AVONDALE, PA · Chester County

BOROUGH OF AVONDALE Water System

Current status

1 item on record is 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): PA1150005
System type: Community Water System
Population served: 1,108
Service connections: 362
Ownership: local government
Water source: groundwater (wells)

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2026
Unaddressed
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
December 1, 2025 – December 31, 2025
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
April 1, 2025 – April 30, 2025
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
January 1, 2025 – January 31, 2025
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
November 1, 2024 – November 30, 2024
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
June 1, 2024 – June 30, 2024
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
May 1, 2024 – May 31, 2024
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
February 1, 2024 – February 29, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – August 26, 2025
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
June 1, 2023 – June 30, 2023
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
February 1, 2023 – February 28, 2023
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2023 – May 4, 2023
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
January 1, 2023 – January 31, 2023
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
December 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2021 – December 31, 2021
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – November 13, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2014 – September 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2014 – September 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2012 – June 20, 2012
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Chromium
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2011 – December 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Nickel
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
May 1, 2010 – May 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2010 – June 30, 2010
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2010 – March 5, 2010
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2010 – March 5, 2010
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2010 – March 5, 2010
Resolved
Monitoring, Regular
—
Nitrate
April 1, 2009 – June 30, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2009 – March 6, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2009 – January 31, 2009
Resolved
Monitoring, Regular
—
Nitrate
October 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2008 – December 31, 2008
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 11, 2007 – January 14, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 11, 2007 – January 14, 2011
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2007 – March 31, 2007
Resolved
Monitoring, Regular
—
Nitrate
October 1, 2006 – December 31, 2006
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 11, 2006 – August 25, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2006 – June 30, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2006 – February 28, 2006
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2006 – March 31, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2006 – March 31, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Nitrate
October 1, 2005 – December 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2005 – December 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2005 – December 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2005 – September 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Nitrate
April 1, 2005 – June 30, 2005
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Benzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Toluene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Styrene
January 1, 2005 – December 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 2004 – July 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2003 – August 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2002 – July 31, 2002
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
Nitrate
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2000 – June 30, 2004
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2000 – September 30, 2000
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1997 – March 31, 1997
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1996 – September 30, 1996
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfone
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 1995 – March 31, 1995
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Benzene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Toluene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Styrene
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Nitrate
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
—
CYANIDE
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Chromium
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Cadmium
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Barium
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Arsenic
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1992 – April 30, 1992
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1992 – February 29, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1992 – January 31, 1992
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 1991 – December 31, 1991
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1988 – June 30, 1992
Resolved
Monitoring, Regular
—
Nitrate
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
Mercury
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
Fluoride
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
BHC-GAMMA
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
2,4-D
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
2,4,5-TP
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
—
Endrin
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
Methoxychlor
June 24, 1988 – June 23, 1991
Archived
Monitoring, Regular
—
Selenium
June 24, 1988 – June 23, 1991
Archived

Unaddressed no corrective action on record yetResolved 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
January 1, 2026	Lead Consumer Notice	Lead and Copper Rule	—	Unaddressed
December 1, 2025 – December 31, 2025	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
April 1, 2025 – April 30, 2025	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
January 1, 2025 – January 31, 2025	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
November 1, 2024 – November 30, 2024	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
June 1, 2024 – June 30, 2024	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
May 1, 2024 – May 31, 2024	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
February 1, 2024 – February 29, 2024	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2023 – August 26, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2023 – June 30, 2023	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
February 1, 2023 – February 28, 2023	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
January 11, 2023 – May 4, 2023	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2023 – January 31, 2023	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
December 1, 2022 – December 31, 2022	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	Radium-228	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	Radium-226	—	Resolved
July 1, 2015 – November 13, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2012 – June 20, 2012	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Chromium	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Nickel	—	Resolved
May 1, 2010 – May 31, 2010	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 11, 2010 – March 5, 2010	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2010 – March 5, 2010	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2010 – March 5, 2010	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2009 – March 6, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2009 – January 31, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 11, 2007 – January 14, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 11, 2007 – January 14, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Combined Uranium	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Nitrate	—	Resolved
July 11, 2006 – August 25, 2006	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Combined Uranium	—	Resolved
February 1, 2006 – February 28, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Nitrate	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Benzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Toluene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Styrene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2004 – July 31, 2004	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
August 1, 2003 – August 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2002 – July 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
March 1, 2002 – March 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2000 – June 30, 2004	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
July 1, 2000 – September 30, 2000	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 1997 – March 31, 1997	Monitoring, Regular	Nitrate	—	Resolved
September 1, 1996 – September 30, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Aldicarb sulfone	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Pentachlorophenol	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Benzene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Toluene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Styrene	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Nitrate	—	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	CYANIDE	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Chromium	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Cadmium	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Barium	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Arsenic	—	Resolved
April 1, 1992 – April 30, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 1992 – February 29, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1992 – January 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
December 1, 1991 – December 31, 1991	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
July 1, 1988 – June 30, 1992	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
June 24, 1988 – June 23, 1991	Monitoring, Regular	Nitrate	—	Archived
June 24, 1988 – June 23, 1991	Monitoring, Regular	Mercury	—	Archived
June 24, 1988 – June 23, 1991	Monitoring, Regular	Fluoride	—	Archived
June 24, 1988 – June 23, 1991	Monitoring, Regular	BHC-GAMMA	—	Archived
June 24, 1988 – June 23, 1991	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1988 – June 23, 1991	Monitoring, Regular	2,4-D	—	Archived
June 24, 1988 – June 23, 1991	Monitoring, Regular	2,4,5-TP	—	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	Endrin	—	Archived
June 24, 1988 – June 23, 1991	Monitoring, Regular	Methoxychlor	—	Archived
June 24, 1988 – June 23, 1991	Monitoring, Regular	Selenium	—	Archived

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

Enforcement actions

February 12, 2026State Compliance achieved1 linked violation
February 11, 2026State Public Notification requested1 linked violation
February 11, 2026State Formal Notice of Violation issued1 linked violation
February 6, 2026State Formal Notice of Violation issued1 linked violation
December 9, 2025State Violation/Reminder Notice1 linked violation
December 9, 2025State Compliance achieved1 linked violation
August 26, 2025State Compliance achieved1 linked violation
August 22, 2025State Compliance achieved2 linked violations
August 22, 2025State Compliance achieved2 linked violations
August 22, 2025State Public Notification received2 linked violations
August 22, 2025State Compliance achieved1 linked violation
August 13, 2025State Formal Notice of Violation issued1 linked violation
August 13, 2025State Compliance achieved2 linked violations
June 9, 2025State Formal Notice of Violation issued1 linked violation
March 14, 2025State Formal Notice of Violation issued1 linked violation
August 13, 2024State Formal Notice of Violation issued1 linked violation
July 2, 2024State Compliance achieved1 linked violation
June 27, 2024State Compliance achieved1 linked violation
June 27, 2024State Violation/Reminder Notice1 linked violation
May 29, 2024State Compliance achieved1 linked violation
April 8, 2024State Formal Notice of Violation issued1 linked violation
August 28, 2023State Public Notification requested1 linked violation
August 28, 2023State Violation/Reminder Notice1 linked violation
August 9, 2023State Public Notification requested1 linked violation
August 9, 2023State Formal Notice of Violation issued1 linked violation
May 4, 2023State Compliance achieved3 linked violations
April 12, 2023State Violation/Reminder Notice1 linked violation
March 7, 2023State Violation/Reminder Notice3 linked violations
February 1, 2023State Compliance achieved2 linked violations
January 26, 2023State Violation/Reminder Notice1 linked violation
January 26, 2023State Public Notification requested1 linked violation
February 14, 2022State Public Notification requested2 linked violations
February 14, 2022State Violation/Reminder Notice2 linked violations
June 16, 2016State Public Notification received2 linked violations
June 16, 2016State Compliance achieved2 linked violations
June 16, 2016State Public Notification requested2 linked violations
November 13, 2015State Compliance achieved1 linked violation
January 21, 2015State Violation/Reminder Notice2 linked violations
July 9, 2014State Public Notification requested12 linked violations
July 9, 2014State Compliance achieved12 linked violations
July 9, 2014State Public Notification received12 linked violations
January 29, 2014State Violation/Reminder Notice12 linked violations
June 20, 2012State Compliance achieved1 linked violation
June 20, 2012State Violation/Reminder Notice1 linked violation
August 12, 2011State Compliance achieved1 linked violation
May 10, 2011State Compliance achieved1 linked violation
March 18, 2011State Violation/Reminder Notice1 linked violation
January 14, 2011State Compliance achieved2 linked violations
July 6, 2010State Compliance achieved2 linked violations
March 5, 2010State Compliance achieved5 linked violations
March 5, 2010State Public Notification received5 linked violations
July 24, 2009State Compliance achieved1 linked violation
July 1, 2009State Compliance achieved4 linked violations
July 1, 2009State Compliance achieved4 linked violations
June 30, 2009State Compliance achieved1 linked violation
June 30, 2009State Compliance achieved1 linked violation
March 6, 2009State Compliance achieved2 linked violations
January 30, 2009State Violation/Reminder Notice5 linked violations
January 30, 2009State Public Notification requested5 linked violations
January 30, 2009State Public Notification requested5 linked violations
January 30, 2009State Violation/Reminder Notice5 linked violations
January 29, 2009State Compliance achieved1 linked violation
August 6, 2007State Compliance achieved2 linked violations
June 20, 2007State Formal Notice of Violation issued2 linked violations
June 20, 2007State Public Notification requested2 linked violations
May 21, 2007State Compliance achieved3 linked violations
January 30, 2007State Compliance achieved1 linked violation
November 13, 2006State Compliance achieved1 linked violation
August 25, 2006State Compliance achieved3 linked violations
August 16, 2006State Compliance achieved1 linked violation
June 19, 2006State Compliance achieved2 linked violations
June 19, 2006State Compliance achieved2 linked violations
May 3, 2006State Formal Notice of Violation issued2 linked violations
May 3, 2006State Public Notification requested2 linked violations
May 3, 2006State Public Notification requested2 linked violations
May 3, 2006State Formal Notice of Violation issued2 linked violations
May 3, 2006State Compliance achieved2 linked violations
April 19, 2006State Compliance achieved1 linked violation
April 19, 2006State Compliance achieved2 linked violations
January 27, 2006State Compliance achieved23 linked violations
January 27, 2006State Compliance achieved22 linked violations
January 27, 2006State Consent Decree/Judgement22 linked violations
January 27, 2006State Violation/Reminder Notice1 linked violation
January 5, 2006State Compliance achieved3 linked violations
January 5, 2006State Compliance achieved3 linked violations
January 5, 2006State Consent Decree/Judgement2 linked violations
August 26, 2005State Consent Decree/Judgement1 linked violation
August 26, 2005State Compliance achieved1 linked violation
August 26, 2005State Compliance achieved1 linked violation
August 26, 2005State Consent Decree/Judgement1 linked violation
January 5, 2005State Compliance achieved1 linked violation
January 5, 2005State Violation/Reminder Notice1 linked violation
September 2, 2004State Compliance achieved2 linked violations
August 31, 2004State Violation/Reminder Notice2 linked violations
August 30, 2004State Formal Notice of Violation issued1 linked violation
August 30, 2004State Compliance achieved1 linked violation
January 7, 2004State Compliance achieved1 linked violation
January 7, 2004State Violation/Reminder Notice1 linked violation
October 1, 2003State Compliance achieved1 linked violation
October 1, 2003State Violation/Reminder Notice1 linked violation
March 20, 2003State Compliance achieved1 linked violation
March 20, 2003State Violation/Reminder Notice1 linked violation
March 8, 1991State Formal Notice of Violation issued1 linked violation
September 30, 1982Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
January 19, 1982State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

Contact

BOROUGH OF AVONDALE

610-268-8501

AVONDALE, PA 19311