TARENTUM, PA · Allegheny County

TARENTUM BORO WATER DEPT 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): PA5020055
System type: Community Water System
Population served: 4,927
Service connections: 1,850
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
Archived
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2026 – January 31, 2026
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2026 – January 31, 2026
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2025 – December 31, 2025
Archived
Monitoring and Reporting (DBP)
—
Chlorine
December 1, 2025 – December 31, 2025
Archived
Monitoring and Reporting (DBP)
—
Chlorine
November 1, 2025 – November 30, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2025 – November 30, 2025
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2025 – November 30, 2025
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2025 – October 31, 2025
Archived
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2025 – December 31, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2025 – December 31, 2025
Archived
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2025 – October 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2025 – October 31, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2025 – June 30, 2025
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2025 – March 31, 2025
Resolved
Monitoring, Regular
—
Dalapon
October 1, 2023 – December 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2019 – October 31, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2019 – September 30, 2019
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2017 – December 31, 2017
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2014 – December 31, 2014
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2014 – November 30, 2014
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2014 – November 14, 2014
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2012 – June 30, 2012
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2011 – June 30, 2011
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2007 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2007 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2006 – June 30, 2006
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2005 – September 30, 2005
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2005 – September 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2005 – September 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2005 – June 30, 2005
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2005 – June 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2005 – June 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2005 – June 30, 2005
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2005 – March 31, 2005
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2005 – March 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2005 – March 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Simazine
January 1, 2004 – December 31, 2004
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2003 – October 31, 2003
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2000 – June 30, 2004
Resolved
Monitoring, Regular
—
Selenium
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Arsenic
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Barium
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Cadmium
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Chromium
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Fluoride
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Mercury
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Nitrate
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Mercury
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Chromium
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Nitrate
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Fluoride
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Selenium
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Cadmium
June 25, 1984 – June 24, 1985
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Endrin
May 31, 1984 – July 30, 1984
Archived
Monitoring, Regular
—
Arsenic
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Selenium
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Mercury
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Fluoride
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Barium
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Chromium
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Endrin
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4-D
June 24, 1982 – June 23, 1985
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2026 – January 31, 2026	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 2026 – January 31, 2026	Monitoring and Reporting (DBP)	Chlorine	—	Archived
January 1, 2026 – January 31, 2026	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
December 1, 2025 – December 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
December 1, 2025 – December 31, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Archived
November 1, 2025 – November 30, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Archived
November 1, 2025 – November 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
November 1, 2025 – November 30, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
October 1, 2025 – October 31, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
October 1, 2025 – December 31, 2025	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Archived
October 1, 2025 – December 31, 2025	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
October 1, 2025 – October 31, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Archived
October 1, 2025 – October 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 2025 – June 30, 2025	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2025 – March 31, 2025	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2023 – December 31, 2023	Monitoring, Regular	Dalapon	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
October 1, 2019 – October 31, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2019 – September 30, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2017 – December 31, 2017	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
December 1, 2014 – December 31, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2014 – November 30, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2014 – November 14, 2014	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
September 1, 2005 – September 30, 2005	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2005 – September 30, 2005	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 1, 2005 – June 30, 2005	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
June 1, 2005 – June 30, 2005	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
March 1, 2005 – March 31, 2005	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2005 – March 31, 2005	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Simazine	—	Resolved
October 1, 2003 – October 31, 2003	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2000 – June 30, 2004	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Selenium	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Arsenic	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Barium	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Cadmium	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Chromium	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Fluoride	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Mercury	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Nitrate	—	Resolved
June 25, 1984 – June 24, 1985	Monitoring, Regular	Mercury	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Chromium	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Nitrate	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Fluoride	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Selenium	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Cadmium	—	Archived
May 31, 1984 – July 30, 1984	Maximum Contaminant Level Violation, Single Sample	Endrin	Health-based	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Arsenic	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Selenium	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Mercury	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Fluoride	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Barium	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Chromium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Endrin	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4-D	—	Archived

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

Enforcement actions

March 11, 2026State Public Notification requested3 linked violations
March 11, 2026State Formal Notice of Violation issued3 linked violations
February 12, 2026State Public Notification requested1 linked violation
February 12, 2026State Formal Notice of Violation issued1 linked violation
February 11, 2026State Formal Notice of Violation issued3 linked violations
February 11, 2026State Public Notification requested3 linked violations
January 7, 2026State Public Notification requested3 linked violations
January 7, 2026State Formal Notice of Violation issued3 linked violations
December 10, 2025State Public Notification requested3 linked violations
December 10, 2025State Formal Notice of Violation issued3 linked violations
December 4, 2025State Compliance achieved1 linked violation
July 30, 2025State Public Notification received1 linked violation
July 30, 2025State Formal Notice of Violation issued1 linked violation
July 30, 2025State Compliance achieved1 linked violation
July 30, 2025State Public Notification requested1 linked violation
May 27, 2025State Formal Notice of Violation issued1 linked violation
May 27, 2025State Compliance achieved1 linked violation
February 26, 2024State Violation/Reminder Notice1 linked violation
February 26, 2024State Compliance achieved1 linked violation
February 13, 2024State Public Notification requested1 linked violation
February 13, 2024State Formal Notice of Violation issued1 linked violation
November 14, 2022State Public Notification requested1 linked violation
November 14, 2022State Formal Notice of Violation issued1 linked violation
March 19, 2020State Compliance achieved1 linked violation
March 19, 2020State Violation/Reminder Notice1 linked violation
March 3, 2020State Violation/Reminder Notice1 linked violation
March 3, 2020State Compliance achieved1 linked violation
March 26, 2019State Compliance achieved1 linked violation
March 6, 2018State Formal Notice of Violation issued1 linked violation
March 6, 2018State Formal Notice of Violation issued1 linked violation
March 6, 2018State Public Notification requested1 linked violation
March 6, 2018State Public Notification requested1 linked violation
February 5, 2015State Formal Notice of Violation issued2 linked violations
February 5, 2015State Compliance achieved2 linked violations
February 5, 2015State Public Notification requested2 linked violations
November 14, 2014State Compliance achieved1 linked violation
July 23, 2012State Compliance achieved1 linked violation
August 15, 2011State Compliance achieved1 linked violation
August 12, 2010State Compliance achieved2 linked violations
February 1, 2008State Compliance achieved2 linked violations
August 3, 2006State Compliance achieved1 linked violation
August 3, 2006State Violation/Reminder Notice1 linked violation
November 23, 2005State Consent Decree/Judgement4 linked violations
November 23, 2005State Compliance achieved4 linked violations
August 9, 2005State Compliance achieved1 linked violation
August 9, 2005State Consent Decree/Judgement1 linked violation
August 9, 2005State Violation/Reminder Notice1 linked violation
August 8, 2005State Violation/Reminder Notice3 linked violations
August 8, 2005State Compliance achieved3 linked violations
August 8, 2005State Consent Decree/Judgement3 linked violations
July 12, 2005State Public Notification received8 linked violations
May 26, 2005State Technical Assistance Visit4 linked violations
May 26, 2005State Compliance achieved4 linked violations
May 25, 2005State Consent Decree/Judgement1 linked violation
May 19, 2005State Consent Decree/Judgement3 linked violations
February 9, 2005State Formal Notice of Violation issued7 linked violations
February 9, 2005State Compliance achieved7 linked violations
February 9, 2005State Public Notification requested7 linked violations
February 4, 2005State Compliance achieved1 linked violation
January 31, 2005State Compliance achieved1 linked violation
January 31, 2005State Consent Decree/Judgement1 linked violation
October 20, 2004State Public Notification requested1 linked violation
October 20, 2004State Formal Notice of Violation issued1 linked violation
February 25, 2004State Compliance achieved1 linked violation
February 9, 2004State Violation/Reminder Notice1 linked violation
October 4, 1990State Public Notification received10 linked violations
March 31, 1988State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 13, 1984State Public Notification requestedgeneral 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

TARENTUM BORO WATER DEPT

724-224-1818

TARENTUM, PA 15084