CHAMBERSBURG, PA · Franklin County

GUILFORD WATER AUTH Water System

Current status

3 items on record are 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): PA7280038
System type: Community Water System
Population served: 28,135
Service connections: 11,668
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
January 1, 2025 – January 31, 2025
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2024 – December 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2022 – December 31, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2022 – November 18, 2022
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Styrene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Benzene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Styrene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2020 – December 31, 2020
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2018 – December 31, 2018
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
September 1, 2018 – September 30, 2018
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2018 – June 30, 2018
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2018 – June 30, 2018
Resolved
Monitoring, Regular
—
Radium-226
April 1, 2018 – June 30, 2018
Resolved
Monitoring, Regular
—
Radium-228
April 1, 2018 – June 30, 2018
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2018 – December 31, 2018
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
December 13, 2017 – May 1, 2018
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
December 1, 2017 – December 31, 2017
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
November 1, 2016 – November 30, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
October 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Radium-226
April 1, 2013 – June 30, 2013
Resolved
Monitoring, Regular
—
Radium-228
April 1, 2013 – June 30, 2013
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
March 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2013 – March 31, 2013
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
January 1, 2013 – January 31, 2013
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2013 – March 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2012 – December 31, 2012
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
September 1, 2012 – September 30, 2012
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 11, 2012 – September 7, 2012
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2012 – December 31, 2012
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
October 1, 2011 – October 31, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 1, 2011 – December 14, 2011
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
September 1, 2011 – September 30, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
September 1, 2011 – December 7, 2011
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
August 1, 2011 – August 31, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 1, 2011 – December 7, 2011
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
July 1, 2011 – July 31, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
June 1, 2011 – December 7, 2011
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
June 1, 2011 – June 30, 2011
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
June 1, 2011 – June 30, 2011
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
May 1, 2011 – May 31, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 1, 2011 – December 7, 2011
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
April 1, 2011 – April 30, 2011
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2011 – December 31, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 11, 2010 – April 7, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2010 – June 30, 2010
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 11, 2008
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
October 11, 2008
Unaddressed
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2008 – December 31, 2008
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
September 11, 2008
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
September 11, 2008 – January 16, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2008 – June 30, 2008
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2007 – September 30, 2007
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 2007 – August 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2007 – September 30, 2007
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2007 – September 21, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2007 – September 30, 2007
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2007 – February 28, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2005 – December 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Radium-226
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Radium-228
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Radium-226
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Radium-228
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2005 – March 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2005 – March 31, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2004 – November 4, 2004
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2004 – June 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2004 – March 31, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2003 – November 30, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2003 – October 31, 2003
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1999 – December 30, 1999
Resolved
Monitoring, Regular
—
Benzene
July 1, 1992 – September 30, 1992
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
Vinyl chloride
July 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
Carbon tetrachloride
July 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
Trichloroethylene
July 1, 1992 – September 30, 1992
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 1992 – June 30, 1992
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 1992 – June 30, 1992
Resolved
Monitoring, Regular
—
Vinyl chloride
April 1, 1992 – June 30, 1992
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 1992 – June 30, 1992
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 1992 – June 30, 1992
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 1992 – June 30, 1992
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 1992 – June 30, 1992
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 1992 – June 30, 1992
Resolved
Monitoring, Regular
—
Benzene
April 1, 1992 – June 30, 1992
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 1991 – December 31, 1991
Resolved
Monitoring, Regular
—
Barium
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Cadmium
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Chromium
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Fluoride
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Mercury
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Nitrate
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Selenium
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Arsenic
June 27, 1989 – June 26, 1990
Resolved

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

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2025 – January 31, 2025	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2022 – November 18, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Styrene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Benzene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Styrene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	1,2-Dichloropropane	—	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-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2018 – September 30, 2018	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2018 – September 30, 2018	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2018 – June 30, 2018	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2018 – June 30, 2018	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2018 – June 30, 2018	Monitoring, Regular	Radium-226	—	Resolved
April 1, 2018 – June 30, 2018	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	CYANIDE	—	Archived
December 13, 2017 – May 1, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 1, 2017 – December 31, 2017	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
November 1, 2016 – November 30, 2016	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
April 1, 2015 – June 30, 2015	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2014 – December 31, 2014	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
April 1, 2013 – June 30, 2013	Monitoring, Regular	Radium-226	—	Resolved
April 1, 2013 – June 30, 2013	Monitoring, Regular	Radium-228	—	Resolved
March 1, 2013 – March 31, 2013	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2013 – January 31, 2013	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Radium-226	—	Resolved
October 1, 2012 – December 31, 2012	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2012 – December 31, 2012	Monitoring, Regular	Radium-226	—	Resolved
October 1, 2012 – December 31, 2012	Monitoring, Regular	Radium-228	—	Resolved
September 1, 2012 – September 30, 2012	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
July 11, 2012 – September 7, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Nitrite	—	Resolved
October 1, 2011 – October 31, 2011	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
October 1, 2011 – December 14, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
September 1, 2011 – September 30, 2011	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
September 1, 2011 – December 7, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
August 1, 2011 – August 31, 2011	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
August 1, 2011 – December 7, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2011 – July 31, 2011	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
June 1, 2011 – December 7, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
June 1, 2011 – June 30, 2011	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
June 1, 2011 – June 30, 2011	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
May 1, 2011 – May 31, 2011	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
April 1, 2011 – December 7, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2011 – April 30, 2011	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Nitrite	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Nitrite	—	Resolved
November 11, 2010 – April 7, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 11, 2008	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
October 11, 2008	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
October 1, 2008 – December 31, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Archived
September 11, 2008	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
September 11, 2008 – January 16, 2009	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
September 1, 2007 – September 30, 2007	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
August 1, 2007 – August 31, 2007	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Archived
July 1, 2007 – September 21, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
February 1, 2007 – February 28, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Radium-228	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Radium-226	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Radium-228	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Radium-226	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Radium-226	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Radium-228	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Radium-226	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2004 – November 4, 2004	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
November 1, 2003 – November 30, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2003 – October 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 1999 – December 30, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	Benzene	—	Archived
July 1, 1992 – September 30, 1992	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	p-Dichlorobenzene	—	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	Vinyl chloride	—	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	1,2-Dichloroethane	—	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	Carbon tetrachloride	—	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	Trichloroethylene	—	Archived
April 1, 1992 – June 30, 1992	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 1992 – June 30, 1992	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 1992 – June 30, 1992	Monitoring, Regular	Vinyl chloride	—	Resolved
April 1, 1992 – June 30, 1992	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
April 1, 1992 – June 30, 1992	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
April 1, 1992 – June 30, 1992	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 1992 – June 30, 1992	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 1992 – June 30, 1992	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 1992 – June 30, 1992	Monitoring, Regular	Benzene	—	Resolved
October 1, 1991 – December 31, 1991	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Barium	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Cadmium	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Chromium	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Fluoride	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Mercury	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Nitrate	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Selenium	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Arsenic	—	Resolved

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

Enforcement actions

December 23, 2025State Compliance achieved1 linked violation
December 23, 2025State Public Notification received1 linked violation
March 10, 2025State Violation/Reminder Notice1 linked violation
March 10, 2025State Public Notification requested1 linked violation
March 7, 2025State Compliance achieved1 linked violation
February 25, 2025State Violation/Reminder Notice1 linked violation
January 20, 2023State Compliance achieved2 linked violations
January 20, 2023State Violation/Reminder Notice2 linked violations
November 21, 2022State Public Notification received40 linked violations
November 21, 2022State Compliance achieved40 linked violations
November 18, 2022State Compliance achieved40 linked violations
November 18, 2022State Public Notification received40 linked violations
November 18, 2022State Public Notification requested40 linked violations
April 14, 2022State Violation/Reminder Notice40 linked violations
April 14, 2021State Compliance achieved40 linked violations
February 12, 2021State Formal Notice of Violation issued40 linked violations
February 12, 2021State Public Notification requested40 linked violations
March 9, 2020State Public Notification received1 linked violation
December 18, 2019State Compliance achieved1 linked violation
December 18, 2019State Public Notification received1 linked violation
May 1, 2019State Compliance achieved1 linked violation
February 14, 2019State Formal Notice of Violation issued1 linked violation
February 14, 2019State Public Notification requested1 linked violation
December 21, 2018State Compliance achieved3 linked violations
November 14, 2018State Formal Notice of Violation issued4 linked violations
November 14, 2018State Formal Notice of Violation issued1 linked violation
November 14, 2018State Compliance achieved1 linked violation
November 8, 2018State Compliance achieved3 linked violations
November 8, 2018State Violation/Reminder Notice1 linked violation
November 8, 2018State Violation/Reminder Notice4 linked violations
September 19, 2018State Violation/Reminder Notice4 linked violations
September 19, 2018State Violation/Reminder Notice4 linked violations
May 1, 2018State Public Notification requested1 linked violation
May 1, 2018State Compliance achieved2 linked violations
February 8, 2018State Violation/Reminder Notice2 linked violations
March 2, 2017State Violation/Reminder Notice1 linked violation
February 27, 2017State Compliance achieved1 linked violation
August 4, 2015State Compliance achieved1 linked violation
July 10, 2015State Violation/Reminder Notice1 linked violation
April 17, 2015State Compliance achieved1 linked violation
February 4, 2015State Violation/Reminder Notice1 linked violation
August 22, 2013State Compliance achieved1 linked violation
August 13, 2013State Compliance achieved1 linked violation
August 12, 2013State Violation/Reminder Notice2 linked violations
July 1, 2013State Compliance achieved4 linked violations
May 17, 2013State Violation/Reminder Notice2 linked violations
May 7, 2013State Compliance achieved1 linked violation
May 7, 2013State Violation/Reminder Notice1 linked violation
March 12, 2013State Compliance achieved1 linked violation
March 8, 2013State Violation/Reminder Notice1 linked violation
February 25, 2013State Compliance achieved4 linked violations
February 12, 2013State Compliance achieved1 linked violation
February 7, 2013State Violation/Reminder Notice7 linked violations
November 6, 2012State Compliance achieved1 linked violation
November 6, 2012State Violation/Reminder Notice1 linked violation
September 7, 2012State Compliance achieved1 linked violation
September 7, 2012State Public Notification received1 linked violation
August 10, 2012State Compliance achieved2 linked violations
May 4, 2012State Compliance achieved1 linked violation
May 4, 2012State Compliance achieved1 linked violation
May 4, 2012State Compliance achieved1 linked violation
April 30, 2012State Violation/Reminder Notice1 linked violation
April 30, 2012State Violation/Reminder Notice1 linked violation
April 30, 2012State Violation/Reminder Notice1 linked violation
February 14, 2012State Compliance achieved4 linked violations
January 30, 2012State Violation/Reminder Notice4 linked violations
December 15, 2011State Compliance achieved1 linked violation
December 14, 2011State Formal Notice of Violation issued7 linked violations
December 14, 2011State Compliance achieved7 linked violations
December 14, 2011State Compliance achieved2 linked violations
December 7, 2011State Compliance achieved6 linked violations
November 30, 2011State Public Notification requested2 linked violations
November 30, 2011State Formal Notice of Violation issued2 linked violations
November 30, 2011State Violation/Reminder Notice2 linked violations
November 9, 2011State Violation/Reminder Notice2 linked violations
October 5, 2011State Violation/Reminder Notice2 linked violations
September 1, 2011State Violation/Reminder Notice5 linked violations
September 1, 2011State Violation/Reminder Notice5 linked violations
August 31, 2011State Violation/Reminder Notice4 linked violations
August 31, 2011State Violation/Reminder Notice4 linked violations
July 6, 2011State Violation/Reminder Notice4 linked violations
July 6, 2011State Violation/Reminder Notice4 linked violations
July 5, 2011State Violation/Reminder Notice4 linked violations
July 5, 2011State Violation/Reminder Notice4 linked violations
April 7, 2011State Compliance achieved1 linked violation
January 14, 2011State Violation/Reminder Notice1 linked violation
July 21, 2010State Compliance achieved1 linked violation
July 19, 2010State Violation/Reminder Notice1 linked violation
April 6, 2010State Compliance achieved1 linked violation
January 16, 2009State Compliance achieved1 linked violation
January 16, 2009State Compliance achieved1 linked violation
December 19, 2008State Violation/Reminder Notice2 linked violations
November 19, 2008State Violation/Reminder Notice1 linked violation
November 19, 2008State Violation/Reminder Notice1 linked violation
July 24, 2008State Compliance achieved1 linked violation
November 21, 2007State Violation/Reminder Notice2 linked violations
October 19, 2007State Violation/Reminder Notice1 linked violation
September 21, 2007State Compliance achieved1 linked violation
September 17, 2007State Violation/Reminder Notice1 linked violation
April 5, 2007State Violation/Reminder Notice2 linked violations
April 5, 2007State Compliance achieved2 linked violations
October 4, 2006State Compliance achieved4 linked violations
September 25, 2006State Violation/Reminder Notice4 linked violations
January 30, 2006State Compliance achieved5 linked violations
January 30, 2006State Consent Decree/Judgement5 linked violations
January 30, 2006State Violation/Reminder Notice5 linked violations
October 21, 2005State Compliance achieved4 linked violations
October 21, 2005State Public Notification received4 linked violations
October 21, 2005State Violation/Reminder Notice4 linked violations
March 31, 2005State Consent Decree/Judgement1 linked violation
March 31, 2005State Violation/Reminder Notice1 linked violation
March 31, 2005State Compliance achieved1 linked violation
January 31, 2005State Compliance achieved2 linked violations
January 31, 2005State Violation/Reminder Notice2 linked violations
November 4, 2004State Consent Decree/Judgement1 linked violation
November 4, 2004State Compliance achieved1 linked violation
November 4, 2004State Violation/Reminder Notice1 linked violation
February 4, 2004State Compliance achieved2 linked violations
December 11, 1992Federal Compliance achieved25 linked violations
December 11, 1992Federal issued Formal Notice of Violation20 linked violations
September 23, 1991State Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
August 14, 1990State Violation/Reminder Notice8 linked violations
April 26, 1990State Violation/Reminder Notice2 linked violations
November 7, 1985State Compliance achievedgeneral 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
February 19, 1982State Public Notification receivedgeneral compliance action — not tied to a specific violation on record

Contact

GUILFORD WATER AUTH

717-263-2813

CHAMBERSBURG, PA 17201