MEXICO, PA · Juniata County

GRONINGER FARMS ARCH ROCK 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): PA4340005
System type: Community Water System
Population served: 175
Service connections: 63
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2022 – December 31, 2022
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
February 1, 2021 – February 28, 2021
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
October 1, 2018 – December 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2018 – June 30, 2018
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2013 – October 31, 2013
Resolved
Monitoring, Regular
—
Diquat
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Endothall
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Simazine
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Picloram
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
LASSO
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Endrin
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2013 – March 31, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – September 20, 2012
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
June 1, 2012 – August 9, 2012
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
June 1, 2012 – June 30, 2012
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2012 – October 26, 2012
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2011 – March 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2010 – September 30, 2010
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2022 – December 31, 2022	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Xylenes, Total	—	Resolved
February 1, 2021 – February 28, 2021	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
April 1, 2018 – June 30, 2018	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2013 – October 31, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Diquat	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Endothall	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Simazine	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Picloram	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	LASSO	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Endrin	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Dalapon	—	Resolved
July 1, 2012 – September 20, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2012 – August 9, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
June 1, 2012 – June 30, 2012	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
January 1, 2012 – October 26, 2012	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

June 27, 2023State Public Notification received2 linked violations
June 27, 2023State Compliance achieved2 linked violations
January 30, 2023State Public Notification requested2 linked violations
January 23, 2023State Violation/Reminder Notice2 linked violations
April 29, 2021State Compliance achieved1 linked violation
February 28, 2020State Public Notification received1 linked violation
May 1, 2019State Compliance achieved1 linked violation
February 14, 2019State Public Notification requested1 linked violation
February 14, 2019State Formal Notice of Violation issued1 linked violation
August 13, 2018State Compliance achieved1 linked violation
August 13, 2018State Violation/Reminder Notice1 linked violation
December 17, 2013State Compliance achieved1 linked violation
December 17, 2013State Violation/Reminder Notice1 linked violation
May 6, 2013State Public Notification received28 linked violations
April 30, 2013State Compliance achieved28 linked violations
April 26, 2013State Violation/Reminder Notice28 linked violations
February 6, 2013State Compliance achieved1 linked violation
October 26, 2012State Public Notification received1 linked violation
October 26, 2012State Compliance achieved1 linked violation
October 4, 2012State Compliance achieved1 linked violation
September 20, 2012State Violation/Reminder Notice1 linked violation
September 20, 2012State Compliance achieved1 linked violation
August 31, 2012State Administrative Penalty assessed1 linked violation
August 31, 2012State Administrative Penalty assessed1 linked violation
August 9, 2012State Formal Notice of Violation issued1 linked violation
August 9, 2012State Compliance achieved1 linked violation
August 9, 2012State Formal Notice of Violation issued2 linked violations
May 23, 2012State Formal Notice of Violation issued1 linked violation
May 23, 2012State Formal Notice of Violation issued1 linked violation
January 20, 2012State Violation/Reminder Notice1 linked violation
January 20, 2012State Violation/Reminder Notice1 linked violation
November 23, 2011State Compliance achieved1 linked violation
August 4, 2011State Compliance achieved1 linked violation
April 28, 2011State Violation/Reminder Notice1 linked violation
October 26, 2010State Violation/Reminder Notice1 linked violation

Contact

GRONINGER FARMS ARCH ROCK

717-436-6982

MEXICO, PA 17056