WEST GROVE, PA · Chester County
WEST GROVE BOROUGH 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)
- PA1150105
- System type
- Community Water System
- Population served
- 2,873
- Service connections
- 938
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
December 1, 2024 – December 31, 2024
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2024 – January 31, 2024
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
January 1, 2024 – January 31, 2024
ResolvedMonitoring, Regular
—Endothall
January 1, 2023 – December 31, 2023
ResolvedTreatment Technique (SWTR and GWR)
Health-basedGroundwater Rule
December 1, 2019 – December 31, 2019
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2018 – August 29, 2018
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Styrene
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Toluene
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Benzene
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2018 – December 31, 2018
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2016 – September 28, 2016
ResolvedReport Sample Result/Fail Monitor (RTCR)
—Revised Total Coliform Rule
July 1, 2016 – September 28, 2016
ResolvedReport Sample Result/Fail Monitor (RTCR)
—Revised Total Coliform Rule
June 1, 2016 – September 28, 2016
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—2,3,7,8-TCDD
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Simazine
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Picloram
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Atrazine
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—LASSO
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—2,4-D
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Endrin
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Diquat
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Endothall
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Glyphosate
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Simazine
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Picloram
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Atrazine
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—LASSO
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—2,3,7,8-TCDD
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Chlordane
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Endrin
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Dalapon
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Diquat
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Endothall
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Glyphosate
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2014 – August 15, 2014
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2014 – August 15, 2014
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2013 – September 30, 2013
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2012 – March 2, 2012
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
September 1, 2011 – October 31, 2011
ResolvedTreatment Technique (SWTR and GWR)
Health-basedGroundwater Rule
September 1, 2011 – September 30, 2011
ResolvedTreatment Technique (SWTR and GWR)
Health-basedGroundwater Rule
July 1, 2011 – July 31, 2011
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
July 1, 2011 – October 31, 2011
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2010 – December 31, 2010
ResolvedMonitoring, Regular
—Arsenic
January 1, 2009 – December 31, 2009
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2007 – August 21, 2007
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2005 – September 30, 2005
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2005 – June 30, 2005
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2005 – June 30, 2005
ResolvedMonitoring, Regular
—Nitrate
October 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Nitrate
October 1, 2004 – December 31, 2004
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2004 – September 30, 2004
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2004 – September 30, 2004
ResolvedMonitoring, Regular
—Nitrate
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—Nitrate
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—Fluoride
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Fluoride
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2002 – June 30, 2002
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2001 – January 31, 2001
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 2000 – June 30, 2004
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
May 1, 2000 – May 31, 2000
ResolvedMonitoring, Regular
—Benzene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Styrene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Toluene
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Nitrate
July 1, 1998 – September 30, 1998
ArchivedMonitoring, Regular
—Nitrate
July 1, 1998 – September 30, 1998
ArchivedMonitoring, Regular
—Atrazine
January 1, 1996 – December 31, 1996
ResolvedMonitoring, Regular
—2,4-D
January 1, 1996 – December 31, 1996
ResolvedMonitoring, Regular
—Atrazine
January 1, 1996 – December 31, 1996
ResolvedMonitoring, Regular
—Aldicarb sulfone
July 1, 1995 – September 30, 1995
ResolvedMonitoring, Regular
—Aldicarb sulfoxide
July 1, 1995 – September 30, 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
—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
—Benzene
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
—Xylenes, Total
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
—1,1,2-Trichloroethane
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—Tetrachloroethylene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—Benzene
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
—p-Dichlorobenzene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—Carbon tetrachloride
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
—cis-1,2-Dichloroethylene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1984 – June 30, 1988
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1980 – June 30, 1984
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 1, 2024 – December 31, 2024 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| January 1, 2024 – January 31, 2024 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2024 – January 31, 2024 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| January 1, 2023 – December 31, 2023 | Monitoring, Regular | Endothall | — | Resolved |
| December 1, 2019 – December 31, 2019 | Treatment Technique (SWTR and GWR) | Groundwater Rule | Health-based | Resolved |
| July 1, 2018 – August 29, 2018 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| July 1, 2016 – September 28, 2016 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2016 – September 28, 2016 | Report Sample Result/Fail Monitor (RTCR) | Revised Total Coliform Rule | — | Resolved |
| June 1, 2016 – September 28, 2016 | Report Sample Result/Fail Monitor (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | 2,3,7,8-TCDD | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | 2,3,7,8-TCDD | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2014 – August 15, 2014 | Monitoring, Regular | OXAMYL | — | Resolved |
| July 1, 2013 – September 30, 2013 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2012 – March 2, 2012 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| September 1, 2011 – October 31, 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 |
| July 1, 2011 – July 31, 2011 | Treatment Technique (SWTR and GWR) | Groundwater Rule | Health-based | Resolved |
| July 1, 2011 – October 31, 2011 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| October 1, 2010 – December 31, 2010 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Arsenic | — | Resolved |
| July 1, 2007 – August 21, 2007 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2005 – September 30, 2005 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| June 1, 2005 – June 30, 2005 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2005 – June 30, 2005 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2004 – December 31, 2004 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 2004 – December 31, 2004 | Monitoring, Regular | Nitrate | — | Resolved |
| September 1, 2004 – September 30, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2004 – September 30, 2004 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | Nitrate | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Fluoride | — | Resolved |
| June 1, 2002 – June 30, 2002 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2001 – January 31, 2001 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2000 – June 30, 2004 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| May 1, 2000 – May 31, 2000 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Toluene | — | Resolved |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Nitrate | — | Archived |
| July 1, 1998 – September 30, 1998 | Monitoring, Regular | Nitrate | — | Archived |
| January 1, 1996 – December 31, 1996 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 1996 – December 31, 1996 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 1996 – December 31, 1996 | Monitoring, Regular | Atrazine | — | Resolved |
| July 1, 1995 – September 30, 1995 | Monitoring, Regular | Aldicarb sulfone | — | Resolved |
| July 1, 1995 – September 30, 1995 | Monitoring, Regular | Aldicarb sulfoxide | — | 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 | 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 | Benzene | — | 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 |
| July 1, 1994 – September 30, 1994 | Monitoring, Regular | Xylenes, Total | — | 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 |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | Benzene | — | 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 | p-Dichlorobenzene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | Carbon tetrachloride | — | 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 | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| July 1, 1984 – June 30, 1988 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| July 1, 1980 – June 30, 1984 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- December 2, 2025State Compliance achieved1 linked violation
- December 2, 2025State Violation/Reminder Notice1 linked violation
- September 3, 2025State Violation/Reminder Notice1 linked violation
- September 3, 2025State Compliance achieved1 linked violation
- August 28, 2025State Compliance achieved1 linked violation
- August 27, 2025State Compliance achieved2 linked violations
- August 27, 2025State Compliance achieved2 linked violations
- February 11, 2025State Violation/Reminder Notice1 linked violation
- February 6, 2025State Compliance achieved1 linked violation
- February 6, 2025State Violation/Reminder Notice1 linked violation
- March 12, 2024State Formal Notice of Violation issued2 linked violations
- August 28, 2023State Violation/Reminder Notice2 linked violations
- April 3, 2020State Compliance achieved2 linked violations
- April 3, 2020State Public Notification received2 linked violations
- February 14, 2020State Public Notification requested2 linked violations
- February 14, 2020State Violation/Reminder Notice2 linked violations
- February 5, 2019State Public Notification requested20 linked violations
- February 5, 2019State Compliance achieved20 linked violations
- February 5, 2019State Violation/Reminder Notice20 linked violations
- August 29, 2018State Compliance achieved1 linked violation
- August 29, 2018State Violation/Reminder Notice1 linked violation
- September 28, 2016State Compliance achieved3 linked violations
- September 28, 2016State Violation/Reminder Notice3 linked violations
- July 7, 2016State Violation/Reminder Notice1 linked violation
- July 7, 2016State Compliance achieved1 linked violation
- July 7, 2016State Public Notification received1 linked violation
- July 7, 2016State Public Notification requested1 linked violation
- August 15, 2014State Compliance achieved60 linked violations
- October 24, 2013State Violation/Reminder Notice1 linked violation
- October 24, 2013State Compliance achieved1 linked violation
- March 2, 2012State Violation/Reminder Notice1 linked violation
- March 2, 2012State Compliance achieved1 linked violation
- October 31, 2011State Public Notification received4 linked violations
- October 31, 2011State Compliance achieved4 linked violations
- October 28, 2011State Public Notification requested4 linked violations
- October 28, 2011State Compliance achieved1 linked violation
- October 28, 2011State Violation/Reminder Notice4 linked violations
- June 6, 2011State Compliance achieved1 linked violation
- June 3, 2011State Violation/Reminder Notice1 linked violation
- February 4, 2011State Compliance achieved1 linked violation
- February 2, 2011State Violation/Reminder Notice1 linked violation
- February 3, 2010State Compliance achieved2 linked violations
- August 21, 2007State Compliance achieved1 linked violation
- December 20, 2005State Consent Decree/Judgement1 linked violation
- December 20, 2005State Compliance achieved1 linked violation
- August 16, 2005State Compliance achieved2 linked violations
- August 16, 2005State Consent Decree/Judgement2 linked violations
- August 16, 2005State Consent Decree/Judgement2 linked violations
- August 16, 2005State Compliance achieved2 linked violations
- March 2, 2005State Compliance achieved2 linked violations
- February 11, 2005State Formal Notice of Violation issued2 linked violations
- December 3, 2004State Violation/Reminder Notice2 linked violations
- December 3, 2004State Compliance achieved2 linked violations
- September 15, 2004State Compliance achieved1 linked violation
- August 31, 2004State Formal Notice of Violation issued1 linked violation
- August 30, 2004State Compliance achieved2 linked violations
- August 30, 2004State Violation/Reminder Notice2 linked violations
- February 24, 2004State Compliance achieved2 linked violations
- February 24, 2004State Violation/Reminder Notice2 linked violations
- January 20, 2004State Compliance achieved1 linked violation
- January 20, 2004State Formal Notice of Violation issued1 linked violation
- January 7, 2004State Violation/Reminder Notice1 linked violation
- January 7, 2004State Compliance achieved1 linked violation
- June 11, 1991State Compliance achieved2 linked violations
- September 30, 1988State Formal Notice of Violation issued1 linked violation
- July 6, 1987State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- May 22, 1984State Violation/Reminder Notice1 linked violation
- October 14, 1982State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
Contact
WEST GROVE BOROUGH
610-869-2792
WEST GROVE, PA 19390