NATRONA HEIGHTS, PA · Allegheny County

HARRISON TWP 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): PA5020108
System type: Community Water System
Population served: 13,411
Service connections: 4,806
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring and Reporting (DBP)
—
CARBON, TOTAL
December 1, 2025 – February 28, 2026
Archived
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
January 1, 2025 – March 31, 2025
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2024 – December 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2017 – November 15, 2017
Resolved
Monitoring, Regular
—
Simazine
January 1, 2017 – November 15, 2017
Resolved
Monitoring, Regular
—
LASSO
January 1, 2017 – November 15, 2017
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2017 – November 15, 2017
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2014 – December 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Diquat
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2011 – March 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2008 – June 30, 2008
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, Regular
—
1,2,4-Trichlorobenzene
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
—
Pentachlorophenol
July 1, 1995 – September 30, 1995
Resolved
Monitoring, Regular
—
Pentachlorophenol
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 1995 – March 31, 1995
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Mercury
January 1, 1993 – December 31, 1993
Resolved

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
December 1, 2025 – February 28, 2026	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Archived
January 1, 2025 – March 31, 2025	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
October 1, 2023 – December 31, 2023	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 2017 – November 15, 2017	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2017 – November 15, 2017	Monitoring, Regular	Simazine	—	Resolved
January 1, 2017 – November 15, 2017	Monitoring, Regular	LASSO	—	Resolved
January 1, 2017 – November 15, 2017	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
October 1, 2014 – December 31, 2014	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Diquat	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	2,4,5-TP	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring and Reporting (DBP)	TTHM	—	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
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,2,4-Trichlorobenzene	—	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
July 1, 1995 – September 30, 1995	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 1995 – March 31, 1995	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 1993 – December 31, 1993	Maximum Contaminant Level Violation, Average	Mercury	Health-based	Resolved

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

Enforcement actions

February 12, 2026State Formal Notice of Violation issued1 linked violation
February 12, 2026State Public Notification requested1 linked violation
December 3, 2025State Compliance achieved1 linked violation
May 16, 2025State Compliance achieved1 linked violation
May 16, 2025State Formal Notice of Violation issued1 linked violation
February 18, 2025State Formal Notice of Violation issued1 linked violation
March 28, 2024State Compliance achieved1 linked violation
November 15, 2017State Violation/Reminder Notice4 linked violations
November 15, 2017State Compliance achieved4 linked violations
May 6, 2015State Public Notification received1 linked violation
May 6, 2015State Public Notification received1 linked violation
February 20, 2015State Compliance achieved1 linked violation
February 20, 2015State Violation/Reminder Notice1 linked violation
February 20, 2015State Public Notification requested1 linked violation
November 18, 2014State Compliance achieved1 linked violation
August 1, 2014State Public Notification requested1 linked violation
August 1, 2014State Public Notification requested1 linked violation
August 1, 2014State Violation/Reminder Notice1 linked violation
August 1, 2014State Violation/Reminder Notice1 linked violation
May 12, 2011State Compliance achieved12 linked violations
August 13, 2008State Compliance achieved1 linked violation
July 12, 2006State Public Notification received20 linked violations
March 2, 2006State Compliance achieved20 linked violations
February 1, 2006State Formal Notice of Violation issued20 linked violations
February 1, 2006State Public Notification requested20 linked violations

Contact

HARRISON TWP WATER AUTH

724-226-2500

NATRONA HEIGHTS, PA 15065