SHAMOKIN, PA · Columbia County

AQUA PA MIFFLIN TOWNSHIP 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): PA4190016
System type: Community Water System
Population served: 1,220
Service connections: 589
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Gross Beta Particle Activity
July 1, 2025 – September 30, 2025
Resolved
Monitoring, Regular
—
Gross Beta Particle Activity
April 1, 2025 – June 30, 2025
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
February 1, 2021 – February 28, 2021
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2018 – June 30, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 13, 2016 – May 24, 2017
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
August 1, 2016 – August 31, 2016
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
April 1, 2011 – April 30, 2011
Resolved
Monitoring, Regular
—
Gross Beta Particle Activity
January 1, 2010 – March 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2009 – December 31, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2008 – May 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2008 – June 30, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2007 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2007 – June 30, 2007
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – May 22, 2007
Resolved
Monitoring, Regular
—
Gross Beta Particle Activity
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
38-STRONTIUM-90
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Gross Beta Particle Activity
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Tritium
January 1, 2006 – December 31, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2004 – October 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2004 – December 20, 2004
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2004 – September 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2004 – September 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2004 – March 31, 2004
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1996 – June 30, 2000
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Arsenic
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Barium
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Cadmium
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Chromium
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Fluoride
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Mercury
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Nickel
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Selenium
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1988 – June 30, 1992
Resolved
Monitoring, Regular
—
2,4-D
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Methoxychlor
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Arsenic
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Barium
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Cadmium
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Chromium
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Fluoride
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Mercury
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Nitrate
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Selenium
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Endrin
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
BHC-GAMMA
June 24, 1985 – June 23, 1988
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
July 1, 2025 – September 30, 2025	Monitoring, Regular	Gross Beta Particle Activity	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Gross Beta Particle Activity	—	Resolved
February 1, 2021 – February 28, 2021	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
April 1, 2018 – June 30, 2018	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
August 13, 2016 – May 24, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
August 1, 2016 – August 31, 2016	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
April 1, 2011 – April 30, 2011	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Gross Beta Particle Activity	—	Resolved
October 1, 2009 – December 31, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
May 1, 2008 – May 31, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2006 – May 22, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Gross Beta Particle Activity	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	38-STRONTIUM-90	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Gross Beta Particle Activity	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Tritium	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2004 – October 31, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2004 – December 20, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 1996 – June 30, 2000	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Arsenic	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Barium	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Cadmium	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Chromium	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Fluoride	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Mercury	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Nickel	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Selenium	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Beryllium, Total	—	Resolved
July 1, 1988 – June 30, 1992	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
June 24, 1985 – June 23, 1988	Monitoring, Regular	2,4-D	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Methoxychlor	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Arsenic	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Barium	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Cadmium	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Chromium	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Fluoride	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Mercury	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Nitrate	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Selenium	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Endrin	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	BHC-GAMMA	—	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

January 12, 2026State Compliance achieved2 linked violations
January 2, 2026State Public Notification received2 linked violations
November 21, 2025State Public Notification requested2 linked violations
October 24, 2025State Violation/Reminder Notice2 linked violations
April 14, 2021State Compliance achieved1 linked violation
April 14, 2021State Violation/Reminder Notice1 linked violation
July 19, 2019State Compliance achieved1 linked violation
May 24, 2017State Violation/Reminder Notice2 linked violations
May 24, 2017State Compliance achieved2 linked violations
May 24, 2017State Public Notification received2 linked violations
May 24, 2017State Public Notification requested2 linked violations
June 20, 2011State Compliance achieved1 linked violation
July 14, 2010State Violation/Reminder Notice1 linked violation
July 14, 2010State Public Notification received1 linked violation
July 14, 2010State Compliance achieved3 linked violations
July 14, 2010State Public Notification requested1 linked violation
April 21, 2010State Violation/Reminder Notice1 linked violation
July 7, 2008State Violation/Reminder Notice2 linked violations
July 7, 2008State Public Notification requested2 linked violations
July 7, 2008State Public Notification received2 linked violations
July 7, 2008State Compliance achieved2 linked violations
February 19, 2008State Compliance achieved1 linked violation
October 26, 2007State Compliance achieved1 linked violation
October 16, 2007State Violation/Reminder Notice1 linked violation
May 22, 2007State Compliance achieved1 linked violation
February 21, 2007State Compliance achieved2 linked violations
February 21, 2007State Violation/Reminder Notice2 linked violations
February 21, 2007State Public Notification received2 linked violations
January 22, 2007State Violation/Reminder Notice2 linked violations
October 11, 2006State Violation/Reminder Notice1 linked violation
August 10, 2006State Public Notification received2 linked violations
August 10, 2006State Compliance achieved2 linked violations
July 24, 2006State Violation/Reminder Notice1 linked violation
May 30, 2006State Compliance achieved2 linked violations
May 30, 2006State Violation/Reminder Notice2 linked violations
May 10, 2006State Violation/Reminder Notice1 linked violation
May 10, 2006State Violation/Reminder Notice1 linked violation
May 20, 2005State Compliance achieved1 linked violation
May 20, 2005State Consent Decree/Judgement1 linked violation
May 20, 2005State Violation/Reminder Notice1 linked violation
January 10, 2005State Violation/Reminder Notice2 linked violations
January 10, 2005State Compliance achieved2 linked violations
January 10, 2005State Consent Decree/Judgement2 linked violations
December 20, 2004State Violation/Reminder Notice2 linked violations
December 20, 2004State Compliance achieved2 linked violations
December 20, 2004State Consent Decree/Judgement2 linked violations
July 8, 2004State Compliance achieved1 linked violation
June 24, 2004State Violation/Reminder Notice1 linked violation
October 16, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 29, 1988State Formal Notice of Violation issued14 linked violations
July 7, 1988State Boil Water Ordergeneral compliance action — not tied to a specific violation on record

Contact

AQUA PA MIFFLIN TOWNSHIP

570-648-5783

SHAMOKIN, PA 17872