KENNETT SQUARE, PA · Chester County

KENNETT SQUARE MUN WATER WORKS Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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): PA1150108
System type: Community Water System
Population served: 6,328
Service connections: 1,885
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
January 1, 2026 – January 31, 2026
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
December 1, 2025 – December 31, 2025
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
April 1, 2025 – April 30, 2025
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
March 1, 2025 – March 31, 2025
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2025 – January 31, 2025
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2025 – January 31, 2025
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – October 18, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – April 18, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – April 18, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – April 18, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – March 6, 2024
Resolved
Monitoring, Regular
—
Nitrate
October 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Nitrite
October 1, 2023 – December 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Nitrite
October 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 2023 – December 31, 2023
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 11, 2023 – August 21, 2025
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2023 – June 30, 2023
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2023 – March 31, 2023
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2023
Unaddressed
Monitoring, Regular
—
Nitrite
January 1, 2023 – March 31, 2023
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2023 – March 31, 2023
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2023 – March 31, 2023
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2023 – March 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2023 – March 31, 2023
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
December 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Nitrite
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Nitrite
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Nitrate
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Nitrate
October 1, 2022 – December 31, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – September 14, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
June 11, 2022 – January 25, 2023
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 11, 2022 – June 14, 2022
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2022 – June 30, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – March 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – March 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – March 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – March 18, 2022
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Benzene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Toluene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Styrene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Benzene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Toluene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Styrene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2021 – December 31, 2021
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2021 – January 10, 2023
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
May 1, 2021 – May 31, 2021
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
April 1, 2021 – April 30, 2021
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
March 1, 2021 – March 31, 2021
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
February 1, 2021 – February 28, 2021
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
December 1, 2020 – December 31, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2020 – December 31, 2020
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 13, 2020 – October 26, 2020
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
August 1, 2020 – August 31, 2020
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
June 13, 2020 – October 26, 2020
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
June 1, 2020 – June 30, 2020
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2018 – August 29, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
June 11, 2017 – August 1, 2017
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
May 1, 2017 – May 31, 2017
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
August 1, 2016 – August 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2016 – September 30, 2016
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
May 1, 2016 – May 31, 2016
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
April 1, 2016 – April 30, 2016
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
December 1, 2015 – December 31, 2015
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
December 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2014 – December 31, 2014
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
August 1, 2014 – August 31, 2014
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2014 – November 18, 2014
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2014 – November 18, 2014
Resolved
Monitoring, Regular
—
LASSO
January 1, 2014 – November 18, 2014
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
January 1, 2014 – January 31, 2014
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
April 1, 2013 – April 30, 2013
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
March 1, 2013 – March 31, 2013
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
January 1, 2013 – January 31, 2013
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
December 1, 2011 – December 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2011 – December 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2011 – September 30, 2011
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Nitrate
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Nitrite
April 1, 2011 – June 30, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2011 – June 27, 2011
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
November 1, 2010 – November 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2010 – December 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2010 – September 28, 2010
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
May 1, 2010 – May 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2010 – June 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2009 – December 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2009 – September 4, 2009
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
July 1, 2009 – July 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Nitrate
April 1, 2006 – June 30, 2006
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2005 – February 9, 2006
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2005 – March 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2005 – March 31, 2005
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2004 – March 4, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2004 – December 15, 2004
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
July 1, 2004 – July 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2004 – August 31, 2004
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
June 1, 2004 – June 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
Nitrate
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2004 – January 31, 2004
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Styrene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Toluene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Benzene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2002 – December 31, 2002
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
November 1, 2001 – November 30, 2001
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
September 1, 2001 – September 30, 2001
Archived
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
July 1, 2001 – July 31, 2001
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
June 1, 2001 – June 30, 2001
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
May 1, 2001 – May 31, 2001
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
March 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2001 – March 31, 2001
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
December 1, 2000 – December 31, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2000 – December 31, 2000
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
November 1, 2000 – November 30, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2000 – November 30, 2000
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
July 1, 2000 – July 31, 2000
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
June 1, 2000 – June 30, 2000
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
May 1, 2000 – May 31, 2000
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
April 1, 2000 – April 30, 2000
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
March 1, 2000 – March 31, 2000
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2000 – March 31, 2000
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2000 – December 31, 2000
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 1999 – November 8, 2001
Resolved
Monitoring, Regular
—
Nitrate
July 1, 1998 – September 30, 1998
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1996 – June 30, 2000
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – December 31, 1993
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 1992 – August 31, 1992
Archived
Monitoring, Regular
—
Chromium
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Barium
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Selenium
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Mercury
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Arsenic
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Mercury
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Nitrate
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Selenium
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Endrin
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
BHC-GAMMA
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Methoxychlor
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
2,4-D
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Arsenic
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Barium
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Cadmium
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Chromium
June 24, 1979 – June 23, 1980
Archived

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2026 – January 31, 2026	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
December 1, 2025 – December 31, 2025	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
April 1, 2025 – April 30, 2025	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
March 1, 2025 – March 31, 2025	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
January 1, 2025 – January 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2025 – January 31, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2024 – October 18, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – April 18, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – April 18, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – April 18, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – March 6, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2023 – December 31, 2023	Monitoring, Regular	Nitrate	—	Resolved
October 1, 2023 – December 31, 2023	Monitoring, Regular	Nitrite	—	Resolved
October 1, 2023 – December 31, 2023	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2023 – December 31, 2023	Monitoring, Regular	Nitrite	—	Resolved
October 1, 2023 – December 31, 2023	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
July 11, 2023 – August 21, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2023 – June 30, 2023	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2023 – March 31, 2023	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2023	Lead Consumer Notice	Lead and Copper Rule	—	Unaddressed
January 1, 2023 – March 31, 2023	Monitoring, Regular	Nitrite	—	Resolved
January 1, 2023 – March 31, 2023	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2023 – March 31, 2023	Monitoring, Regular	Nitrite	—	Resolved
January 1, 2023 – March 31, 2023	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2023 – March 31, 2023	Monitoring and Reporting (DBP)	TTHM	—	Resolved
December 1, 2022 – December 31, 2022	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	Nitrite	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	Nitrite	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	Nitrate	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2022 – September 14, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 11, 2022 – January 25, 2023	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 11, 2022 – June 14, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2022 – June 30, 2022	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 11, 2022 – March 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – March 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – March 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – March 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Benzene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Toluene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Styrene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Benzene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Toluene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Styrene	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2021 – January 10, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
May 1, 2021 – May 31, 2021	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
April 1, 2021 – April 30, 2021	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
March 1, 2021 – March 31, 2021	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
February 1, 2021 – February 28, 2021	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
December 1, 2020 – December 31, 2020	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
December 1, 2020 – December 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Radium-228	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Radium-226	—	Resolved
August 13, 2020 – October 26, 2020	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
August 1, 2020 – August 31, 2020	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
June 13, 2020 – October 26, 2020	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
June 1, 2020 – June 30, 2020	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
July 1, 2018 – August 29, 2018	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 11, 2017 – August 1, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
May 1, 2017 – May 31, 2017	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
August 1, 2016 – August 31, 2016	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
May 1, 2016 – May 31, 2016	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
April 1, 2016 – April 30, 2016	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
December 1, 2015 – December 31, 2015	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
December 1, 2014 – December 31, 2014	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
October 1, 2014 – December 31, 2014	Monitoring, Regular	Radium-228	—	Resolved
August 1, 2014 – August 31, 2014	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
January 1, 2014 – November 18, 2014	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2014 – November 18, 2014	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2014 – November 18, 2014	Monitoring, Regular	LASSO	—	Resolved
January 1, 2014 – January 31, 2014	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
April 1, 2013 – April 30, 2013	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
March 1, 2013 – March 31, 2013	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
January 1, 2013 – January 31, 2013	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
December 1, 2011 – December 31, 2011	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
October 1, 2011 – December 31, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Nitrate	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Nitrite	—	Resolved
April 1, 2011 – June 27, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
November 1, 2010 – November 30, 2010	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2010 – September 28, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
May 1, 2010 – May 31, 2010	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2009 – December 31, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2009 – September 4, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2009 – July 31, 2009	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2005 – February 9, 2006	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2004 – March 4, 2005	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2004 – December 15, 2004	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2004 – July 31, 2004	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
July 1, 2004 – August 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 1, 2004 – June 30, 2004	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2004 – January 31, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Styrene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Toluene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Benzene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
November 1, 2001 – November 30, 2001	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
September 1, 2001 – September 30, 2001	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Archived
July 1, 2001 – July 31, 2001	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
June 1, 2001 – June 30, 2001	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
May 1, 2001 – May 31, 2001	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
March 1, 2001 – March 31, 2001	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Nitrate	—	Resolved
December 1, 2000 – December 31, 2000	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
December 1, 2000 – December 31, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2000 – November 30, 2000	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
November 1, 2000 – November 30, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2000 – July 31, 2000	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
June 1, 2000 – June 30, 2000	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
May 1, 2000 – May 31, 2000	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
April 1, 2000 – April 30, 2000	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
March 1, 2000 – March 31, 2000	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
January 1, 2000 – March 31, 2000	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Fluoride	—	Resolved
January 1, 1999 – November 8, 2001	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 1998 – September 30, 1998	Monitoring, Regular	Nitrate	—	Resolved
July 1, 1996 – June 30, 2000	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
August 1, 1992 – August 31, 1992	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Chromium	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Barium	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Selenium	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Mercury	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Arsenic	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Mercury	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Nitrate	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Selenium	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Endrin	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	BHC-GAMMA	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Methoxychlor	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	2,4-D	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Arsenic	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Barium	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Cadmium	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Chromium	—	Archived

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

March 13, 2026State Compliance achieved1 linked violation
February 25, 2026State Compliance achieved1 linked violation
February 25, 2026State Violation/Reminder Notice1 linked violation
February 11, 2026State Formal Notice of Violation issued1 linked violation
January 13, 2026State Compliance achieved1 linked violation
December 9, 2025State Violation/Reminder Notice1 linked violation
November 12, 2025State Public Notification requested2 linked violations
November 12, 2025State Formal Notice of Violation issued2 linked violations
October 8, 2025State Public Notification requested1 linked violation
October 8, 2025State Public Notification received2 linked violations
October 8, 2025State Compliance achieved2 linked violations
August 21, 2025State Compliance achieved3 linked violations
August 21, 2025State Compliance achieved9 linked violations
August 21, 2025State Compliance achieved8 linked violations
July 8, 2025State Formal Notice of Violation issued1 linked violation
June 9, 2025State Formal Notice of Violation issued1 linked violation
June 9, 2025State Public Notification requested1 linked violation
May 9, 2025State Violation/Reminder Notice1 linked violation
March 14, 2025State Formal Notice of Violation issued2 linked violations
October 18, 2024State Compliance achieved1 linked violation
October 18, 2024State Violation/Reminder Notice1 linked violation
June 12, 2024State Public Notification received22 linked violations
May 1, 2024State Public Notification received7 linked violations
April 18, 2024State Compliance achieved4 linked violations
April 18, 2024State Public Notification requested4 linked violations
April 18, 2024State Violation/Reminder Notice4 linked violations
April 18, 2024State Public Notification received12 linked violations
March 6, 2024State Compliance achieved37 linked violations
March 6, 2024State Public Notification received37 linked violations
March 6, 2024State Violation/Reminder Notice37 linked violations
February 9, 2024State Violation/Reminder Notice8 linked violations
February 9, 2024State Public Notification requested8 linked violations
October 11, 2023State Public Notification received1 linked violation
August 28, 2023State Violation/Reminder Notice1 linked violation
August 28, 2023State Public Notification received1 linked violation
August 9, 2023State Public Notification requested1 linked violation
August 9, 2023State Formal Notice of Violation issued2 linked violations
May 4, 2023State Violation/Reminder Notice6 linked violations
May 4, 2023State Public Notification requested6 linked violations
January 26, 2023State Formal Notice of Violation issued1 linked violation
January 25, 2023State Compliance achieved46 linked violations
January 25, 2023State Compliance achieved2 linked violations
January 25, 2023State Public Notification requested45 linked violations
January 25, 2023State Violation/Reminder Notice45 linked violations
January 10, 2023State Compliance achieved8 linked violations
January 10, 2023State Public Notification requested8 linked violations
December 2, 2022State Violation/Reminder Notice1 linked violation
September 14, 2022State Violation/Reminder Notice2 linked violations
September 14, 2022State Compliance achieved1 linked violation
September 14, 2022State Compliance achieved1 linked violation
September 14, 2022State Violation/Reminder Notice2 linked violations
August 10, 2022State Formal Notice of Violation issued1 linked violation
August 10, 2022State Public Notification requested1 linked violation
August 10, 2022State Public Notification requested1 linked violation
August 10, 2022State Formal Notice of Violation issued1 linked violation
July 13, 2022State Compliance achieved1 linked violation
July 13, 2022State Violation/Reminder Notice1 linked violation
June 14, 2022State Compliance achieved1 linked violation
June 14, 2022State Violation/Reminder Notice1 linked violation
March 18, 2022State Compliance achieved4 linked violations
March 18, 2022State Violation/Reminder Notice4 linked violations
February 14, 2022State Compliance achieved1 linked violation
February 14, 2022State Violation/Reminder Notice1 linked violation
December 17, 2021State Compliance achieved1 linked violation
December 17, 2021State Violation/Reminder Notice1 linked violation
September 14, 2021State Violation/Reminder Notice1 linked violation
September 14, 2021State Violation/Reminder Notice1 linked violation
August 16, 2021State Compliance achieved1 linked violation
August 16, 2021State Violation/Reminder Notice1 linked violation
July 15, 2021State Violation/Reminder Notice1 linked violation
July 15, 2021State Violation/Reminder Notice1 linked violation
June 11, 2021State Violation/Reminder Notice1 linked violation
June 11, 2021State Violation/Reminder Notice1 linked violation
May 12, 2021State Violation/Reminder Notice1 linked violation
May 12, 2021State Violation/Reminder Notice1 linked violation
February 3, 2021State Violation/Reminder Notice4 linked violations
October 26, 2020State Public Notification requested2 linked violations
October 26, 2020State Compliance achieved4 linked violations
October 26, 2020State Public Notification received2 linked violations
September 28, 2020State Violation/Reminder Notice2 linked violations
September 28, 2020State Violation/Reminder Notice2 linked violations
August 24, 2020State Violation/Reminder Notice2 linked violations
August 24, 2020State Violation/Reminder Notice2 linked violations
August 29, 2018State Compliance achieved1 linked violation
August 29, 2018State Violation/Reminder Notice1 linked violation
August 1, 2017State Compliance achieved1 linked violation
August 1, 2017State Violation/Reminder Notice1 linked violation
August 1, 2017State Compliance achieved1 linked violation
July 13, 2017State Compliance achieved1 linked violation
June 29, 2017State Violation/Reminder Notice1 linked violation
April 20, 2017State Compliance achieved1 linked violation
January 30, 2017State Compliance achieved2 linked violations
October 27, 2016State Violation/Reminder Notice2 linked violations
June 30, 2016State Compliance achieved1 linked violation
June 28, 2016State Violation/Reminder Notice3 linked violations
June 28, 2016State Violation/Reminder Notice2 linked violations
July 14, 2015State Compliance achieved1 linked violation
July 14, 2015State Public Notification requested1 linked violation
July 14, 2015State Public Notification received1 linked violation
February 12, 2015State Violation/Reminder Notice2 linked violations
February 12, 2015State Compliance achieved1 linked violation
November 18, 2014State Compliance achieved3 linked violations
November 14, 2014State Violation/Reminder Notice3 linked violations
October 2, 2014State Compliance achieved1 linked violation
October 2, 2014State Violation/Reminder Notice1 linked violation
March 26, 2014State Violation/Reminder Notice1 linked violation
March 26, 2014State Compliance achieved1 linked violation
June 13, 2013State Compliance achieved1 linked violation
May 29, 2013State Compliance achieved1 linked violation
March 18, 2013State Compliance achieved1 linked violation
February 1, 2012State Compliance achieved2 linked violations
November 2, 2011State Compliance achieved2 linked violations
August 12, 2011State Compliance achieved1 linked violation
August 11, 2011State Compliance achieved2 linked violations
August 11, 2011State Violation/Reminder Notice2 linked violations
June 27, 2011State Compliance achieved2 linked violations
June 27, 2011State Violation/Reminder Notice2 linked violations
March 3, 2011State Compliance achieved1 linked violation
February 28, 2011State Violation/Reminder Notice1 linked violation
February 2, 2011State Compliance achieved2 linked violations
September 28, 2010State Compliance achieved1 linked violation
September 20, 2010State Compliance achieved1 linked violation
August 5, 2010State Compliance achieved1 linked violation
July 6, 2010State Compliance achieved1 linked violation
May 6, 2010State Compliance achieved1 linked violation
February 3, 2010State Compliance achieved1 linked violation
December 2, 2009State Compliance achieved1 linked violation
September 4, 2009State Compliance achieved2 linked violations
August 7, 2007State Compliance achieved1 linked violation
August 16, 2006State Compliance achieved1 linked violation
February 9, 2006State Compliance achieved1 linked violation
February 9, 2006State Consent Decree/Judgement1 linked violation
December 13, 2005State Formal Notice of Violation issued1 linked violation
November 8, 2005State Formal Notice of Violation issued1 linked violation
June 17, 2005State Compliance achieved2 linked violations
May 20, 2005State Formal Notice of Violation issued2 linked violations
March 4, 2005State Consent Decree/Judgement1 linked violation
March 4, 2005State Compliance achieved1 linked violation
December 15, 2004State Consent Decree/Judgement1 linked violation
December 15, 2004State Compliance achieved1 linked violation
November 9, 2004State Formal Notice of Violation issued1 linked violation
September 10, 2004State Compliance achieved1 linked violation
September 9, 2004State Violation/Reminder Notice1 linked violation
August 31, 2004State Compliance achieved4 linked violations
August 31, 2004State Formal Notice of Violation issued4 linked violations
April 9, 2004State Formal Notice of Violation issued1 linked violation
April 9, 2004State Compliance achieved1 linked violation
April 1, 2004State Compliance achieved1 linked violation
March 3, 2004State Compliance achieved1 linked violation
March 3, 2004State Violation/Reminder Notice1 linked violation
January 12, 2004State Formal Notice of Violation issued1 linked violation
April 4, 2003State Formal Notice of Violation issued20 linked violations
April 4, 2003State Compliance achieved20 linked violations
October 11, 2002State Compliance achieved1 linked violation
August 24, 2001State Compliance achieved25 linked violations
October 5, 1989State Formal Notice of Violation issued1 linked violation
November 7, 1988State Formal Notice of Violation issuedgeneral 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
October 19, 1981State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Contact

KENNETT SQUARE MUN WATER WORKS

610-444-6020

KENNETT SQUARE, PA 19348