December 31, 1990
Resolved
Monitoring, Regular
—
Nitrate
June 26, 1986 – June 25, 1987
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
June 1, 2025 – June 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2025 – June 30, 2025	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2025 – March 31, 2025	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2025 – March 31, 2025	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2024 – September 30, 2024	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2024 – June 30, 2024	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2024 – June 30, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
February 1, 2024 – April 26, 2024	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 2024 – March 31, 2024	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2023 – December 31, 2023	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2023 – March 31, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2022 – December 31, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2022 – December 31, 2022	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2022 – December 31, 2022	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2022 – September 30, 2022	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2022 – September 30, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2022 – June 30, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2022 – June 30, 2022	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2022 – March 31, 2022	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2022 – March 31, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2021 – December 31, 2021	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2021 – September 30, 2021	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2021 – June 30, 2021	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
May 11, 2020 – May 15, 2020	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
May 11, 2020 – May 15, 2020	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2020 – March 31, 2020	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
January 1, 2020 – March 31, 2020	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
October 1, 2019 – December 31, 2019	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
September 1, 2019 – September 30, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 10, 2019 – October 7, 2019	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2019 – September 30, 2019	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2019 – March 31, 2019	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2018 – December 20, 2018	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	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
September 1, 2018 – September 30, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2018 – August 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2018 – March 5, 2019	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2018 – July 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2018 – September 30, 2018	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2018 – September 30, 2018	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
June 1, 2018 – June 30, 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
December 1, 2017 – October 18, 2018	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
December 1, 2017 – December 31, 2017	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2017 – December 31, 2017	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2017 – October 18, 2018	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
September 1, 2017 – September 30, 2017	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2017 – October 23, 2018	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
June 1, 2017 – November 29, 2017	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
February 1, 2017 – November 29, 2017	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
September 1, 2015 – September 30, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2014 – August 31, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2014 – July 31, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2014 – June 30, 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
April 1, 2014 – April 30, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2014 – March 31, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2014 – February 28, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
November 1, 2013 – November 30, 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
April 1, 2013 – June 30, 2013	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2013 – April 30, 2013	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2013 – June 30, 2013	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 2012 – July 31, 2012	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring and Reporting (DBP)	TTHM	—	Resolved
June 1, 2012 – June 30, 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
April 1, 2012 – April 30, 2012	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
March 1, 2012 – March 31, 2012	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2012 – February 29, 2012	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2012 – January 31, 2012	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring and Reporting (DBP)	TTHM	—	Resolved
December 1, 2011 – December 31, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2011 – December 31, 2011	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2011 – November 30, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2011 – December 31, 2011	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
October 1, 2011 – December 31, 2011	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
September 1, 2011 – September 30, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2011 – August 31, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
May 11, 2011 – September 21, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	2,4-D	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Picloram	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Endothall	—	Resolved
April 1, 2011 – April 30, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2011 – March 31, 2011	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2011 – March 31, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2011 – February 28, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2011 – March 31, 2011	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2011 – March 31, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
December 1, 2010 – December 31, 2010	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
November 10, 2010 – August 17, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
September 1, 2010 – September 30, 2010	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2010 – August 31, 2010	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2010 – September 30, 2010	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
July 1, 2010 – September 30, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2010 – April 30, 2010	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	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 of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2009 – November 30, 2009	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2009 – December 31, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
September 1, 2009 – September 30, 2009	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2009 – September 30, 2009	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2009 – July 31, 2009	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2009 – July 31, 2009	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2009 – April 30, 2009	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2009 – April 30, 2009	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2009 – March 31, 2009	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2009 – March 31, 2009	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2009 – March 31, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2008 – October 31, 2008	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
September 1, 2008 – September 30, 2008	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2008 – September 30, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2008 – July 31, 2008	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 2008 – June 30, 2008	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
June 1, 2008 – June 30, 2008	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
March 1, 2008 – March 31, 2008	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2008 – March 31, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2008 – January 31, 2008	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2007 – December 31, 2007	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
December 1, 2007 – December 31, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2007 – November 30, 2007	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2007 – November 30, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2007 – October 31, 2007	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2007 – October 31, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2007 – July 31, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2007 – July 31, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2007 – August 20, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
March 1, 2007 – March 31, 2007	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2007 – February 28, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2007 – February 28, 2007	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2006 – November 30, 2006	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2006 – November 30, 2006	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2006 – October 31, 2006	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2006 – October 31, 2006	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2005 – April 30, 2005	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2005 – April 30, 2005	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2005 – March 31, 2005	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Benzene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Toluene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Styrene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1993 – March 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
December 1, 1990 – December 31, 1990	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 26, 1986 – June 25, 1987	Monitoring, Regular	Nitrate	—	Archived

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

Enforcement actions

October 24, 2025State Compliance achieved4 linked violations
October 24, 2025State Compliance achieved4 linked violations
October 24, 2025State Compliance achieved2 linked violations
October 24, 2025State Compliance achieved3 linked violations
August 20, 2025State Compliance achieved1 linked violation
August 7, 2025State Formal Notice of Violation issued1 linked violation
August 7, 2025State Public Notification requested1 linked violation
July 25, 2025State Public Notification requested1 linked violation
July 25, 2025State Compliance achieved2 linked violations
July 25, 2025State Formal Notice of Violation issued1 linked violation
July 25, 2025State Public Notification received1 linked violation
July 21, 2025State Compliance achieved2 linked violations
April 29, 2025State Public Notification requested2 linked violations
April 29, 2025State Formal Notice of Violation issued2 linked violations
April 29, 2025State Public Notification received2 linked violations
January 27, 2025State Formal Notice of Violation issued2 linked violations
January 27, 2025State Public Notification received2 linked violations
January 27, 2025State Public Notification requested2 linked violations
October 23, 2024State Public Notification requested1 linked violation
October 23, 2024State Public Notification received1 linked violation
October 23, 2024State Compliance achieved1 linked violation
October 23, 2024State Formal Notice of Violation issued1 linked violation
August 2, 2024State Public Notification received2 linked violations
August 2, 2024State Formal Notice of Violation issued2 linked violations
August 2, 2024State Public Notification requested2 linked violations
April 26, 2024State Public Notification received1 linked violation
April 26, 2024State Violation/Reminder Notice1 linked violation
April 26, 2024State Compliance achieved1 linked violation
April 26, 2024State Formal Notice of Violation issued1 linked violation
January 24, 2024State Public Notification requested1 linked violation
January 24, 2024State Public Notification received1 linked violation
January 24, 2024State Compliance achieved2 linked violations
January 24, 2024State Public Notification received1 linked violation
January 24, 2024State Compliance achieved3 linked violations
January 24, 2024State Compliance achieved4 linked violations
January 24, 2024State Public Notification received1 linked violation
January 24, 2024State Public Notification requested1 linked violation
January 24, 2024State Formal Notice of Violation issued1 linked violation
December 19, 2023State Public Notification received1 linked violation
October 23, 2023State Public Notification received2 linked violations
October 23, 2023State Public Notification requested2 linked violations
October 23, 2023State Formal Notice of Violation issued2 linked violations
July 27, 2023State Public Notification received1 linked violation
July 27, 2023State Formal Notice of Violation issued1 linked violation
April 27, 2023State Formal Notice of Violation issued2 linked violations
February 9, 2023State Public Notification received2 linked violations
January 31, 2023State Formal Notice of Violation issued4 linked violations
January 31, 2023State Compliance achieved2 linked violations
January 31, 2023State Public Notification requested4 linked violations
November 21, 2022State Formal Notice of Violation issued2 linked violations
November 21, 2022State Public Notification requested2 linked violations
August 26, 2022State Public Notification received4 linked violations
July 28, 2022State Public Notification requested2 linked violations
July 28, 2022State Formal Notice of Violation issued2 linked violations
April 21, 2022State Formal Notice of Violation issued2 linked violations
April 21, 2022State Public Notification requested2 linked violations
February 1, 2022State Public Notification received2 linked violations
January 25, 2022State Formal Notice of Violation issued2 linked violations
January 25, 2022State Public Notification requested2 linked violations
November 2, 2021State Public Notification received1 linked violation
November 2, 2021State Violation/Reminder Notice2 linked violations
January 7, 2021State Compliance achieved1 linked violation
January 6, 2021State Compliance achieved1 linked violation
May 15, 2020State Compliance achieved2 linked violations
May 15, 2020State Formal Notice of Violation issued4 linked violations
May 15, 2020State Public Notification requested2 linked violations
May 13, 2020State Compliance achieved1 linked violation
February 12, 2020State Public Notification received1 linked violation
February 12, 2020State Public Notification received1 linked violation
February 12, 2020State Public Notification received1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Formal Notice of Violation issued1 linked violation
February 10, 2020State Formal Notice of Violation issued1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Formal Notice of Violation issued1 linked violation
December 13, 2019State Public Notification received1 linked violation
November 13, 2019State Public Notification requested1 linked violation
November 13, 2019State Formal Notice of Violation issued1 linked violation
November 13, 2019State Public Notification requested1 linked violation
November 13, 2019State Formal Notice of Violation issued1 linked violation
November 13, 2019State Public Notification requested2 linked violations
November 13, 2019State Violation/Reminder Notice1 linked violation
November 13, 2019State Formal Notice of Violation issued1 linked violation
October 7, 2019State Compliance achieved2 linked violations
August 28, 2019State Public Notification requested2 linked violations
August 28, 2019State Violation/Reminder Notice2 linked violations
August 28, 2019State Violation/Reminder Notice2 linked violations
August 28, 2019State Public Notification requested2 linked violations
July 10, 2019State Compliance achieved4 linked violations
May 21, 2019State Violation/Reminder Notice4 linked violations
May 21, 2019State Public Notification requested4 linked violations
March 5, 2019State Compliance achieved8 linked violations
February 27, 2019State Compliance achieved2 linked violations
February 27, 2019State Public Notification requested2 linked violations
February 27, 2019State Violation/Reminder Notice2 linked violations
February 7, 2019State Public Notification received2 linked violations
December 20, 2018State Compliance achieved2 linked violations
December 19, 2018State Violation/Reminder Notice2 linked violations
November 14, 2018State Violation/Reminder Notice1 linked violation
October 24, 2018State Formal Notice of Violation issued9 linked violations
October 24, 2018State Public Notification requested2 linked violations
October 24, 2018State Compliance achieved2 linked violations
October 23, 2018State Compliance achieved1 linked violation
October 18, 2018State Compliance achieved3 linked violations
October 18, 2018State Violation/Reminder Notice1 linked violation
September 28, 2018State Violation/Reminder Notice1 linked violation
September 26, 2018State Violation/Reminder Notice4 linked violations
September 25, 2018State Compliance achieved1 linked violation
June 14, 2018State Violation/Reminder Notice1 linked violation
June 14, 2018State Violation/Reminder Notice1 linked violation
June 14, 2018State Violation/Reminder Notice3 linked violations
November 29, 2017State Compliance achieved2 linked violations
November 29, 2017State Violation/Reminder Notice2 linked violations
December 7, 2015State Compliance achieved1 linked violation
September 26, 2014State Compliance achieved1 linked violation
September 4, 2014State Compliance achieved3 linked violations
June 16, 2014State Compliance achieved6 linked violations
June 16, 2014State Violation/Reminder Notice2 linked violations
January 17, 2014State Compliance achieved2 linked violations
December 18, 2013State Compliance achieved1 linked violation
October 28, 2013State Public Notification received2 linked violations
October 28, 2013State Compliance achieved2 linked violations
August 1, 2013State Violation/Reminder Notice2 linked violations
August 1, 2013State Violation/Reminder Notice2 linked violations
June 12, 2013State Compliance achieved1 linked violation
January 7, 2013State Violation/Reminder Notice3 linked violations
January 7, 2013State Compliance achieved3 linked violations
January 7, 2013State Public Notification requested3 linked violations
November 28, 2012State Compliance achieved1 linked violation
September 20, 2012State Compliance achieved1 linked violation
August 23, 2012State Violation/Reminder Notice18 linked violations
August 23, 2012State Compliance achieved18 linked violations
August 23, 2012State Compliance Meeting conducted17 linked violations
August 23, 2012State Compliance achieved4 linked violations
August 23, 2012State Compliance Meeting conducted4 linked violations
August 23, 2012State Violation/Reminder Notice4 linked violations
August 21, 2012State Violation/Reminder Notice1 linked violation
August 21, 2012State Compliance Meeting conducted1 linked violation
August 17, 2012State Violation/Reminder Notice1 linked violation
August 17, 2012State Compliance Meeting conducted1 linked violation
August 17, 2012State Compliance achieved2 linked violations
August 17, 2012State Public Notification received1 linked violation
August 17, 2012State Compliance achieved1 linked violation
April 24, 2012State Violation/Reminder Notice1 linked violation
April 24, 2012State Public Notification requested1 linked violation
April 24, 2012State Compliance achieved1 linked violation
September 21, 2011State Public Notification received1 linked violation
September 21, 2011State Compliance Meeting conducted4 linked violations
September 21, 2011State Public Notification requested1 linked violation
September 21, 2011State Violation/Reminder Notice5 linked violations
September 21, 2011State Compliance achieved5 linked violations
August 15, 2011State Compliance achieved7 linked violations
July 20, 2011State Compliance achieved4 linked violations
April 20, 2011State Compliance achieved3 linked violations
January 7, 2011State Compliance achieved1 linked violation
November 18, 2010State Compliance achieved5 linked violations
August 12, 2010State Compliance achieved1 linked violation
May 20, 2010State Compliance achieved1 linked violation
March 30, 2010State Compliance achieved1 linked violation
February 5, 2010State Compliance achieved1 linked violation
January 26, 2010State Compliance achieved4 linked violations
January 26, 2010State Compliance achieved1 linked violation
October 29, 2009State Compliance achieved2 linked violations
October 9, 2009State Compliance achieved1 linked violation
September 10, 2009State Compliance achieved2 linked violations
July 21, 2009State Compliance achieved1 linked violation
May 22, 2009State Compliance achieved2 linked violations
April 24, 2009State Compliance achieved3 linked violations
January 29, 2009State Compliance achieved2 linked violations
November 18, 2008State Compliance achieved2 linked violations
August 19, 2008State Violation/Reminder Notice1 linked violation
August 19, 2008State Compliance achieved1 linked violation
August 19, 2008State Compliance achieved1 linked violation
August 19, 2008State Violation/Reminder Notice1 linked violation
July 24, 2008State Compliance achieved3 linked violations
June 20, 2008State Compliance achieved1 linked violation
June 3, 2008State Compliance achieved1 linked violation
March 4, 2008State Compliance achieved1 linked violation
February 4, 2008State Compliance achieved2 linked violations
January 31, 2008State Compliance achieved2 linked violations
January 7, 2008State Compliance achieved1 linked violation
December 20, 2007State Compliance achieved3 linked violations
August 20, 2007State Compliance achieved4 linked violations
June 22, 2007State Compliance achieved2 linked violations
December 21, 2006State Compliance achieved4 linked violations
September 19, 2005State Violation/Reminder Notice1 linked violation
September 19, 2005State Compliance achieved1 linked violation
August 16, 2005State Compliance achieved2 linked violations
August 16, 2005State Consent Decree/Judgement2 linked violations
August 16, 2005State Violation/Reminder Notice2 linked violations
April 25, 1991State Compliance achieved1 linked violation
September 19, 1990State Public Notification received1 linked violation
January 8, 1990State Formal Notice of Violation issued2 linked violations
July 26, 1988State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 3, 1987State Formal Notice of Violation issued1 linked violation
May 4, 1987State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 20, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 30, 1982Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
March 19, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Contact

PARKER AREA WATER AUTH

724-399-2713

PARKER, PA 16049