AMBRIDGE, PA · Beaver County

AMBRIDGE WATER AUTH Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Pennsylvania’s official records. Always confirm current status with Pennsylvania before making decisions based on this information.

System facts

System ID (PWSID): PA5040008
System type: Community Water System
Population served: 19,500
Service connections: 7,578
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2026 – January 31, 2026
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2026 – January 31, 2026
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
December 1, 2025 – February 28, 2026
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
October 11, 2025 – February 3, 2026
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 11, 2025 – February 3, 2026
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2025 – December 31, 2025
Archived
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2025 – June 30, 2025
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2025 – February 28, 2025
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
February 1, 2025 – February 28, 2025
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2024 – September 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2024 – September 30, 2024
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
July 1, 2023 – December 4, 2025
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
October 1, 2018 – December 31, 2018
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2017 – July 28, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 10, 2016 – November 28, 2016
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2016 – December 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2016 – December 31, 2016
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2012 – December 31, 2012
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 11, 2011 – November 2, 2011
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Endothall
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
April 1, 2011 – June 30, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 10, 2011 – November 2, 2011
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2011 – March 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
January 1, 2011 – March 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2011 – March 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2010 – December 31, 2010
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
October 1, 2010 – December 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2010 – December 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2010 – December 31, 2010
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2006 – July 31, 2006
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2004 – December 31, 2004
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2004 – December 31, 2004
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2004 – November 30, 2004
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2004 – November 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2004 – December 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2004 – July 31, 2004
Archived
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
July 1, 2004 – September 30, 2004
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2004 – July 31, 2004
Archived
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2004 – September 30, 2004
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2004 – May 31, 2004
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2004 – May 31, 2004
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
April 1, 2004 – June 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2004 – March 31, 2004
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2004 – March 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2004 – March 31, 2004
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2004 – March 31, 2004
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2003 – November 30, 2003
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2003 – November 30, 2003
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2003 – September 30, 2003
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2003 – July 31, 2003
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2003 – September 30, 2003
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2003 – September 30, 2003
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2003 – June 30, 2003
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2003 – May 31, 2003
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2003 – June 30, 2003
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2003 – April 30, 2003
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2003 – March 31, 2003
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2003 – February 28, 2003
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
January 1, 2003 – March 31, 2003
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2003 – January 31, 2003
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2002 – December 31, 2002
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2002 – November 30, 2002
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2002 – October 31, 2002
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2002 – September 30, 2002
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2002 – August 31, 2002
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2002 – July 31, 2002
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2002 – July 31, 2002
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2002 – June 30, 2002
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2002 – May 31, 2002
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2002 – March 31, 2002
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2002 – February 28, 2002
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2002 – January 31, 2002
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2001 – July 31, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2001 – July 31, 2001
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2001 – February 28, 2001
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 1999 – March 31, 1999
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 1996 – May 31, 1996
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
May 1, 1996 – May 31, 1996
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 1996 – March 31, 1996
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 1996 – January 31, 1996
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 1995 – November 30, 1995
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 1991 – June 30, 1991
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 1991 – May 31, 1991
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 1991 – March 31, 1991
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 1991 – February 28, 1991
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 1991 – February 28, 1991
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 1991 – January 31, 1991
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1990 – December 31, 1990
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1988 – June 30, 1992
Resolved
Monitoring, Regular
—
BHC-GAMMA
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Methoxychlor
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4-D
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Endrin
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Endrin
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Methoxychlor
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
BHC-GAMMA
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
2,4-D
June 24, 1980 – June 23, 1981
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2026 – January 31, 2026	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2026 – January 31, 2026	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
December 1, 2025 – February 28, 2026	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Archived
October 11, 2025 – February 3, 2026	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 11, 2025 – February 3, 2026	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2025 – December 31, 2025	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Archived
April 1, 2025 – June 30, 2025	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
February 1, 2025 – February 28, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2025 – February 28, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2023 – December 4, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	Fluoride	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2017 – July 28, 2017	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
November 10, 2016 – November 28, 2016	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2016 – September 30, 2016	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Fluoride	—	Resolved
May 11, 2011 – November 2, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Endothall	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
February 10, 2011 – November 2, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2011 – March 31, 2011	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2011 – March 31, 2011	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
October 1, 2010 – December 31, 2010	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
October 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2006 – July 31, 2006	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
December 1, 2004 – December 31, 2004	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2004 – December 31, 2004	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2004 – November 30, 2004	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2004 – November 30, 2004	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2004 – December 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 2004 – July 31, 2004	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
July 1, 2004 – September 30, 2004	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
July 1, 2004 – July 31, 2004	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Archived
May 1, 2004 – May 31, 2004	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2004 – May 31, 2004	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2004 – June 30, 2004	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
March 1, 2004 – March 31, 2004	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2004 – March 31, 2004	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2004 – March 31, 2004	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
November 1, 2003 – November 30, 2003	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2003 – November 30, 2003	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2003 – September 30, 2003	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2003 – July 31, 2003	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2003 – September 30, 2003	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 2003 – September 30, 2003	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 1, 2003 – June 30, 2003	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2003 – May 31, 2003	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2003 – June 30, 2003	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
April 1, 2003 – April 30, 2003	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2003 – March 31, 2003	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2003 – February 28, 2003	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2003 – March 31, 2003	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 2003 – January 31, 2003	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
December 1, 2002 – December 31, 2002	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2002 – November 30, 2002	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2002 – October 31, 2002	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2002 – September 30, 2002	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2002 – August 31, 2002	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2002 – July 31, 2002	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2002 – July 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 2002 – June 30, 2002	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2002 – May 31, 2002	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2002 – March 31, 2002	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2002 – February 28, 2002	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2002 – January 31, 2002	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2001 – July 31, 2001	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2001 – July 31, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 2001 – February 28, 2001	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 1999 – March 31, 1999	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 1996 – May 31, 1996	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 1996 – May 31, 1996	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
March 1, 1996 – March 31, 1996	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 1996 – January 31, 1996	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 1995 – November 30, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 1991 – June 30, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 1991 – May 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 1991 – March 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 1991 – February 28, 1991	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
February 1, 1991 – February 28, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 1991 – January 31, 1991	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
December 1, 1990 – December 31, 1990	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 1988 – June 30, 1992	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
June 24, 1982 – June 23, 1985	Monitoring, Regular	BHC-GAMMA	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Methoxychlor	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4-D	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Endrin	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Endrin	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Methoxychlor	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	BHC-GAMMA	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	2,4-D	—	Archived

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

Enforcement actions

March 23, 2026State Compliance achieved2 linked violations
March 11, 2026State Formal Notice of Violation issued2 linked violations
March 11, 2026State Public Notification requested2 linked violations
February 12, 2026State Public Notification requested2 linked violations
February 12, 2026State Formal Notice of Violation issued2 linked violations
February 3, 2026State Public Notification received2 linked violations
February 3, 2026State Public Notification received2 linked violations
February 3, 2026State Compliance achieved2 linked violations
December 24, 2025State Public Notification requested2 linked violations
December 24, 2025State Violation/Reminder Notice2 linked violations
December 4, 2025State Compliance achieved1 linked violation
October 7, 2025State Compliance achieved1 linked violation
August 13, 2025State Public Notification requested1 linked violation
August 13, 2025State Formal Notice of Violation issued1 linked violation
August 1, 2025State Compliance achieved2 linked violations
April 14, 2025State Formal Notice of Violation issued2 linked violations
April 14, 2025State Public Notification requested2 linked violations
December 26, 2024State Compliance achieved2 linked violations
November 12, 2024State Formal Notice of Violation issued2 linked violations
November 12, 2024State Public Notification requested2 linked violations
November 4, 2024State Formal Notice of Violation issued1 linked violation
November 4, 2024State Public Notification requested1 linked violation
February 14, 2024State Compliance achieved1 linked violation
February 13, 2024State Formal Notice of Violation issued1 linked violation
March 29, 2019State Compliance achieved1 linked violation
February 4, 2019State Violation/Reminder Notice1 linked violation
September 12, 2018State Public Notification received2 linked violations
July 28, 2017State Compliance achieved1 linked violation
July 21, 2017State Violation/Reminder Notice1 linked violation
June 28, 2017State Compliance achieved2 linked violations
February 17, 2017State Public Notification requested2 linked violations
February 17, 2017State Formal Notice of Violation issued2 linked violations
November 28, 2016State Public Notification received2 linked violations
November 28, 2016State Compliance achieved2 linked violations
November 10, 2016State Formal Notice of Violation issued2 linked violations
November 10, 2016State Violation/Reminder Notice2 linked violations
November 10, 2016State Public Notification requested2 linked violations
February 5, 2013State Compliance achieved1 linked violation
February 5, 2013State Violation/Reminder Notice1 linked violation
January 23, 2012State Violation/Reminder Notice1 linked violation
January 23, 2012State Compliance achieved1 linked violation
November 2, 2011State Compliance achieved8 linked violations
November 2, 2011State Public Notification received8 linked violations
September 14, 2011State Violation/Reminder Notice4 linked violations
September 14, 2011State Compliance achieved4 linked violations
June 14, 2011State Compliance achieved2 linked violations
May 13, 2011State Public Notification requested8 linked violations
May 13, 2011State Compliance Meeting conducted8 linked violations
September 14, 2006State Compliance achieved1 linked violation
September 14, 2006State Violation/Reminder Notice1 linked violation
November 10, 2005State Compliance achieved1 linked violation
November 10, 2005State Consent Decree/Judgement1 linked violation
March 17, 2005State Consent Decree/Judgement12 linked violations
March 17, 2005State Compliance achieved9 linked violations
March 17, 2005State Compliance Meeting conducted9 linked violations
March 2, 2005State Violation/Reminder Notice3 linked violations
March 2, 2005State Compliance Meeting conducted9 linked violations
March 2, 2005State Compliance achieved12 linked violations
September 14, 2004State Compliance Meeting conducted5 linked violations
September 14, 2004State Compliance achieved5 linked violations
September 8, 2004State Compliance achieved1 linked violation
September 8, 2004State Compliance Meeting conducted1 linked violation
May 14, 2004State Compliance achieved2 linked violations
May 14, 2004State Compliance Meeting conducted2 linked violations
February 5, 2004State Compliance achieved1 linked violation
February 3, 2004State Compliance Meeting conducted13 linked violations
February 3, 2004State Compliance achieved14 linked violations
January 23, 2004State Compliance achieved11 linked violations
January 23, 2004State Compliance achieved1 linked violation
January 23, 2004State Compliance Meeting conducted1 linked violation
January 23, 2004State Compliance Meeting conducted11 linked violations
June 1, 2001State Formal Notice of Violation issued1 linked violation
September 12, 1985State Public Notification requested5 linked violations
May 25, 1983State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
January 15, 1983State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
September 30, 1982Federal issued Formal Notice of Violation22 linked violations
July 19, 1981State Public Notification requested6 linked violations

Contact

AMBRIDGE WATER AUTH

724-266-1145

AMBRIDGE, PA 15003