DURHAM, PA · Beaver County

HARSHBARGER MHP Water System

Current status

4 open health-based violations on record as of July 4, 2026. See the violation history below for contaminant and status details.

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): PA5040002
System type: Community Water System
Population served: 90
Service connections: 51
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2025 – April 30, 2025
Resolved
Monitoring, Regular
—
Endothall
January 1, 2025 – November 14, 2025
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
August 3, 2024 – February 21, 2025
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
August 3, 2024 – February 21, 2025
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
August 3, 2024 – February 21, 2025
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
August 3, 2024
Unaddressed
Failure To Address Deficiency
Health-based
Groundwater Rule
August 3, 2024 – February 21, 2025
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
August 3, 2024 – February 21, 2025
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
August 3, 2024 – February 21, 2025
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
August 3, 2024
Unaddressed
Failure To Address Deficiency
Health-based
Groundwater Rule
August 3, 2024
Unaddressed
Failure To Address Deficiency
Health-based
Groundwater Rule
August 3, 2024
Unaddressed
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
March 1, 2024 – March 31, 2024
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2024 – February 29, 2024
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
February 1, 2024 – February 29, 2024
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
November 1, 2023 – November 30, 2023
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2023 – November 30, 2023
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
November 1, 2023 – November 30, 2023
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2023 – December 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2023 – December 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
September 1, 2023 – September 30, 2023
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2023 – September 30, 2023
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
September 1, 2023 – September 30, 2023
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2022 – December 31, 2022
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2022 – December 6, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – November 1, 2022
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2022 – February 28, 2022
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
February 1, 2022 – February 28, 2022
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
February 1, 2022 – February 28, 2022
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
January 1, 2022 – March 31, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 16, 2021 – November 2, 2022
Resolved
Notify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR)
—
Revised Total Coliform Rule
October 6, 2021 – November 2, 2022
Resolved
Treatment Technique, Level 1 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
October 6, 2021 – December 16, 2022
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2021 – December 31, 2021
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
September 1, 2021 – September 30, 2021
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
September 1, 2021 – September 30, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2021 – September 30, 2021
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
July 1, 2021 – July 31, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2021 – July 31, 2021
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2021 – July 31, 2021
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
June 1, 2021 – June 30, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2021 – June 30, 2021
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
June 1, 2021 – June 30, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2021 – May 31, 2021
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
May 1, 2021 – May 31, 2021
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2020 – July 21, 2021
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – July 21, 2021
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2019 – October 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2019 – October 31, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2019 – September 30, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2019 – September 30, 2019
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2019 – September 30, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2019 – July 31, 2019
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Nickel
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2015 – December 31, 2015
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
November 1, 2014 – November 30, 2014
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
May 1, 2014 – May 31, 2014
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 1, 2014 – July 28, 2014
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
December 1, 2013 – December 31, 2013
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 2013 – December 31, 2013
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
August 1, 2013 – August 31, 2013
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
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
—
Benzo(a)pyrene
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Picloram
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Endothall
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Endrin
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
—
LASSO
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2013 – March 31, 2013
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2011 – September 30, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2011 – June 30, 2011
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Nitrate
April 1, 2011 – June 30, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Nitrite
April 1, 2011 – June 30, 2011
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2010 – June 30, 2010
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2010 – March 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2009 – June 30, 2009
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2009 – March 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2008 – June 2, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2007 – March 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2006 – September 21, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2006 – June 30, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2006 – March 31, 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
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2004 – December 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2004 – September 30, 2004
Archived
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
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2004 – December 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2004 – March 31, 2004
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2003 – April 30, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2003 – March 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2003 – February 28, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2003 – January 31, 2003
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Selenium
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Nickel
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Mercury
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Chromium
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Barium
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Methoxychlor
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
BHC-GAMMA
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Mercury
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Nitrate
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4-D
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Selenium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Barium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Cadmium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Chromium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Fluoride
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Arsenic
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Endrin
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1980 – June 30, 1984
Archived

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2025 – April 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2025 – November 14, 2025	Monitoring, Regular	Endothall	—	Resolved
August 3, 2024 – February 21, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
August 3, 2024 – February 21, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
August 3, 2024 – February 21, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
August 3, 2024	Failure To Address Deficiency	Groundwater Rule	Health-based	Unaddressed
August 3, 2024 – February 21, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
August 3, 2024 – February 21, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
August 3, 2024 – February 21, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
August 3, 2024	Failure To Address Deficiency	Groundwater Rule	Health-based	Unaddressed
August 3, 2024	Failure To Address Deficiency	Groundwater Rule	Health-based	Unaddressed
August 3, 2024	Failure To Address Deficiency	Groundwater Rule	Health-based	Unaddressed
March 1, 2024 – March 31, 2024	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
February 1, 2024 – February 29, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2024 – February 29, 2024	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
November 1, 2023 – November 30, 2023	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
November 1, 2023 – November 30, 2023	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2023 – November 30, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2023 – December 31, 2023	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2023 – December 31, 2023	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
September 1, 2023 – September 30, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
September 1, 2023 – September 30, 2023	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2023 – September 30, 2023	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
December 1, 2022 – December 31, 2022	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2022 – December 6, 2022	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2022 – November 1, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
February 1, 2022 – February 28, 2022	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2022 – February 28, 2022	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
February 1, 2022 – February 28, 2022	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
January 1, 2022 – March 31, 2022	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
November 16, 2021 – November 2, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 6, 2021 – November 2, 2022	Notify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR)	Revised Total Coliform Rule	—	Resolved
October 6, 2021 – December 16, 2022	Treatment Technique, Level 1 Assessment (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
October 1, 2021 – December 31, 2021	Monitoring and Reporting (DBP)	TTHM	—	Resolved
September 1, 2021 – September 30, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
September 1, 2021 – September 30, 2021	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
September 1, 2021 – September 30, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2021 – July 31, 2021	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2021 – July 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2021 – July 31, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 1, 2021 – June 30, 2021	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
June 1, 2021 – June 30, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2021 – June 30, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
May 1, 2021 – May 31, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2021 – May 31, 2021	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
October 1, 2020 – July 21, 2021	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2020 – July 21, 2021	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2019 – October 31, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2019 – October 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2019 – September 30, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2019 – September 30, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2019 – July 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Nickel	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	CYANIDE	—	Resolved
November 1, 2014 – November 30, 2014	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
May 1, 2014 – May 31, 2014	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
May 1, 2014 – July 28, 2014	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 1, 2013 – December 31, 2013	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
December 1, 2013 – December 31, 2013	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
August 1, 2013 – August 31, 2013	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	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	Benzo(a)pyrene	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Picloram	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Endothall	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Endrin	—	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	LASSO	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
September 1, 2011 – September 30, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2011 – June 30, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 2011 – June 30, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Nitrate	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Nitrite	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Nitrite	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2009 – March 31, 2009	Monitoring, Regular	Nitrate	—	Resolved
April 1, 2008 – June 2, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2006 – September 21, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring and Reporting (DBP)	Chlorine	—	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 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Archived
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
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Archived
April 1, 2003 – April 30, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
March 1, 2003 – March 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 2003 – February 28, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2003 – January 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Selenium	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Nickel	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Mercury	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Chromium	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Barium	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
June 24, 1982 – June 23, 1985	Monitoring, Regular	Methoxychlor	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	BHC-GAMMA	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Mercury	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Nitrate	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4-D	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Selenium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Barium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Cadmium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Chromium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Fluoride	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Arsenic	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Endrin	—	Archived
July 1, 1980 – June 30, 1984	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

November 14, 2025State Compliance achieved1 linked violation
August 7, 2025State Public Notification requested1 linked violation
August 7, 2025State Formal Notice of Violation issued1 linked violation
June 23, 2025State Compliance achieved1 linked violation
June 9, 2025State Public Notification requested1 linked violation
June 9, 2025State Formal Notice of Violation issued1 linked violation
March 10, 2025State Compliance achieved2 linked violations
February 21, 2025State Compliance achieved6 linked violations
November 20, 2024State Compliance achieved1 linked violation
September 23, 2024State Formal Notice of Violation issued10 linked violations
September 23, 2024State Public Notification requested10 linked violations
June 27, 2024State Compliance achieved2 linked violations
June 27, 2024State Public Notification received2 linked violations
June 14, 2024State Violation/Reminder Notice1 linked violation
April 8, 2024State Public Notification requested2 linked violations
April 8, 2024State Formal Notice of Violation issued2 linked violations
February 13, 2024State Formal Notice of Violation issued2 linked violations
February 13, 2024State Public Notification requested2 linked violations
January 18, 2024State Compliance achieved1 linked violation
January 18, 2024State Compliance achieved3 linked violations
January 9, 2024State Formal Notice of Violation issued3 linked violations
January 9, 2024State Public Notification requested3 linked violations
January 3, 2024State Compliance achieved3 linked violations
November 8, 2023State Formal Notice of Violation issued3 linked violations
November 8, 2023State Public Notification requested3 linked violations
February 9, 2023State Public Notification requested1 linked violation
February 9, 2023State Formal Notice of Violation issued1 linked violation
December 16, 2022State Compliance achieved1 linked violation
December 16, 2022State Public Notification received1 linked violation
December 6, 2022State Violation/Reminder Notice1 linked violation
December 6, 2022State Compliance achieved1 linked violation
November 2, 2022State Public Notification requested1 linked violation
November 2, 2022State Compliance achieved2 linked violations
November 2, 2022State Formal Notice of Violation issued3 linked violations
November 1, 2022State Compliance achieved1 linked violation
November 1, 2022State Violation/Reminder Notice1 linked violation
July 1, 2022State Compliance achieved1 linked violation
May 9, 2022State Compliance achieved3 linked violations
May 9, 2022State Violation/Reminder Notice4 linked violations
March 29, 2022State Compliance achieved2 linked violations
March 29, 2022State Violation/Reminder Notice2 linked violations
February 2, 2022State Violation/Reminder Notice3 linked violations
December 3, 2021State Compliance achieved10 linked violations
December 3, 2021State Violation/Reminder Notice10 linked violations
July 22, 2021State Violation/Reminder Notice1 linked violation
July 22, 2021State Compliance achieved1 linked violation
July 21, 2021State Compliance achieved1 linked violation
July 21, 2021State Public Notification received2 linked violations
July 21, 2021State Compliance achieved3 linked violations
April 29, 2021State Public Notification requested2 linked violations
April 29, 2021State Formal Notice of Violation issued2 linked violations
February 10, 2021State Violation/Reminder Notice2 linked violations
January 6, 2021State Violation/Reminder Notice1 linked violation
September 30, 2020State Violation/Reminder Notice1 linked violation
September 30, 2020State Violation/Reminder Notice1 linked violation
January 15, 2020State Compliance achieved2 linked violations
January 15, 2020State Compliance achieved2 linked violations
November 27, 2019State Violation/Reminder Notice2 linked violations
November 27, 2019State Violation/Reminder Notice2 linked violations
November 27, 2019State Compliance achieved2 linked violations
August 23, 2019State Formal Notice of Violation issued2 linked violations
January 25, 2017State Compliance achieved1 linked violation
January 23, 2017State Violation/Reminder Notice1 linked violation
March 14, 2016State Compliance achieved1 linked violation
February 23, 2016State Compliance achieved1 linked violation
February 23, 2016State Violation/Reminder Notice2 linked violations
January 13, 2015State Compliance achieved2 linked violations
January 13, 2015State Violation/Reminder Notice2 linked violations
July 28, 2014State Violation/Reminder Notice2 linked violations
July 28, 2014State Compliance achieved2 linked violations
February 4, 2014State Compliance achieved2 linked violations
January 27, 2014State Violation/Reminder Notice2 linked violations
October 2, 2013State Compliance achieved1 linked violation
May 20, 2013State Compliance achieved30 linked violations
October 31, 2011State Compliance achieved1 linked violation
August 17, 2011State Compliance achieved5 linked violations
August 17, 2011State Violation/Reminder Notice5 linked violations
June 15, 2011State Compliance achieved1 linked violation
June 7, 2011State Violation/Reminder Notice1 linked violation
October 13, 2010State Compliance achieved5 linked violations
August 10, 2010State Public Notification received4 linked violations
August 10, 2010State Public Notification received4 linked violations
July 29, 2010State Public Notification requested4 linked violations
July 29, 2010State Formal Notice of Violation issued4 linked violations
July 29, 2010State Formal Notice of Violation issued4 linked violations
July 29, 2010State Public Notification requested4 linked violations
May 13, 2010State Public Notification received1 linked violation
May 13, 2010State Public Notification received1 linked violation
April 29, 2010State Public Notification requested1 linked violation
April 29, 2010State Violation/Reminder Notice1 linked violation
April 29, 2010State Violation/Reminder Notice1 linked violation
April 29, 2010State Public Notification requested1 linked violation
October 15, 2009State Compliance achieved2 linked violations
August 3, 2009State Public Notification received2 linked violations
August 3, 2009State Public Notification received2 linked violations
July 22, 2009State Violation/Reminder Notice2 linked violations
July 22, 2009State Public Notification requested2 linked violations
July 22, 2009State Public Notification requested2 linked violations
July 22, 2009State Violation/Reminder Notice2 linked violations
June 23, 2009State Compliance achieved1 linked violation
May 4, 2009State Public Notification received1 linked violation
April 23, 2009State Public Notification requested1 linked violation
April 23, 2009State Violation/Reminder Notice1 linked violation
June 2, 2008State Compliance achieved1 linked violation
May 28, 2008State Violation/Reminder Notice1 linked violation
April 24, 2007State Compliance achieved1 linked violation
April 24, 2007State Violation/Reminder Notice1 linked violation
September 21, 2006State Compliance achieved1 linked violation
September 21, 2006State Formal Notice of Violation issued1 linked violation
August 1, 2006State Compliance achieved1 linked violation
August 1, 2006State Violation/Reminder Notice1 linked violation
July 27, 2006State Formal Notice of Violation issued1 linked violation
July 27, 2006State Compliance achieved1 linked violation
April 25, 2006State Compliance achieved1 linked violation
April 25, 2006State Violation/Reminder Notice1 linked violation
November 30, 2005State Violation/Reminder Notice1 linked violation
November 30, 2005State Consent Decree/Judgement1 linked violation
November 30, 2005State Compliance achieved1 linked violation
August 5, 2005State Compliance achieved1 linked violation
August 5, 2005State Consent Decree/Judgement1 linked violation
August 5, 2005State Formal Notice of Violation issued1 linked violation
April 13, 2005State Violation/Reminder Notice1 linked violation
April 13, 2005State Compliance achieved1 linked violation
April 13, 2005State Consent Decree/Judgement1 linked violation
April 8, 2005State Consent Decree/Judgement2 linked violations
April 8, 2005State Compliance achieved2 linked violations
April 8, 2005State Violation/Reminder Notice2 linked violations
March 22, 2005State Compliance achieved12 linked violations
March 22, 2005State Consent Decree/Judgement12 linked violations
March 22, 2005State Violation/Reminder Notice12 linked violations
March 17, 2005State Consent Decree/Judgement3 linked violations
March 17, 2005State Compliance achieved1 linked violation
March 17, 2005State Violation/Reminder Notice1 linked violation
March 14, 2005State Compliance achieved2 linked violations
March 14, 2005State Violation/Reminder Notice2 linked violations
August 27, 2003State Compliance Meeting conducted4 linked violations
August 27, 2003State Compliance achieved4 linked violations
August 28, 1987State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
September 12, 1985State Public Notification received14 linked violations
May 22, 1984State Violation/Reminder Notice1 linked violation
July 19, 1981State Public Notification receivedgeneral compliance action — not tied to a specific violation on record

Contact

HARSHBARGER MHP

412-571-1720

DURHAM, NC 27703