CARLISLE, PA · Cumberland County

N MIDDLETON 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): PA7210049
System type: Community Water System
Population served: 8,455
Service connections: 3,848
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2022 – November 21, 2022
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2022 – June 30, 2022
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2022 – June 30, 2022
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2019 – September 30, 2019
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 11, 2019 – May 28, 2019
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 11, 2019 – May 28, 2019
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2018 – March 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2018 – March 31, 2018
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 2017 – October 31, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
June 11, 2017 – July 19, 2017
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2016 – December 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2016 – December 31, 2016
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
October 1, 2016 – December 31, 2016
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
April 1, 2016 – June 30, 2016
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2016 – June 30, 2016
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2016 – March 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
January 1, 2016 – March 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2007 – April 30, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2007 – April 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Endothall
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Picloram
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
LASSO
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2007 – December 31, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2004 – November 30, 2004
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2004 – October 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2004 – December 31, 2004
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2004 – September 30, 2004
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2004 – June 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2004 – December 31, 2004
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2003 – November 30, 2003
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – September 24, 2003
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2000 – June 30, 2000
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1999 – August 31, 1999
Resolved
Monitoring, Regular
—
Nitrate
July 1, 1993 – September 30, 1993
Archived
Monitoring, Regular
—
Nitrate
January 1, 1993 – March 31, 1993
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1988 – June 30, 1992
Archived
Monitoring, Regular
—
Chromium
June 26, 1986 – June 25, 1987
Archived
Monitoring, Regular
—
Fluoride
June 26, 1986 – June 25, 1987
Archived
Monitoring, Regular
—
Arsenic
June 26, 1986 – June 25, 1987
Archived
Monitoring, Regular
—
Barium
June 26, 1986 – June 25, 1987
Archived
Monitoring, Regular
—
Nitrate
June 26, 1986 – June 25, 1987
Archived
Monitoring, Regular
—
Mercury
June 26, 1986 – June 25, 1987
Archived
Monitoring, Regular
—
Selenium
June 26, 1986 – June 25, 1987
Archived
Monitoring, Regular
—
Cadmium
June 26, 1986 – June 25, 1987
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
October 1, 2022 – November 21, 2022	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
April 1, 2022 – June 30, 2022	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2022 – June 30, 2022	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 11, 2019 – May 28, 2019	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 11, 2019 – May 28, 2019	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2017 – October 31, 2017	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
June 11, 2017 – July 19, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2016 – December 31, 2016	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
April 1, 2016 – June 30, 2016	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
April 1, 2016 – June 30, 2016	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 2016 – March 31, 2016	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2016 – March 31, 2016	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2007 – April 30, 2007	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2007 – April 30, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Endothall	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Picloram	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	LASSO	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
November 1, 2004 – November 30, 2004	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2004 – October 31, 2004	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2004 – December 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
September 1, 2004 – September 30, 2004	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2004 – June 30, 2004	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
November 1, 2003 – November 30, 2003	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2003 – September 24, 2003	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2000 – June 30, 2000	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 1999 – August 31, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1993 – September 30, 1993	Monitoring, Regular	Nitrate	—	Archived
January 1, 1993 – March 31, 1993	Monitoring, Regular	Nitrate	—	Archived
July 1, 1988 – June 30, 1992	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
June 26, 1986 – June 25, 1987	Monitoring, Regular	Chromium	—	Archived
June 26, 1986 – June 25, 1987	Monitoring, Regular	Fluoride	—	Archived
June 26, 1986 – June 25, 1987	Monitoring, Regular	Arsenic	—	Archived
June 26, 1986 – June 25, 1987	Monitoring, Regular	Barium	—	Archived
June 26, 1986 – June 25, 1987	Monitoring, Regular	Nitrate	—	Archived
June 26, 1986 – June 25, 1987	Monitoring, Regular	Mercury	—	Archived
June 26, 1986 – June 25, 1987	Monitoring, Regular	Selenium	—	Archived
June 26, 1986 – June 25, 1987	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

February 28, 2025State Public Notification received2 linked violations
August 24, 2023State Public Notification received2 linked violations
November 21, 2022State Compliance achieved1 linked violation
October 31, 2022State Violation/Reminder Notice1 linked violation
August 3, 2022State Public Notification requested2 linked violations
August 3, 2022State Formal Notice of Violation issued2 linked violations
August 3, 2022State Formal Notice of Violation issued2 linked violations
August 3, 2022State Compliance achieved2 linked violations
August 3, 2022State Compliance achieved2 linked violations
August 3, 2022State Public Notification requested2 linked violations
July 30, 2020State Compliance achieved1 linked violation
July 30, 2020State Violation/Reminder Notice1 linked violation
November 20, 2019State Public Notification requested1 linked violation
November 20, 2019State Formal Notice of Violation issued1 linked violation
November 20, 2019State Violation/Reminder Notice1 linked violation
November 20, 2019State Compliance achieved1 linked violation
May 28, 2019State Violation/Reminder Notice2 linked violations
May 28, 2019State Compliance achieved2 linked violations
December 11, 2018State Compliance achieved2 linked violations
May 7, 2018State Violation/Reminder Notice2 linked violations
May 7, 2018State Public Notification requested2 linked violations
May 7, 2018State Public Notification requested2 linked violations
May 7, 2018State Formal Notice of Violation issued2 linked violations
May 7, 2018State Formal Notice of Violation issued2 linked violations
May 7, 2018State Violation/Reminder Notice2 linked violations
January 2, 2018State Violation/Reminder Notice1 linked violation
January 2, 2018State Compliance achieved1 linked violation
July 19, 2017State Compliance achieved1 linked violation
February 23, 2017State Compliance achieved3 linked violations
February 23, 2017State Public Notification requested3 linked violations
February 15, 2017State Violation/Reminder Notice3 linked violations
February 14, 2017State Compliance achieved4 linked violations
November 30, 2016State Violation/Reminder Notice1 linked violation
August 24, 2016State Compliance achieved1 linked violation
August 19, 2016State Violation/Reminder Notice1 linked violation
August 19, 2016State Public Notification requested3 linked violations
August 19, 2016State Violation/Reminder Notice2 linked violations
May 19, 2016State Violation/Reminder Notice2 linked violations
March 27, 2009State Public Notification received12 linked violations
January 31, 2008State Violation/Reminder Notice12 linked violations
January 31, 2008State Compliance achieved12 linked violations
September 27, 2007State Compliance achieved1 linked violation
September 6, 2007State Public Notification requested1 linked violation
September 6, 2007State Violation/Reminder Notice1 linked violation
July 9, 2007State Compliance achieved3 linked violations
July 9, 2007State Violation/Reminder Notice3 linked violations
March 31, 2005State Consent Decree/Judgement1 linked violation
March 31, 2005State Compliance achieved1 linked violation
March 31, 2005State Violation/Reminder Notice1 linked violation
March 22, 2005State Violation/Reminder Notice2 linked violations
March 22, 2005State Compliance achieved2 linked violations
March 22, 2005State Consent Decree/Judgement2 linked violations
January 13, 2005State Violation/Reminder Notice1 linked violation
January 13, 2005State Consent Decree/Judgement1 linked violation
January 13, 2005State Compliance achieved1 linked violation
December 10, 2004State Violation/Reminder Notice1 linked violation
December 10, 2004State Compliance achieved1 linked violation
December 10, 2004State Consent Decree/Judgement1 linked violation
August 30, 2004State Compliance achieved2 linked violations
August 30, 2004State Consent Decree/Judgement2 linked violations
August 30, 2004State Violation/Reminder Notice2 linked violations
February 23, 2004State Violation/Reminder Notice1 linked violation
February 23, 2004State Compliance achieved1 linked violation
February 23, 2004State Consent Decree/Judgement1 linked violation
September 24, 2003State Violation/Reminder Notice1 linked violation
September 24, 2003State Compliance achieved1 linked violation
September 24, 2003State Consent Decree/Judgement1 linked violation
February 26, 1993Federal no additional Formal Action neededgeneral compliance action — not tied to a specific violation on record
February 26, 1993Federal issued Formal Notice of Violation1 linked violation
November 15, 1989State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
August 3, 1987State Formal Notice of Violation issued8 linked violations
September 30, 1982Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
March 19, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Contact

N MIDDLETON WATER AUTH

717-243-8269

CARLISLE, PA 17013