NICHOLSON, PA · Wyoming County

NICHOLSON BORO AUTH Water System

Current status

5 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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): PA2660011
System type: Community Water System
Population served: 789
Service connections: 234
Ownership: local government
Water source: groundwater (wells)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2025
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
May 11, 2025
Unaddressed
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2025 – March 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2024 – April 30, 2024
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2023 – January 16, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2023 – July 26, 2023
Resolved
Monitoring, Regular
—
Asbestos
January 1, 2022 – December 31, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
September 11, 2021
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
April 11, 2021
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
April 11, 2021
Unaddressed
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2021 – June 30, 2021
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2021 – June 30, 2021
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2021 – March 31, 2021
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Nickel
January 1, 2021 – December 31, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2020 – August 31, 2020
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2020 – December 31, 2020
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
December 1, 2019 – December 31, 2019
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
October 1, 2018 – October 31, 2018
Resolved
Monitoring, Regular
—
Barium
January 1, 2017 – March 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2016 – December 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2016 – December 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2016 – June 30, 2016
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
July 1, 2015 – July 31, 2015
Resolved
Monitoring, Check/Repeat/Confirmation
—
Barium
April 1, 2015 – June 30, 2015
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
December 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Benzene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Toluene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Styrene
January 1, 2011 – December 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2005 – June 8, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2005 – April 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2004 – September 30, 2004
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1999 – December 22, 2000
Resolved
Monitoring, Regular
—
Benzene
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
CHLOROBENZENE
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
Xylenes, Total
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
Styrene
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 1999 – June 30, 1999
Resolved
Monitoring, Regular
—
Toluene
April 1, 1999 – June 30, 1999
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1995 – April 30, 1996
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 1995 – February 28, 1995
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 1995 – January 31, 1995
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 1995 – January 31, 1995
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Xylenes, Total
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Styrene
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Toluene
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 1994 – December 31, 1994
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 1994 – September 30, 1994
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1994 – August 31, 1994
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 1994 – September 30, 1994
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 1994 – July 31, 1994
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
Xylenes, Total
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
Benzene
July 1, 1994 – September 30, 1994
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1994 – August 3, 1995
Resolved
Monitoring, Regular
—
Toluene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
Styrene
July 1, 1994 – September 30, 1994
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
Toluene
April 1, 1994 – June 30, 1994
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 1994 – April 30, 1994
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
Xylenes, Total
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
Carbon tetrachloride
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
Trichloroethylene
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
Tetrachloroethylene
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
CHLOROBENZENE
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
Benzene
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
Ethylbenzene
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
Styrene
April 1, 1994 – June 30, 1994
Archived
Monitoring, Regular
—
Cadmium
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Selenium
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Nickel
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Mercury
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Fluoride
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Chromium
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Arsenic
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Barium
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 1994 – December 31, 1994
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1994 – September 13, 1995
Resolved
Monitoring, Regular
—
Nitrate
October 1, 1993 – December 31, 1993
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 1993 – June 30, 1993
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 1993 – June 30, 1993
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 1993 – May 31, 1993
Resolved
Monitoring, Regular
—
Nitrate
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
Arsenic
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Barium
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Cadmium
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Chromium
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Fluoride
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Mercury
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Selenium
January 1, 1993 – December 31, 1993
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1992 – August 31, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 1992 – July 31, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 1992 – June 30, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 1992 – May 31, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 1992 – April 30, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 1992 – March 31, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 1992 – February 29, 1992
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 1992 – March 31, 1992
Archived
Monitoring, Regular
—
Benzene
January 1, 1992 – March 31, 1992
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1992 – March 31, 1992
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1992 – March 31, 1992
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1992 – March 31, 1992
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1992 – March 31, 1992
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1992 – March 31, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 1992 – January 31, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 1991 – December 31, 1991
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 1991 – September 30, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1991 – August 31, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 1991 – July 31, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 1991 – June 30, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 1991 – May 31, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 1991 – March 31, 1991
Archived
Monitoring, Regular
—
Endrin
June 24, 1982 – June 23, 1985
Archived

Unaddressed no corrective action on record yetArchived 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
October 1, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Unaddressed
May 11, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
January 1, 2025 – March 31, 2025	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived
April 1, 2024 – April 30, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2023 – January 16, 2024	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 11, 2023 – July 26, 2023	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Asbestos	—	Resolved
September 11, 2021	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
April 11, 2021	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
April 11, 2021	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
April 1, 2021 – June 30, 2021	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2021 – June 30, 2021	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Nickel	—	Resolved
August 1, 2020 – August 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Nitrite	—	Resolved
December 1, 2019 – December 31, 2019	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
October 1, 2018 – October 31, 2018	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
January 1, 2017 – March 31, 2017	Monitoring, Regular	Barium	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2015 – July 31, 2015	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Check/Repeat/Confirmation	Barium	—	Resolved
December 1, 2013 – December 31, 2013	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Benzene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Toluene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Styrene	—	Resolved
April 1, 2005 – June 8, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2005 – April 30, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 1999 – December 22, 2000	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	Benzene	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	Xylenes, Total	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	Styrene	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	Ethylbenzene	—	Resolved
April 1, 1999 – June 30, 1999	Monitoring, Regular	Toluene	—	Resolved
July 1, 1995 – April 30, 1996	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
February 1, 1995 – February 28, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 1995 – January 31, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 1995 – January 31, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
December 1, 1994 – December 31, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	Xylenes, Total	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	Styrene	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	Toluene	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
September 1, 1994 – September 30, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 1994 – August 31, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 1994 – July 31, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	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
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 – August 3, 1995	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	Toluene	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	Styrene	—	Resolved
June 1, 1994 – June 30, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	Toluene	—	Archived
April 1, 1994 – April 30, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	Xylenes, Total	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	DICHLOROMETHANE	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	o-Dichlorobenzene	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	p-Dichlorobenzene	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,2-Dichloroethane	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	Carbon tetrachloride	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,2-Dichloropropane	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	Trichloroethylene	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	Tetrachloroethylene	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	CHLOROBENZENE	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	Benzene	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	Ethylbenzene	—	Archived
April 1, 1994 – June 30, 1994	Monitoring, Regular	Styrene	—	Archived
January 1, 1994 – December 31, 1994	Monitoring, Regular	Cadmium	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Selenium	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Nickel	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Mercury	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Fluoride	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Chromium	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Arsenic	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Barium	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 1994 – September 13, 1995	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Archived
June 1, 1993 – June 30, 1993	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 1993 – June 30, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
May 1, 1993 – May 31, 1993	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Arsenic	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Barium	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Cadmium	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Chromium	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Fluoride	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Mercury	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Selenium	—	Archived
August 1, 1992 – August 31, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1992 – July 31, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 1, 1992 – June 30, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
May 1, 1992 – May 31, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 1992 – April 30, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
March 1, 1992 – March 31, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 1992 – February 29, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 1992 – March 31, 1992	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 1992 – March 31, 1992	Monitoring, Regular	Benzene	—	Archived
January 1, 1992 – March 31, 1992	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 1992 – March 31, 1992	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 1992 – March 31, 1992	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 1992 – March 31, 1992	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 1992 – March 31, 1992	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 1992 – January 31, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
December 1, 1991 – December 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 1991 – September 30, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 1991 – August 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1991 – July 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 1, 1991 – June 30, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
May 1, 1991 – May 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
March 1, 1991 – March 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Endrin	—	Archived

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

Enforcement actions

November 4, 2025State Formal Notice of Violation issued1 linked violation
November 4, 2025State Public Notification requested1 linked violation
July 11, 2025State Violation/Reminder Notice1 linked violation
July 11, 2025State Public Notification requested1 linked violation
May 14, 2025State Formal Notice of Violation issued1 linked violation
May 14, 2025State Public Notification requested1 linked violation
August 20, 2024State Compliance achieved1 linked violation
July 9, 2024State Compliance achieved1 linked violation
June 12, 2024State Formal Notice of Violation issued1 linked violation
June 12, 2024State Public Notification requested1 linked violation
January 16, 2024State Violation/Reminder Notice1 linked violation
January 16, 2024State Compliance achieved1 linked violation
December 13, 2023State Compliance achieved1 linked violation
November 14, 2023State Public Notification requested1 linked violation
November 14, 2023State Formal Notice of Violation issued1 linked violation
September 6, 2023State Public Notification requested1 linked violation
September 6, 2023State Formal Notice of Violation issued1 linked violation
July 26, 2023State Compliance achieved1 linked violation
June 12, 2023State Compliance achieved1 linked violation
April 5, 2023State Violation/Reminder Notice1 linked violation
April 6, 2022State Violation/Reminder Notice1 linked violation
April 6, 2022State Violation/Reminder Notice1 linked violation
April 6, 2022State Public Notification requested1 linked violation
April 6, 2022State Public Notification requested1 linked violation
September 15, 2021State Compliance achieved2 linked violations
August 2, 2021State Public Notification requested2 linked violations
August 2, 2021State Violation/Reminder Notice2 linked violations
June 2, 2021State Public Notification requested2 linked violations
June 2, 2021State Violation/Reminder Notice2 linked violations
May 5, 2021State Compliance achieved2 linked violations
May 5, 2021State Violation/Reminder Notice2 linked violations
May 5, 2021State Public Notification requested2 linked violations
February 10, 2021State Compliance achieved2 linked violations
February 4, 2021State Violation/Reminder Notice2 linked violations
February 4, 2021State Public Notification requested2 linked violations
February 3, 2021State Compliance achieved3 linked violations
September 24, 2020State Public Notification requested1 linked violation
September 24, 2020State Violation/Reminder Notice1 linked violation
September 24, 2020State Violation/Reminder Notice1 linked violation
September 24, 2020State Public Notification requested1 linked violation
May 4, 2020State Violation/Reminder Notice2 linked violations
May 4, 2020State Public Notification requested2 linked violations
March 17, 2020State Compliance achieved2 linked violations
March 17, 2020State Violation/Reminder Notice2 linked violations
June 6, 2019State Compliance achieved1 linked violation
January 3, 2019State Violation/Reminder Notice1 linked violation
July 12, 2017State Compliance achieved1 linked violation
July 5, 2017State Public Notification received1 linked violation
May 4, 2017State Violation/Reminder Notice1 linked violation
April 5, 2017State Compliance achieved1 linked violation
February 17, 2017State Compliance achieved1 linked violation
February 10, 2017State Public Notification requested1 linked violation
February 10, 2017State Violation/Reminder Notice1 linked violation
December 14, 2016State Violation/Reminder Notice1 linked violation
September 21, 2016State Compliance achieved1 linked violation
August 31, 2016State Violation/Reminder Notice1 linked violation
August 24, 2015State Public Notification requested1 linked violation
August 24, 2015State Compliance achieved1 linked violation
August 24, 2015State Public Notification received1 linked violation
August 24, 2015State Violation/Reminder Notice1 linked violation
August 18, 2015State Compliance achieved1 linked violation
July 28, 2015State Violation/Reminder Notice1 linked violation
May 6, 2014State Compliance achieved1 linked violation
February 21, 2014State Formal Notice of Violation issued1 linked violation
September 6, 2012State Compliance achieved20 linked violations
February 24, 2012State Compliance achieved2 linked violations
January 27, 2012State Violation/Reminder Notice20 linked violations
December 7, 2011State Violation/Reminder Notice2 linked violations
November 21, 2011State Formal Notice of Violation issued2 linked violations
June 8, 2005State Violation/Reminder Notice2 linked violations
June 8, 2005State Compliance achieved2 linked violations
June 8, 2005State Consent Decree/Judgement2 linked violations
November 22, 2004State Compliance achieved1 linked violation
November 22, 2004State Consent Decree/Judgement1 linked violation
December 3, 1999State Formal Notice of Violation issued865 linked violations

Contact

NICHOLSON BORO AUTH

570-942-0405

NICHOLSON, PA 18446