CARLISLE, PA · Cumberland County

MIDDLESEX TWP MUNI 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): PA7210063
System type: Community Water System
Population served: 3,527
Service connections: 1,126
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
TTHM
July 1, 2024 – September 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2024 – September 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2023 – September 30, 2023
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2023 – September 30, 2023
Resolved
Monitoring, Regular
—
Endothall
January 1, 2023 – November 13, 2023
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2022 – September 30, 2022
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2022 – March 31, 2022
Resolved
Monitoring, Regular
—
Nitrite
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2019 – September 30, 2019
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
February 1, 2018 – February 28, 2018
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
February 1, 2017 – February 28, 2017
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Endrin
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Diquat
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Endothall
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Simazine
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Picloram
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
LASSO
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2017 – December 31, 2017
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2016 – December 7, 2017
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Endrin
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Endothall
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Diquat
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Simazine
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Picloram
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
LASSO
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2014 – September 19, 2014
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2014 – September 19, 2014
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
May 1, 2013 – May 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2011 – June 24, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2006 – September 30, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2005 – June 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2004 – March 31, 2004
Resolved
Monitoring, Regular
—
Cadmium
June 24, 1988 – June 23, 1991
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2023 – September 30, 2023	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2023 – September 30, 2023	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2023 – November 13, 2023	Monitoring, Regular	Endothall	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2022 – March 31, 2022	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring, Regular	Nitrite	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring, Regular	Nitrate	—	Resolved
February 1, 2018 – February 28, 2018	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
February 1, 2017 – February 28, 2017	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Endrin	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Diquat	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Endothall	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Simazine	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Picloram	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	LASSO	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Chlordane	—	Resolved
October 1, 2016 – December 7, 2017	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Endrin	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Endothall	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Diquat	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Simazine	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Picloram	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	LASSO	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2014 – September 19, 2014	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
May 1, 2013 – May 31, 2013	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
April 1, 2011 – June 24, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 24, 1988 – June 23, 1991	Monitoring, Regular	Cadmium	—	Archived

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

Enforcement actions

April 8, 2025State Compliance achieved2 linked violations
April 8, 2025State Public Notification received2 linked violations
February 28, 2025State Public Notification received1 linked violation
October 31, 2024State Public Notification requested2 linked violations
October 31, 2024State Formal Notice of Violation issued2 linked violations
October 25, 2024State Violation/Reminder Notice2 linked violations
April 8, 2024State Compliance achieved2 linked violations
April 8, 2024State Public Notification received2 linked violations
November 13, 2023State Compliance achieved1 linked violation
October 24, 2023State Violation/Reminder Notice3 linked violations
October 24, 2023State Formal Notice of Violation issued2 linked violations
October 24, 2023State Public Notification requested2 linked violations
July 7, 2023State Public Notification received2 linked violations
October 31, 2022State Public Notification requested2 linked violations
October 31, 2022State Compliance achieved2 linked violations
October 31, 2022State Formal Notice of Violation issued2 linked violations
May 11, 2022State Compliance achieved2 linked violations
May 4, 2022State Violation/Reminder Notice2 linked violations
November 13, 2019State Violation/Reminder Notice2 linked violations
November 13, 2019State Compliance achieved2 linked violations
April 26, 2019State Compliance achieved30 linked violations
December 11, 2018State Compliance achieved1 linked violation
July 3, 2018State Public Notification received30 linked violations
May 2, 2018State Public Notification requested1 linked violation
May 2, 2018State Violation/Reminder Notice1 linked violation
December 7, 2017State Compliance achieved1 linked violation
November 1, 2017State Public Notification requested30 linked violations
November 1, 2017State Violation/Reminder Notice30 linked violations
September 18, 2017State Public Notification received1 linked violation
April 26, 2017State Compliance achieved1 linked violation
March 31, 2017State Violation/Reminder Notice1 linked violation
November 10, 2016State Public Notification requested1 linked violation
November 10, 2016State Violation/Reminder Notice1 linked violation
September 19, 2014State Compliance achieved30 linked violations
August 19, 2014State Violation/Reminder Notice30 linked violations
July 18, 2013State Compliance achieved1 linked violation
June 24, 2011State Compliance achieved1 linked violation
October 16, 2006State Compliance achieved1 linked violation
October 16, 2006State Violation/Reminder Notice1 linked violation
August 15, 2005State Consent Decree/Judgement1 linked violation
August 15, 2005State Violation/Reminder Notice1 linked violation
August 15, 2005State Compliance achieved1 linked violation
October 26, 2004State Compliance achieved1 linked violation
October 26, 2004State Consent Decree/Judgement1 linked violation
October 26, 2004State Violation/Reminder Notice1 linked violation
August 13, 1991State Formal Notice of Violation issued1 linked violation

Contact

MIDDLESEX TWP MUNI AUTH

717-243-0674

CARLISLE, PA 17013