HUMMELSTOWN, PA · Dauphin County

PA AMERICAN WATER STEELTON 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): PA7220036
System type: Community Water System
Population served: 6,428
Service connections: 2,455
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring, Regular
—
Hexachlorocyclopentadiene
October 1, 2018 – December 31, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2018 – March 31, 2018
Resolved
Notify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR)
—
Revised Total Coliform Rule
December 11, 2017 – February 15, 2018
Resolved
Treatment Technique, Level 1 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
December 11, 2017 – February 15, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2017 – December 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2017 – December 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2017 – December 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2017 – September 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2017 – September 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2017 – September 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2017 – September 30, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 11, 2017 – May 5, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 11, 2017 – May 5, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2017 – June 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2017 – June 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2017 – June 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2017 – June 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2017 – March 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2017 – March 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2016 – December 31, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2016 – December 31, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2016 – September 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2016 – June 30, 2016
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2016 – June 30, 2016
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 10, 2016 – February 9, 2016
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 10, 2016 – February 9, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2016 – March 31, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2016 – March 31, 2016
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 10, 2015 – November 4, 2015
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 10, 2015 – November 4, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2015 – December 31, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2015 – December 31, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2015 – September 30, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2015 – September 30, 2015
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 10, 2015 – March 2, 2015
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 10, 2015 – March 2, 2015
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 10, 2014 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2014 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2014 – December 31, 2014
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
April 1, 2014 – April 30, 2014
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2013 – November 30, 2013
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2013 – December 31, 2013
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
September 1, 2013 – September 30, 2013
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 2011 – July 31, 2011
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2011 – February 28, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2010 – June 30, 2010
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 10, 2009 – November 30, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2009 – December 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
June 1, 2009 – June 30, 2009
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – September 2, 2008
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2007 – December 31, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2007 – May 31, 2007
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – December 12, 2006
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2004 – October 25, 2004
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
January 1, 2004 – March 31, 2004
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2003 – January 30, 2004
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – October 2, 2003
Resolved
Monitoring, Regular
—
Arsenic
January 1, 1993 – December 31, 1993
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 1991 – June 30, 1991
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 1991 – January 31, 1991
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
August 1, 1976 – July 31, 1980
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, 2018 – December 31, 2018	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2018 – March 31, 2018	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
December 11, 2017 – February 15, 2018	Notify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR)	Revised Total Coliform Rule	—	Resolved
December 11, 2017 – February 15, 2018	Treatment Technique, Level 1 Assessment (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
October 1, 2017 – December 31, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2017 – December 31, 2017	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2017 – December 31, 2017	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
May 11, 2017 – May 5, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
May 11, 2017 – May 5, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2017 – June 30, 2017	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2017 – June 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2017 – June 30, 2017	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2017 – June 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2017 – March 31, 2017	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2017 – March 31, 2017	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2016 – September 30, 2016	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2016 – June 30, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2016 – June 30, 2016	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
February 10, 2016 – February 9, 2016	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
February 10, 2016 – February 9, 2016	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
November 10, 2015 – November 4, 2015	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
November 10, 2015 – November 4, 2015	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
February 10, 2015 – March 2, 2015	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
February 10, 2015 – March 2, 2015	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
November 10, 2014 – December 31, 2014	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2014 – December 31, 2014	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2014 – December 31, 2014	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2014 – April 30, 2014	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
November 1, 2013 – November 30, 2013	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2013 – December 31, 2013	Monitoring and Reporting (DBP)	TTHM	—	Resolved
September 1, 2013 – September 30, 2013	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2011 – July 31, 2011	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
February 1, 2011 – February 28, 2011	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2010 – June 30, 2010	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
November 10, 2009 – November 30, 2010	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2009 – December 31, 2009	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2009 – September 30, 2009	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
June 1, 2009 – June 30, 2009	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2008 – September 2, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
May 1, 2007 – May 31, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2006 – December 12, 2006	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2004 – October 25, 2004	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
October 1, 2003 – January 30, 2004	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2003 – October 2, 2003	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Arsenic	—	Resolved
June 1, 1991 – June 30, 1991	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
January 1, 1991 – January 31, 1991	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 1976 – July 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

June 27, 2019State Public Notification received1 linked violation
March 11, 2019State Compliance achieved1 linked violation
February 15, 2019State Formal Notice of Violation issued1 linked violation
February 15, 2019State Public Notification requested1 linked violation
May 11, 2018State Public Notification received1 linked violation
May 11, 2018State Formal Notice of Violation issued1 linked violation
May 11, 2018State Public Notification requested1 linked violation
May 11, 2018State Compliance achieved1 linked violation
February 15, 2018State Violation/Reminder Notice5 linked violations
February 15, 2018State Compliance achieved5 linked violations
February 15, 2018State Public Notification received4 linked violations
February 15, 2018State Public Notification requested4 linked violations
November 6, 2017State Compliance achieved4 linked violations
November 6, 2017State Violation/Reminder Notice4 linked violations
November 6, 2017State Public Notification requested4 linked violations
November 6, 2017State Public Notification received4 linked violations
August 9, 2017State Public Notification requested4 linked violations
August 9, 2017State Compliance achieved4 linked violations
August 9, 2017State Public Notification received4 linked violations
August 9, 2017State Violation/Reminder Notice4 linked violations
May 5, 2017State Compliance achieved4 linked violations
May 5, 2017State Formal Notice of Violation issued4 linked violations
May 5, 2017State Public Notification requested4 linked violations
May 5, 2017State Public Notification received4 linked violations
February 2, 2017State Violation/Reminder Notice2 linked violations
February 2, 2017State Compliance achieved2 linked violations
February 2, 2017State Public Notification received2 linked violations
February 2, 2017State Public Notification requested2 linked violations
November 2, 2016State Compliance achieved1 linked violation
November 2, 2016State Violation/Reminder Notice1 linked violation
November 2, 2016State Public Notification requested1 linked violation
November 2, 2016State Public Notification received1 linked violation
August 15, 2016State Violation/Reminder Notice1 linked violation
August 15, 2016State Compliance achieved1 linked violation
August 12, 2016State Compliance achieved1 linked violation
August 12, 2016State Public Notification received1 linked violation
August 12, 2016State Public Notification requested1 linked violation
August 12, 2016State Formal Notice of Violation issued1 linked violation
April 25, 2016State Public Notification received2 linked violations
April 25, 2016State Formal Notice of Violation issued2 linked violations
April 25, 2016State Public Notification requested2 linked violations
April 25, 2016State Compliance achieved2 linked violations
February 9, 2016State Formal Notice of Violation issued4 linked violations
February 9, 2016State Compliance achieved4 linked violations
February 9, 2016State Public Notification received4 linked violations
February 9, 2016State Public Notification requested4 linked violations
November 4, 2015State Compliance achieved4 linked violations
November 4, 2015State Formal Notice of Violation issued4 linked violations
November 4, 2015State Public Notification requested4 linked violations
November 4, 2015State Public Notification received4 linked violations
March 2, 2015State Compliance achieved4 linked violations
March 2, 2015State Public Notification received4 linked violations
January 28, 2015State Formal Notice of Violation issued4 linked violations
January 28, 2015State Public Notification requested4 linked violations
December 31, 2014State Compliance achieved2 linked violations
December 31, 2014State Public Notification received2 linked violations
November 7, 2014State Violation/Reminder Notice2 linked violations
November 7, 2014State Public Notification requested2 linked violations
June 18, 2014State Public Notification requested1 linked violation
June 18, 2014State Compliance achieved1 linked violation
June 18, 2014State Public Notification received1 linked violation
June 11, 2014State Violation/Reminder Notice1 linked violation
June 11, 2014State Compliance achieved1 linked violation
May 20, 2014State Public Notification received2 linked violations
May 20, 2014State Compliance achieved2 linked violations
February 7, 2014State Formal Notice of Violation issued2 linked violations
February 7, 2014State Public Notification requested2 linked violations
January 14, 2014State Formal Notice of Violation issued1 linked violation
November 13, 2013State Violation/Reminder Notice1 linked violation
November 13, 2013State Compliance achieved1 linked violation
May 16, 2012State Compliance achieved1 linked violation
May 16, 2012State Public Notification received1 linked violation
September 13, 2011State Public Notification requested1 linked violation
September 13, 2011State Public Notification requested1 linked violation
September 8, 2011State Formal Notice of Violation issued1 linked violation
September 8, 2011State Formal Notice of Violation issued1 linked violation
March 29, 2011State Formal Notice of Violation issued1 linked violation
March 29, 2011State Compliance achieved1 linked violation
December 3, 2010State Compliance achieved1 linked violation
December 3, 2010State Public Notification received1 linked violation
December 1, 2010State Public Notification requested1 linked violation
December 1, 2010State Compliance achieved1 linked violation
November 30, 2010State Compliance achieved2 linked violations
November 30, 2010State Public Notification received1 linked violation
August 19, 2010State Violation/Reminder Notice1 linked violation
August 19, 2010State Violation/Reminder Notice1 linked violation
April 12, 2010State Public Notification received1 linked violation
April 12, 2010State Public Notification received1 linked violation
March 11, 2010State Public Notification received1 linked violation
February 24, 2010State Public Notification requested1 linked violation
February 24, 2010State Formal Notice of Violation issued1 linked violation
February 24, 2010State Public Notification requested1 linked violation
February 24, 2010State Formal Notice of Violation issued1 linked violation
November 13, 2009State Violation/Reminder Notice2 linked violations
August 7, 2009State Compliance achieved1 linked violation
August 7, 2009State Violation/Reminder Notice1 linked violation
September 2, 2008State Compliance achieved1 linked violation
September 2, 2008State Violation/Reminder Notice1 linked violation
February 19, 2008State Compliance achieved1 linked violation
February 19, 2008State Violation/Reminder Notice1 linked violation
July 5, 2007State Compliance achieved1 linked violation
July 5, 2007State Violation/Reminder Notice1 linked violation
December 12, 2006State Compliance achieved1 linked violation
October 4, 2006State Violation/Reminder Notice1 linked violation
January 10, 2005State Compliance achieved1 linked violation
January 10, 2005State Consent Decree/Judgement1 linked violation
December 29, 2004State Violation/Reminder Notice1 linked violation
December 29, 2004State Violation/Reminder Notice1 linked violation
October 25, 2004State Violation/Reminder Notice1 linked violation
October 25, 2004State Compliance achieved1 linked violation
October 25, 2004State Consent Decree/Judgement1 linked violation
January 30, 2004State Violation/Reminder Notice1 linked violation
January 30, 2004State Compliance achieved1 linked violation
January 30, 2004State Consent Decree/Judgement1 linked violation
October 2, 2003State Compliance achieved1 linked violation
October 2, 2003State Violation/Reminder Notice1 linked violation
September 30, 1983Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record

Contact

PA AMERICAN WATER STEELTON

717-914-9030

HUMMELSTOWN, PA 17036