FARMINGTON HILLS, PA · Adams County

WALNUT GROVE MHC 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): PA7010053
System type: Community Water System
Population served: 425
Service connections: 167
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
January 1, 2026 – January 31, 2026
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 2022 – December 31, 2022
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
November 1, 2020 – November 30, 2020
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
November 1, 2020 – November 30, 2020
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2015 – May 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2015 – June 30, 2015
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2013 – September 30, 2013
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 11, 2009 – November 25, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2009 – December 31, 2009
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – September 9, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2008 – September 30, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2005 – September 30, 2005
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2004 – February 11, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2004 – March 14, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
Barium
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Chromium
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Mercury
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Nickel
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Selenium
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1998 – September 30, 1998
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1998 – December 31, 1998
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 1998 – March 29, 1999
Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2026 – January 31, 2026	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Archived
October 1, 2022 – December 31, 2022	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
November 1, 2020 – November 30, 2020	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
November 1, 2020 – November 30, 2020	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
May 1, 2015 – May 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2013 – September 30, 2013	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 11, 2009 – November 25, 2009	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2009 – December 31, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2008 – September 9, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2008 – September 30, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
September 1, 2005 – September 30, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2004 – February 11, 2005	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2004 – March 14, 2005	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Barium	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Chromium	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Mercury	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Nickel	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Selenium	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Thallium, Total	—	Resolved
September 1, 1998 – September 30, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 1998 – March 29, 1999	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

March 11, 2026State Public Notification requested1 linked violation
March 11, 2026State Formal Notice of Violation issued1 linked violation
February 13, 2023State Compliance achieved1 linked violation
February 9, 2023State Formal Notice of Violation issued1 linked violation
January 14, 2021State Compliance achieved2 linked violations
January 6, 2021State Violation/Reminder Notice2 linked violations
June 30, 2015State Compliance achieved2 linked violations
June 30, 2015State Violation/Reminder Notice2 linked violations
October 17, 2013State Compliance achieved1 linked violation
February 25, 2010State Compliance achieved1 linked violation
February 2, 2010State Compliance achieved1 linked violation
February 2, 2010State Violation/Reminder Notice1 linked violation
November 25, 2009State Violation/Reminder Notice1 linked violation
November 25, 2009State Compliance achieved1 linked violation
November 18, 2008State Compliance achieved1 linked violation
September 9, 2008State Compliance achieved1 linked violation
August 28, 2008State Violation/Reminder Notice1 linked violation
February 15, 2006State Compliance achieved1 linked violation
February 15, 2006State Consent Decree/Judgement1 linked violation
February 10, 2006State Violation/Reminder Notice1 linked violation
March 14, 2005State Consent Decree/Judgement1 linked violation
March 14, 2005State Compliance achieved1 linked violation
February 11, 2005State Formal Notice of Violation issued1 linked violation
February 11, 2005State Compliance achieved1 linked violation
February 11, 2005State Consent Decree/Judgement1 linked violation
November 4, 2004State Formal Notice of Violation issued1 linked violation
November 4, 2004State Formal Notice of Violation issued1 linked violation
October 29, 2004State Compliance achieved1 linked violation
October 29, 2004State Consent Decree/Judgement1 linked violation
October 21, 2004State Violation/Reminder Notice1 linked violation
May 14, 2004State Compliance achieved12 linked violations
March 11, 2004State Violation/Reminder Notice12 linked violations

Contact

WALNUT GROVE MHC

717-337-0413

FARMINGTON HILLS, MI 48334