WEST CHESTER, PA · Chester County
WESTTOWN SCHOOL Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Pennsylvania’s official records. Always confirm current status with Pennsylvania before making decisions based on this information.
System facts
- System ID (PWSID)
- PA1150834
- System type
- Community Water System
- Population served
- 900
- Service connections
- 28
- Ownership
- public/private mix
- Water source
- groundwater (wells)
Violation history
Lead Consumer Notice
—Lead and Copper Rule
January 1, 2023 – February 22, 2023
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
March 1, 2022 – March 31, 2022
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
August 1, 2021 – August 31, 2021
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2021 – September 30, 2021
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
April 1, 2021 – April 30, 2021
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
February 1, 2021 – February 28, 2021
ResolvedLead Consumer Notice
—Lead and Copper Rule
January 1, 2021 – February 15, 2022
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
March 1, 2020 – March 31, 2020
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
December 1, 2019 – December 31, 2019
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
July 1, 2018 – July 31, 2018
ResolvedMonitoring, Regular
—Nitrate
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Nitrite
July 1, 2018 – September 30, 2018
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2018 – September 12, 2018
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2017 – September 30, 2017
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
December 11, 2016 – May 5, 2017
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
November 1, 2016 – November 30, 2016
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2016 – September 22, 2016
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
June 1, 2016 – June 30, 2016
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2016 – March 31, 2016
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
January 1, 2016 – January 31, 2016
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 2015 – December 31, 2015
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Radium-226
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Radium-228
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Combined Uranium
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2015 – August 31, 2015
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2015 – September 30, 2015
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Fluoride
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Nickel
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Selenium
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Cadmium
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Barium
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Arsenic
January 1, 2015 – December 31, 2015
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
February 1, 2014 – February 28, 2014
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—Nitrite
October 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—Nitrate
October 1, 2013 – December 31, 2013
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—Nitrite
July 1, 2013 – September 30, 2013
ResolvedMonitoring, Regular
—Nitrate
July 1, 2013 – September 30, 2013
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
May 19, 2013 – January 7, 2015
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
April 12, 2013 – April 26, 2013
ResolvedOCCT/SOWT Treatment Installation/Demonstration
Health-basedLead and Copper Rule
April 9, 2013 – January 7, 2015
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2012 – November 28, 2012
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Selenium
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Arsenic
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Cadmium
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Chromium
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Nickel
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 2011 – November 30, 2011
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2011 – December 31, 2011
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2009 – June 30, 2009
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2009 – June 30, 2009
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
February 11, 2009 – March 23, 2009
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
February 11, 2009 – March 23, 2009
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
January 11, 2009 – February 27, 2009
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Barium
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Cadmium
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Chromium
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Fluoride
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Selenium
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Picloram
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—2,4-D
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2008 – January 31, 2008
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2008 – February 27, 2008
ResolvedMonitoring, Regular
—Nitrate
October 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Nitrate
July 1, 2007 – September 30, 2007
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2007 – September 30, 2007
ResolvedMonitoring, Regular
—Radium-228
January 1, 2006 – March 31, 2006
ResolvedMonitoring, Regular
—Radium-226
January 1, 2006 – March 31, 2006
ResolvedMonitoring, Regular
—Combined Uranium
January 1, 2006 – March 31, 2006
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2006 – March 31, 2006
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2004 – March 31, 2004
ResolvedMonitoring, Check/Repeat/Confirmation
—Nitrate
July 1, 2002 – September 30, 2002
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedNitrate
July 1, 2002 – September 30, 2002
ResolvedMonitoring, Check/Repeat/Confirmation
—Nitrate
July 1, 2002 – September 30, 2002
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedNitrate
July 1, 2002 – September 30, 2002
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedDICHLOROMETHANE
January 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Barium
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Cadmium
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Chromium
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Fluoride
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Mercury
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Nickel
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Selenium
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Arsenic
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Benzene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Toluene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Styrene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Nitrate
April 1, 1999 – June 30, 1999
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
April 1, 1997 – June 30, 1997
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
April 1, 1997 – June 30, 1997
ResolvedMonitoring, Regular
—Benzo(a)pyrene
April 1, 1997 – June 30, 1997
ResolvedMonitoring, Regular
—Benzene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 1997 – March 31, 1997
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 1997 – March 31, 1997
ResolvedMonitoring, Regular
—LASSO
January 1, 1997 – March 31, 1997
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 1997 – March 31, 1997
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 1997 – March 31, 1997
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 1997 – March 31, 1997
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Styrene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Toluene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Pentachlorophenol
July 1, 1996 – September 30, 1996
ResolvedMonitoring, Regular
—Benzo(a)pyrene
July 1, 1996 – September 30, 1996
ResolvedMonitoring, Regular
—LASSO
July 1, 1996 – September 30, 1996
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
July 1, 1996 – September 30, 1996
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 1996 – September 30, 1996
ResolvedMonitoring, Regular
—Pentachlorophenol
April 1, 1996 – June 30, 1996
ResolvedMonitoring, Regular
—Nitrate
April 1, 1996 – June 30, 1996
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
April 1, 1996 – June 30, 1996
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
April 1, 1996 – June 30, 1996
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
April 1, 1996 – June 30, 1996
ResolvedMonitoring, Regular
—LASSO
April 1, 1996 – June 30, 1996
ResolvedMonitoring, Regular
—Benzo(a)pyrene
April 1, 1996 – June 30, 1996
ResolvedMonitoring, Regular
—Nitrate
January 1, 1996 – March 31, 1996
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—LASSO
October 1, 1995 – December 31, 1995
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
July 1, 1995 – September 30, 1995
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 1995 – September 30, 1995
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
July 1, 1995 – September 30, 1995
ResolvedMonitoring, Regular
—Pentachlorophenol
July 1, 1995 – September 30, 1995
ResolvedMonitoring, Regular
—Benzo(a)pyrene
July 1, 1995 – September 30, 1995
ResolvedMonitoring, Regular
—LASSO
July 1, 1995 – September 30, 1995
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—LASSO
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Pentachlorophenol
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Benzo(a)pyrene
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—LASSO
January 1, 1995 – March 31, 1995
ResolvedMonitoring, Regular
—Benzene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Xylenes, Total
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—DICHLOROMETHANE
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—o-Dichlorobenzene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—p-Dichlorobenzene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Carbon tetrachloride
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,2-Dichloropropane
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Trichloroethylene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Tetrachloroethylene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—CHLOROBENZENE
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Toluene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Ethylbenzene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Styrene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Benzene
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—DICHLOROMETHANE
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—o-Dichlorobenzene
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—p-Dichlorobenzene
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—1,2-Dichloroethane
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—Carbon tetrachloride
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—1,2-Dichloropropane
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—Trichloroethylene
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—Tetrachloroethylene
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—CHLOROBENZENE
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—Xylenes, Total
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—Toluene
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—Ethylbenzene
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—Styrene
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
July 1, 1994 – September 30, 1994
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—Tetrachloroethylene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—Xylenes, Total
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—Benzene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—Toluene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—Styrene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Selenium
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Nickel
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Fluoride
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—CYANIDE
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Chromium
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Cadmium
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Barium
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Arsenic
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Nitrate
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Styrene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Toluene
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Benzene
January 1, 1994 – March 31, 1994
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2023 – February 22, 2023 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| March 1, 2022 – March 31, 2022 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| August 1, 2021 – August 31, 2021 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| April 1, 2021 – April 30, 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 |
| January 1, 2021 – February 15, 2022 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| March 1, 2020 – March 31, 2020 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| December 1, 2019 – December 31, 2019 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| July 1, 2018 – July 31, 2018 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Nitrite | — | Resolved |
| July 1, 2018 – September 12, 2018 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2017 – September 30, 2017 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| December 11, 2016 – May 5, 2017 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| November 1, 2016 – November 30, 2016 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| July 1, 2016 – September 22, 2016 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| June 1, 2016 – June 30, 2016 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| January 1, 2016 – March 31, 2016 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2016 – January 31, 2016 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Radium-226 | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Radium-228 | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Combined Uranium | — | Resolved |
| August 1, 2015 – August 31, 2015 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2015 – September 30, 2015 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Arsenic | — | Resolved |
| February 1, 2014 – February 28, 2014 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| December 1, 2013 – December 31, 2013 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2013 – December 31, 2013 | Monitoring, Regular | Nitrite | — | Resolved |
| October 1, 2013 – December 31, 2013 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 2013 – December 31, 2013 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2013 – September 30, 2013 | Monitoring, Regular | Nitrite | — | Resolved |
| July 1, 2013 – September 30, 2013 | Monitoring, Regular | Nitrate | — | Resolved |
| May 19, 2013 – January 7, 2015 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| April 12, 2013 – April 26, 2013 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| April 9, 2013 – January 7, 2015 | OCCT/SOWT Treatment Installation/Demonstration | Lead and Copper Rule | Health-based | Resolved |
| July 1, 2012 – November 28, 2012 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Nickel | — | Resolved |
| November 1, 2011 – November 30, 2011 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2011 – December 31, 2011 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| June 1, 2009 – June 30, 2009 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2009 – June 30, 2009 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| February 11, 2009 – March 23, 2009 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| February 11, 2009 – March 23, 2009 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| January 11, 2009 – February 27, 2009 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2008 – January 31, 2008 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2008 – February 27, 2008 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2007 – December 31, 2007 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 2007 – September 30, 2007 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 2007 – September 30, 2007 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2006 – March 31, 2006 | Monitoring, Regular | Radium-228 | — | Resolved |
| January 1, 2006 – March 31, 2006 | Monitoring, Regular | Radium-226 | — | Resolved |
| January 1, 2006 – March 31, 2006 | Monitoring, Regular | Combined Uranium | — | Resolved |
| January 1, 2006 – March 31, 2006 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2004 – March 31, 2004 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2002 – September 30, 2002 | Monitoring, Check/Repeat/Confirmation | Nitrate | — | Resolved |
| July 1, 2002 – September 30, 2002 | Maximum Contaminant Level Violation, Single Sample | Nitrate | Health-based | Resolved |
| July 1, 2002 – September 30, 2002 | Monitoring, Check/Repeat/Confirmation | Nitrate | — | Resolved |
| July 1, 2002 – September 30, 2002 | Maximum Contaminant Level Violation, Single Sample | Nitrate | Health-based | Resolved |
| January 1, 2001 – December 31, 2001 | Maximum Contaminant Level Violation, Single Sample | DICHLOROMETHANE | Health-based | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 1999 – June 30, 1999 | Monitoring, Regular | Nitrate | — | Resolved |
| April 1, 1997 – June 30, 1997 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| April 1, 1997 – June 30, 1997 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| April 1, 1997 – June 30, 1997 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 1997 – March 31, 1997 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 1997 – March 31, 1997 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 1997 – March 31, 1997 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 1997 – March 31, 1997 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 1997 – March 31, 1997 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 1997 – March 31, 1997 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Toluene | — | Resolved |
| July 1, 1996 – September 30, 1996 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| July 1, 1996 – September 30, 1996 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| July 1, 1996 – September 30, 1996 | Monitoring, Regular | LASSO | — | Resolved |
| July 1, 1996 – September 30, 1996 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| July 1, 1996 – September 30, 1996 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| April 1, 1996 – June 30, 1996 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| April 1, 1996 – June 30, 1996 | Monitoring, Regular | Nitrate | — | Resolved |
| April 1, 1996 – June 30, 1996 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| April 1, 1996 – June 30, 1996 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| April 1, 1996 – June 30, 1996 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| April 1, 1996 – June 30, 1996 | Monitoring, Regular | LASSO | — | Resolved |
| April 1, 1996 – June 30, 1996 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 1996 – March 31, 1996 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| October 1, 1995 – December 31, 1995 | Monitoring, Regular | LASSO | — | Resolved |
| July 1, 1995 – September 30, 1995 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| July 1, 1995 – September 30, 1995 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| July 1, 1995 – September 30, 1995 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| July 1, 1995 – September 30, 1995 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| July 1, 1995 – September 30, 1995 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| July 1, 1995 – September 30, 1995 | Monitoring, Regular | LASSO | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | LASSO | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 1995 – March 31, 1995 | Monitoring, Regular | LASSO | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Benzene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Toluene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Styrene | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | Benzene | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | Toluene | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | Styrene | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | Toluene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Benzene | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- April 20, 2023State Public Notification requested2 linked violations
- April 20, 2023State Compliance achieved2 linked violations
- April 20, 2023State Public Notification received2 linked violations
- February 22, 2023State Compliance achieved1 linked violation
- January 26, 2023State Formal Notice of Violation issued1 linked violation
- May 12, 2022State Violation/Reminder Notice1 linked violation
- May 12, 2022State Violation/Reminder Notice1 linked violation
- March 10, 2022State Public Notification requested3 linked violations
- March 10, 2022State Public Notification received4 linked violations
- March 10, 2022State Compliance achieved4 linked violations
- February 15, 2022State Compliance achieved1 linked violation
- January 6, 2022State Formal Notice of Violation issued1 linked violation
- January 6, 2022State Formal Notice of Violation issued1 linked violation
- November 9, 2021State Violation/Reminder Notice2 linked violations
- October 14, 2021State Public Notification requested1 linked violation
- October 14, 2021State Violation/Reminder Notice1 linked violation
- August 2, 2021State Compliance achieved2 linked violations
- June 11, 2021State Violation/Reminder Notice1 linked violation
- June 11, 2021State Violation/Reminder Notice1 linked violation
- April 12, 2021State Violation/Reminder Notice1 linked violation
- March 8, 2021State Violation/Reminder Notice1 linked violation
- January 26, 2021State Formal Notice of Violation issued1 linked violation
- September 11, 2020State Public Notification received1 linked violation
- September 11, 2020State Compliance achieved1 linked violation
- September 11, 2020State Public Notification requested1 linked violation
- August 24, 2020State Compliance achieved1 linked violation
- May 11, 2020State Violation/Reminder Notice1 linked violation
- February 26, 2020State Violation/Reminder Notice1 linked violation
- November 26, 2019State Public Notification received2 linked violations
- November 26, 2019State Compliance achieved2 linked violations
- October 24, 2018State Public Notification requested2 linked violations
- October 24, 2018State Violation/Reminder Notice2 linked violations
- September 12, 2018State Compliance achieved2 linked violations
- August 30, 2018State Violation/Reminder Notice1 linked violation
- August 28, 2018State Violation/Reminder Notice1 linked violation
- February 14, 2018State Compliance achieved1 linked violation
- August 22, 2017State Violation/Reminder Notice1 linked violation
- August 22, 2017State Violation/Reminder Notice1 linked violation
- August 1, 2017State Public Notification received1 linked violation
- August 1, 2017State Public Notification received1 linked violation
- August 1, 2017State Compliance achieved3 linked violations
- June 21, 2017State Compliance achieved13 linked violations
- May 5, 2017State Compliance achieved1 linked violation
- May 5, 2017State Public Notification requested1 linked violation
- May 5, 2017State Compliance achieved1 linked violation
- May 4, 2017State Violation/Reminder Notice1 linked violation
- April 21, 2017State Violation/Reminder Notice1 linked violation
- April 21, 2017State Compliance achieved1 linked violation
- April 21, 2017State Violation/Reminder Notice1 linked violation
- April 21, 2017State Compliance achieved1 linked violation
- September 22, 2016State Compliance achieved1 linked violation
- September 22, 2016State Violation/Reminder Notice1 linked violation
- June 30, 2016State Compliance achieved1 linked violation
- June 30, 2016State Public Notification requested1 linked violation
- June 28, 2016State Compliance achieved1 linked violation
- April 21, 2016State Violation/Reminder Notice17 linked violations
- April 21, 2016State Compliance achieved1 linked violation
- December 23, 2015State Violation/Reminder Notice1 linked violation
- December 11, 2015State Compliance achieved1 linked violation
- November 4, 2015State Violation/Reminder Notice1 linked violation
- September 24, 2015State Violation/Reminder Notice1 linked violation
- September 24, 2015State Violation/Reminder Notice1 linked violation
- January 7, 2015State Compliance achieved2 linked violations
- November 14, 2014State Compliance achieved3 linked violations
- May 9, 2014State Violation/Reminder Notice1 linked violation
- May 9, 2014State Violation/Reminder Notice1 linked violation
- May 7, 2014State Compliance achieved2 linked violations
- May 2, 2014State Compliance achieved1 linked violation
- April 7, 2014State Compliance achieved1 linked violation
- April 7, 2014State Violation/Reminder Notice1 linked violation
- February 24, 2014State Compliance achieved2 linked violations
- December 17, 2013State Violation/Reminder Notice2 linked violations
- December 16, 2013State Compliance achieved7 linked violations
- April 26, 2013State Public Notification requested3 linked violations
- April 26, 2013State Compliance achieved3 linked violations
- April 26, 2013State Public Notification received3 linked violations
- April 26, 2013State Violation/Reminder Notice3 linked violations
- April 24, 2013State Violation/Reminder Notice8 linked violations
- November 28, 2012State Compliance achieved1 linked violation
- September 24, 2012State Violation/Reminder Notice1 linked violation
- September 24, 2012State Violation/Reminder Notice1 linked violation
- January 25, 2012State Compliance achieved2 linked violations
- April 21, 2011State Compliance achieved1 linked violation
- March 5, 2010State Compliance achieved40 linked violations
- February 16, 2010State Compliance achieved11 linked violations
- July 28, 2009State Compliance achieved2 linked violations
- March 23, 2009State Compliance achieved2 linked violations
- February 27, 2009State Violation/Reminder Notice1 linked violation
- February 27, 2009State Compliance achieved1 linked violation
- November 24, 2008State Compliance achieved2 linked violations
- November 24, 2008State Violation/Reminder Notice2 linked violations
- August 15, 2008State Compliance achieved2 linked violations
- August 15, 2008State Violation/Reminder Notice2 linked violations
- February 27, 2008State Compliance achieved2 linked violations
- February 14, 2008State Violation/Reminder Notice1 linked violation
- February 14, 2008State Compliance achieved1 linked violation
- May 23, 2006State Compliance achieved4 linked violations
- August 31, 2004State Compliance achieved1 linked violation
- August 31, 2004State Violation/Reminder Notice1 linked violation
- November 6, 2002State Compliance achieved4 linked violations
- November 6, 2002State Violation/Reminder Notice4 linked violations
- January 1, 1997State Compliance achieved758 linked violations
- October 28, 1987State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- October 19, 1981State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
Contact
WESTTOWN SCHOOL
610-399-7842
WEST CHESTER, PA 19382