SEWICKLEY, PA · Allegheny County

SEWICKLEY BORO WATER AUTH 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): PA5020050
System type: Community Water System
Population served: 6,800
Service connections: 2,183
Ownership: local government
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2025 – January 21, 2026
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Nitrate
January 1, 2025 – December 31, 2025
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
December 15, 2024
Unaddressed
Notify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR)
—
Revised Total Coliform Rule
November 4, 2024 – February 14, 2025
Resolved
Treatment Technique, Level 1 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
November 4, 2024 – December 3, 2025
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
February 1, 2024 – February 29, 2024
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
June 1, 2021 – June 30, 2021
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
June 1, 2021 – June 30, 2021
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2019 – January 22, 2020
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2019 – September 30, 2019
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2019 – September 30, 2019
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
February 1, 2018 – February 28, 2018
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
June 1, 2015 – June 30, 2015
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
May 1, 2015 – May 31, 2015
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
March 1, 2015 – March 31, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2012 – August 31, 2012
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2011 – December 31, 2011
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
August 1, 2011 – August 31, 2011
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
August 1, 2011 – August 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Xylenes, Total
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Benzene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Toluene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Styrene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
October 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Aldicarb sulfone
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1984 – June 30, 1988
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2025 – January 21, 2026	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 2025 – December 31, 2025	Monitoring, Regular	Nitrite	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	Nitrate	—	Archived
December 15, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
November 4, 2024 – February 14, 2025	Notify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR)	Revised Total Coliform Rule	—	Resolved
November 4, 2024 – December 3, 2025	Treatment Technique, Level 1 Assessment (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
February 1, 2024 – February 29, 2024	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
June 1, 2021 – June 30, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 1, 2021 – June 30, 2021	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
October 1, 2019 – January 22, 2020	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring and Reporting (DBP)	TTHM	—	Resolved
February 1, 2018 – February 28, 2018	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
June 1, 2015 – June 30, 2015	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
May 1, 2015 – May 31, 2015	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
March 1, 2015 – March 31, 2015	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
August 1, 2012 – August 31, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2011 – December 31, 2011	Monitoring, Regular	Combined Uranium	—	Resolved
October 1, 2011 – December 31, 2011	Monitoring, Regular	Radium-228	—	Resolved
October 1, 2011 – December 31, 2011	Monitoring, Regular	Radium-226	—	Resolved
August 1, 2011 – August 31, 2011	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
August 1, 2011 – August 31, 2011	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
January 1, 2010 – March 31, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Xylenes, Total	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	CHLOROBENZENE	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Benzene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Toluene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Styrene	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
October 1, 1995 – December 31, 1995	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Pentachlorophenol	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Aldicarb sulfone	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
July 1, 1984 – June 30, 1988	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

February 11, 2026State Public Notification requested2 linked violations
February 11, 2026State Formal Notice of Violation issued2 linked violations
January 21, 2026State Compliance achieved1 linked violation
January 14, 2026State Formal Notice of Violation issued1 linked violation
December 3, 2025State Compliance achieved1 linked violation
February 14, 2025State Public Notification requested2 linked violations
February 14, 2025State Compliance achieved1 linked violation
February 14, 2025State Formal Notice of Violation issued3 linked violations
April 12, 2024State Compliance achieved1 linked violation
April 12, 2024State Violation/Reminder Notice1 linked violation
April 8, 2024State Public Notification requested1 linked violation
April 8, 2024State Formal Notice of Violation issued1 linked violation
November 18, 2021State Compliance achieved2 linked violations
November 18, 2021State Violation/Reminder Notice2 linked violations
January 22, 2020State Formal Notice of Violation issued1 linked violation
January 22, 2020State Compliance achieved1 linked violation
January 22, 2020State Public Notification requested1 linked violation
January 22, 2020State Violation/Reminder Notice1 linked violation
November 1, 2019State Formal Notice of Violation issued2 linked violations
November 1, 2019State Compliance achieved2 linked violations
November 1, 2019State Public Notification requested2 linked violations
November 1, 2019State Violation/Reminder Notice2 linked violations
July 20, 2018State Compliance achieved1 linked violation
July 20, 2018State Violation/Reminder Notice1 linked violation
August 24, 2015State Compliance achieved1 linked violation
July 24, 2015State Compliance achieved1 linked violation
June 29, 2015State Compliance achieved1 linked violation
June 1, 2015State Compliance achieved1 linked violation
January 23, 2015State Compliance achieved1 linked violation
October 16, 2012State Compliance achieved1 linked violation
July 20, 2012State Public Notification received3 linked violations
March 16, 2012State Compliance achieved3 linked violations
January 31, 2012State Public Notification requested3 linked violations
January 31, 2012State Formal Notice of Violation issued3 linked violations
November 2, 2011State Compliance achieved1 linked violation
September 28, 2011State Compliance achieved1 linked violation
June 24, 2011State Compliance achieved1 linked violation
June 24, 2011State Technical Assistance Visit1 linked violation
April 20, 2011State Compliance achieved1 linked violation
April 20, 2011State Compliance achieved1 linked violation
March 29, 2011State Violation/Reminder Notice1 linked violation
March 29, 2011State Violation/Reminder Notice1 linked violation
March 25, 2011State Compliance achieved1 linked violation
May 4, 2010State Compliance achieved1 linked violation
January 29, 2010State Compliance achieved1 linked violation
August 15, 2006State Compliance achieved7 linked violations
June 27, 2005State Public Notification received20 linked violations
February 4, 2005State Compliance achieved20 linked violations
November 18, 2004State Formal Notice of Violation issued20 linked violations
November 18, 2004State Public Notification requested20 linked violations
February 6, 1996State Compliance achieved7 linked violations
January 16, 1996State Technical Assistance Visit7 linked violations
January 9, 1996State Formal Notice of Violation issued7 linked violations
August 31, 1988State Formal Notice of Violation issued1 linked violation

Contact

SEWICKLEY BORO WATER AUTH

412-741-9180

SEWICKLEY, PA 15143