DUQUESNE, PA · Allegheny County

DUQUESNE WATER DEPT 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): PA5020012
System type: Community Water System
Population served: 5,565
Service connections: 2,110
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2025 – December 3, 2025
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2024 – December 31, 2024
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2023 – January 31, 2023
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2022 – December 14, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 11, 2022 – December 8, 2022
Resolved
Monitoring, Regular
—
Asbestos
January 1, 2022 – December 31, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2022 – March 31, 2022
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2021 – December 14, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2021 – October 1, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2021 – June 30, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 18, 2019 – October 22, 2019
Resolved
Reporting, Assessment Forms (RTCR)
—
Revised Total Coliform Rule
July 8, 2019 – October 22, 2019
Resolved
Notify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR)
—
Revised Total Coliform Rule
July 8, 2019 – October 22, 2019
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2019 – October 22, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2019 – May 31, 2019
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2019 – June 30, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2018 – December 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2018 – December 31, 2018
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2018 – November 19, 2018
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2018 – December 31, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 10, 2018
Unaddressed
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2017 – December 31, 2017
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 6, 2017 – July 27, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2017 – September 30, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 10, 2017 – March 6, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 10, 2016 – March 14, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2016 – December 31, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2016 – September 30, 2016
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
TTHM
April 11, 2016 – July 5, 2016
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2015 – February 28, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2015 – February 28, 2015
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2015 – March 31, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2012 – July 31, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
2,4,5-TP
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Endrin
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
BHC-GAMMA
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Methoxychlor
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
2,4-D
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Barium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4-D
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Mercury
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Endrin
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Selenium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Chromium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Fluoride
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Arsenic
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
BHC-GAMMA
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Methoxychlor
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1980 – June 30, 1984
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2025 – December 3, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
October 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2023 – January 31, 2023	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2022 – December 14, 2022	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
May 11, 2022 – December 8, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Asbestos	—	Resolved
January 1, 2022 – March 31, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2021 – December 14, 2022	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2021 – October 1, 2021	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2021 – June 30, 2021	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
August 18, 2019 – October 22, 2019	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 8, 2019 – October 22, 2019	Reporting, Assessment Forms (RTCR)	Revised Total Coliform Rule	—	Resolved
July 8, 2019 – October 22, 2019	Notify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2019 – October 22, 2019	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
May 1, 2019 – May 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2019 – June 30, 2019	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
December 1, 2018 – December 31, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
December 1, 2018 – December 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2018 – November 19, 2018	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
February 10, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
October 1, 2017 – December 31, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 6, 2017 – July 27, 2017	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
February 10, 2017 – March 6, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
November 10, 2016 – March 14, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2016 – September 30, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 11, 2016 – July 5, 2016	Failure Submit IDSE/Subpart V Plan Rpt	TTHM	—	Resolved
February 1, 2015 – February 28, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2015 – February 28, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2015 – March 31, 2015	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2012 – July 31, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 24, 1985 – June 23, 1988	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Endrin	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	BHC-GAMMA	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Methoxychlor	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	2,4-D	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Barium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4-D	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Mercury	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Endrin	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Selenium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Chromium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Fluoride	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Arsenic	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	BHC-GAMMA	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Methoxychlor	—	Archived
July 1, 1980 – June 30, 1984	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

December 3, 2025State Compliance achieved1 linked violation
December 3, 2025State Violation/Reminder Notice1 linked violation
July 31, 2025State Public Notification requested1 linked violation
July 31, 2025State Compliance achieved1 linked violation
July 31, 2025State Public Notification received1 linked violation
July 31, 2025State Violation/Reminder Notice1 linked violation
September 4, 2024State Compliance achieved1 linked violation
September 4, 2024State Public Notification received1 linked violation
November 14, 2023State Formal Notice of Violation issued1 linked violation
November 14, 2023State Public Notification requested1 linked violation
October 20, 2023State Compliance achieved3 linked violations
March 14, 2023State Public Notification requested3 linked violations
March 14, 2023State Formal Notice of Violation issued3 linked violations
December 14, 2022State Compliance achieved1 linked violation
December 14, 2022State Compliance achieved1 linked violation
December 8, 2022State Formal Notice of Violation issued1 linked violation
December 8, 2022State Compliance achieved1 linked violation
December 8, 2022State Public Notification requested1 linked violation
November 3, 2022State Compliance achieved1 linked violation
August 23, 2022State Violation/Reminder Notice2 linked violations
January 13, 2022State Public Notification requested1 linked violation
January 13, 2022State Formal Notice of Violation issued1 linked violation
October 1, 2021State Compliance achieved2 linked violations
October 1, 2021State Public Notification received1 linked violation
July 27, 2021State Formal Notice of Violation issued1 linked violation
July 27, 2021State Public Notification requested1 linked violation
September 9, 2020State Compliance achieved1 linked violation
October 23, 2019State Compliance achieved3 linked violations
October 23, 2019State Violation/Reminder Notice3 linked violations
October 23, 2019State Formal Notice of Violation issued3 linked violations
October 23, 2019State Public Notification requested3 linked violations
October 22, 2019State Formal Notice of Violation issued2 linked violations
October 22, 2019State Compliance achieved4 linked violations
October 22, 2019State Public Notification requested2 linked violations
October 22, 2019State Violation/Reminder Notice2 linked violations
February 7, 2019State Formal Notice of Violation issued3 linked violations
February 7, 2019State Public Notification requested3 linked violations
February 7, 2019State Compliance achieved3 linked violations
February 7, 2019State Violation/Reminder Notice3 linked violations
November 19, 2018State Violation/Reminder Notice1 linked violation
November 19, 2018State Public Notification requested1 linked violation
November 19, 2018State Compliance achieved1 linked violation
November 19, 2018State Formal Notice of Violation issued1 linked violation
April 11, 2018State Violation/Reminder Notice1 linked violation
April 11, 2018State Compliance achieved1 linked violation
April 11, 2018State Public Notification requested1 linked violation
November 15, 2017State Formal Notice of Violation issued1 linked violation
November 15, 2017State Public Notification requested1 linked violation
November 15, 2017State Public Notification received1 linked violation
July 27, 2017State Compliance achieved1 linked violation
July 6, 2017State Formal Notice of Violation issued1 linked violation
March 14, 2017State Compliance achieved2 linked violations
March 14, 2017State Public Notification received2 linked violations
March 6, 2017State Compliance achieved2 linked violations
March 6, 2017State Public Notification received2 linked violations
February 10, 2017State Compliance Meeting conducted1 linked violation
February 10, 2017State Public Notification requested1 linked violation
February 10, 2017State Formal Notice of Violation issued2 linked violations
November 7, 2016State Formal Notice of Violation issued2 linked violations
November 7, 2016State Public Notification requested1 linked violation
July 5, 2016State Public Notification received1 linked violation
July 5, 2016State Compliance achieved1 linked violation
May 11, 2016State Violation/Reminder Notice1 linked violation
May 11, 2016State Public Notification requested1 linked violation
April 24, 2015State Compliance achieved3 linked violations
September 6, 2012State Compliance achieved1 linked violation
September 6, 2012State Public Notification received1 linked violation
August 31, 2012State Formal Notice of Violation issued1 linked violation
August 31, 2012State Public Notification requested1 linked violation
November 23, 2011State Public Notification received1 linked violation
November 23, 2011State Compliance achieved1 linked violation
November 1, 2011State Public Notification requested1 linked violation
November 1, 2011State Formal Notice of Violation issued1 linked violation
August 31, 1988State Formal Notice of Violation issued6 linked violations
January 3, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
October 8, 1985State Violation/Reminder Notice12 linked violations
October 2, 1985State Violation/Reminder Notice1 linked violation
May 8, 1985State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 19, 1985State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
May 22, 1984State Violation/Reminder Notice1 linked violation
September 30, 1983Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
September 30, 1982Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record

Contact

DUQUESNE WATER DEPT

412-466-8535

DUQUESNE, PA 15110