DUNCANSVILLE, PA · Blair County

DUNCANSVILLE MUNI WATER AUTH Water System

Current status

3 items on record are 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): PA4070012
System type: Community Water System
Population served: 2,350
Service connections: 1,011
Ownership: local government
Water source: groundwater (wells)

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2026
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
October 11, 2025
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
October 11, 2025
Unaddressed
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2024 – September 30, 2024
Archived
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Arsenic
January 1, 2024 – December 31, 2024
Archived
Monitoring and Reporting (DBP)
—
Chlorine
August 1, 2023 – August 31, 2023
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
August 1, 2023 – August 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2019 – September 30, 2019
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2019 – September 30, 2019
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2017 – October 24, 2017
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2017 – July 27, 2017
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2017 – July 27, 2017
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2004 – October 26, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2004 – July 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Trichloroethylene
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Tetrachloroethylene
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
CHLOROBENZENE
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Benzene
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Toluene
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Ethylbenzene
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Styrene
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Xylenes, Total
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 1994 – December 31, 1994
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1991 – August 31, 1991
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 1991 – April 30, 1991
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 1991 – March 31, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 1990 – December 31, 1990
Archived
Monitoring, Regular
—
Chromium
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Nitrate
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Arsenic
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Barium
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Endrin
June 24, 1982 – June 23, 1985
Resolved

Unaddressed no corrective action on record yetArchived 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 11, 2026	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
October 11, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
October 11, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	TTHM	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Arsenic	—	Archived
August 1, 2023 – August 31, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
August 1, 2023 – August 31, 2023	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2017 – October 24, 2017	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2017 – July 27, 2017	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2017 – July 27, 2017	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
July 1, 2004 – October 26, 2004	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2004 – July 31, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	Carbon tetrachloride	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	Tetrachloroethylene	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	CHLOROBENZENE	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	Benzene	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	Toluene	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	Ethylbenzene	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	Styrene	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	Xylenes, Total	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 1994 – December 31, 1994	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
August 1, 1991 – August 31, 1991	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 1991 – April 30, 1991	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
March 1, 1991 – March 31, 1991	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 1990 – December 31, 1990	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Chromium	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Nitrate	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Arsenic	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Barium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Endrin	—	Resolved

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

Enforcement actions

February 25, 2026State Formal Notice of Violation issued1 linked violation
February 25, 2026State Public Notification requested1 linked violation
December 2, 2025State Public Notification requested2 linked violations
December 2, 2025State Formal Notice of Violation issued2 linked violations
January 23, 2025State Public Notification requested1 linked violation
January 23, 2025State Formal Notice of Violation issued1 linked violation
October 23, 2024State Public Notification requested2 linked violations
October 23, 2024State Formal Notice of Violation issued2 linked violations
May 21, 2024State Compliance achieved2 linked violations
September 19, 2023State Formal Notice of Violation issued2 linked violations
January 14, 2021State Compliance achieved2 linked violations
June 5, 2020State Public Notification received2 linked violations
June 5, 2020State Public Notification received2 linked violations
February 6, 2020State Public Notification requested2 linked violations
February 6, 2020State Formal Notice of Violation issued2 linked violations
November 18, 2019State Violation/Reminder Notice2 linked violations
November 18, 2019State Public Notification requested2 linked violations
November 18, 2019State Compliance achieved2 linked violations
October 24, 2017State Compliance achieved1 linked violation
July 27, 2017State Formal Notice of Violation issued1 linked violation
July 27, 2017State Compliance achieved2 linked violations
July 27, 2017State Formal Notice of Violation issued1 linked violation
September 7, 2010State Violation/Reminder Notice1 linked violation
September 7, 2010State Compliance achieved1 linked violation
October 26, 2004State Violation/Reminder Notice1 linked violation
October 26, 2004State Consent Decree/Judgement1 linked violation
October 26, 2004State Compliance achieved1 linked violation
October 4, 2004State Consent Decree/Judgement1 linked violation
October 4, 2004State Compliance achieved1 linked violation
July 16, 2004State Consent Decree/Judgement1 linked violation
July 16, 2004State Compliance achieved1 linked violation
November 8, 1985State Compliance achieved1 linked violation
November 1, 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

DUNCANSVILLE MUNI WATER AUTH

814-695-1497

DUNCANSVILLE, PA 16635