OAK BROOK, PA · Mercer County

FORREST BROOKE MHP 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): PA6430062
System type: Community Water System
Population served: 491
Service connections: 280
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
May 1, 2023 – May 31, 2023
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
April 1, 2023 – April 30, 2023
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
August 1, 2022 – August 31, 2022
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
June 1, 2022 – June 30, 2022
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2021 – September 30, 2021
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2016 – December 31, 2016
Resolved
Sample Siting Plan Errors (RTCR)
—
Revised Total Coliform Rule
April 1, 2016 – May 2, 2016
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
January 1, 2013 – January 31, 2013
Resolved
Monitoring, Regular
—
Diquat
July 1, 2012 – September 30, 2012
Resolved
Monitoring, Regular
—
Asbestos
January 1, 2011 – December 31, 2013
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 11, 2010 – December 23, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2009 – November 24, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2009 – September 30, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2008 – November 20, 2008
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2008 – January 29, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2008 – March 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2007 – September 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2007 – June 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2007 – March 31, 2007
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 11, 2006 – February 2, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2006 – December 31, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2006 – September 30, 2006
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2005 – June 20, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2005 – September 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2005 – June 30, 2005
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2004 – December 15, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2004 – December 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2004 – September 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2004 – September 30, 2004
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2004 – December 6, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2004 – March 31, 2004
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Benzene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Toluene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Styrene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Selenium
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
Arsenic
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
Barium
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
Cadmium
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
Chromium
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
Fluoride
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
Mercury
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
Nitrate
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
Chromium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Methoxychlor
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Cadmium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Nitrate
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Mercury
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Selenium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Barium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Endrin
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Arsenic
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4-D
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Fluoride
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
August 1, 1976 – July 31, 1980
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
May 1, 2023 – May 31, 2023	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
April 1, 2023 – April 30, 2023	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
August 1, 2022 – August 31, 2022	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
June 1, 2022 – June 30, 2022	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Radium-228	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Radium-226	—	Resolved
April 1, 2016 – May 2, 2016	Sample Siting Plan Errors (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2013 – January 31, 2013	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring, Regular	Diquat	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Asbestos	—	Resolved
November 11, 2010 – December 23, 2010	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2009 – November 24, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2008 – November 20, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2008 – January 29, 2008	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2008 – March 31, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 11, 2006 – February 2, 2007	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2005 – June 20, 2006	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2004 – December 15, 2005	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
October 1, 2004 – December 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2004 – December 6, 2005	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Benzene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Toluene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Styrene	—	Resolved
June 24, 1988 – June 23, 1991	Monitoring, Regular	Selenium	—	Archived
June 24, 1988 – June 23, 1991	Monitoring, Regular	Arsenic	—	Archived
June 24, 1988 – June 23, 1991	Monitoring, Regular	Barium	—	Archived
June 24, 1988 – June 23, 1991	Monitoring, Regular	Cadmium	—	Archived
June 24, 1988 – June 23, 1991	Monitoring, Regular	Chromium	—	Archived
June 24, 1988 – June 23, 1991	Monitoring, Regular	Fluoride	—	Archived
June 24, 1988 – June 23, 1991	Monitoring, Regular	Mercury	—	Archived
June 24, 1988 – June 23, 1991	Monitoring, Regular	Nitrate	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Chromium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Methoxychlor	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Cadmium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Nitrate	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Mercury	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Selenium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Barium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Endrin	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Arsenic	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4-D	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Fluoride	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Toxaphene	—	Archived
August 1, 1976 – July 31, 1980	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

July 3, 2023State Violation/Reminder Notice2 linked violations
July 3, 2023State Compliance achieved2 linked violations
July 3, 2023State Public Notification received2 linked violations
July 3, 2023State Public Notification requested2 linked violations
October 25, 2022State Compliance achieved1 linked violation
October 25, 2022State Violation/Reminder Notice1 linked violation
August 11, 2022State Compliance achieved1 linked violation
August 10, 2022State Violation/Reminder Notice1 linked violation
November 10, 2021State Compliance achieved2 linked violations
November 10, 2021State Public Notification requested2 linked violations
November 10, 2021State Violation/Reminder Notice2 linked violations
June 14, 2021State Compliance achieved1 linked violation
June 14, 2021State Violation/Reminder Notice1 linked violation
August 14, 2017State Compliance achieved4 linked violations
March 15, 2017State Violation/Reminder Notice4 linked violations
May 2, 2016State Compliance achieved1 linked violation
May 2, 2016State Formal Notice of Violation issued1 linked violation
February 3, 2014State Public Notification requested1 linked violation
February 3, 2014State Compliance achieved1 linked violation
February 3, 2014State Violation/Reminder Notice1 linked violation
February 26, 2013State Compliance achieved1 linked violation
February 26, 2013State Violation/Reminder Notice1 linked violation
November 8, 2012State Violation/Reminder Notice1 linked violation
November 8, 2012State Compliance achieved1 linked violation
December 23, 2010State Compliance achieved1 linked violation
December 23, 2010State Violation/Reminder Notice1 linked violation
November 24, 2009State Public Notification requested1 linked violation
November 24, 2009State Compliance achieved1 linked violation
November 24, 2009State Violation/Reminder Notice1 linked violation
October 30, 2009State Compliance achieved1 linked violation
October 30, 2009State Violation/Reminder Notice1 linked violation
November 20, 2008State Compliance achieved1 linked violation
November 20, 2008State Violation/Reminder Notice1 linked violation
May 29, 2008State Compliance achieved1 linked violation
May 29, 2008State Violation/Reminder Notice1 linked violation
January 29, 2008State Violation/Reminder Notice1 linked violation
January 29, 2008State Compliance achieved1 linked violation
January 29, 2008State Public Notification requested1 linked violation
January 24, 2008State Compliance achieved1 linked violation
January 24, 2008State Violation/Reminder Notice1 linked violation
August 9, 2007State Violation/Reminder Notice1 linked violation
August 9, 2007State Compliance achieved1 linked violation
June 7, 2007State Compliance achieved1 linked violation
June 7, 2007State Violation/Reminder Notice1 linked violation
February 2, 2007State Violation/Reminder Notice3 linked violations
February 2, 2007State Compliance achieved3 linked violations
October 20, 2006State Compliance achieved1 linked violation
October 20, 2006State Violation/Reminder Notice1 linked violation
June 20, 2006State Compliance achieved1 linked violation
December 15, 2005State Compliance achieved1 linked violation
December 6, 2005State Consent Decree/Judgement1 linked violation
December 6, 2005State Violation/Reminder Notice1 linked violation
December 6, 2005State Compliance achieved1 linked violation
November 2, 2005State Compliance achieved1 linked violation
November 2, 2005State Compliance achieved1 linked violation
November 2, 2005State Violation/Reminder Notice1 linked violation
November 2, 2005State Violation/Reminder Notice1 linked violation
November 2, 2005State Violation/Reminder Notice1 linked violation
November 2, 2005State Compliance achieved1 linked violation
September 29, 2005State Formal Notice of Violation issued1 linked violation
September 29, 2005State Formal Notice of Violation issued1 linked violation
September 29, 2005State Formal Notice of Violation issued1 linked violation
September 26, 2005State Compliance achieved1 linked violation
September 26, 2005State Consent Decree/Judgement1 linked violation
September 26, 2005State Violation/Reminder Notice1 linked violation
February 8, 2005State Formal Notice of Violation issued2 linked violations
February 8, 2005State Compliance achieved2 linked violations
January 31, 2005State Formal Notice of Violation issued1 linked violation
January 31, 2005State Formal Notice of Violation issued1 linked violation
January 13, 2005State Compliance achieved1 linked violation
January 13, 2005State Formal Notice of Violation issued1 linked violation
October 27, 2004State Formal Notice of Violation issued1 linked violation
October 27, 2004State Formal Notice of Violation issued1 linked violation
June 18, 2004State Compliance achieved1 linked violation
June 18, 2004State Formal Notice of Violation issued1 linked violation
March 24, 2003State Compliance achieved20 linked violations
March 24, 2003State Public Notification received20 linked violations
March 7, 2003State Public Notification requested20 linked violations
March 7, 2003State Formal Notice of Violation issued20 linked violations
March 3, 2003State Formal Notice of Violation issued20 linked violations
March 3, 2003State Public Notification requested20 linked violations
September 5, 1991State Formal Notice of Violation issued8 linked violations
September 5, 1991State Public Notification requested8 linked violations
June 30, 1986State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
March 31, 1986State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
March 14, 1986State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 28, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
February 10, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 7, 1985State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 16, 1985State Violation/Reminder Notice13 linked violations
May 14, 1982State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

Contact

FORREST BROOKE MHP

724-981-9911

OAK BROOK, IL 60523