SHEFFIELD, PA · Warren County

SHEFFIELD TWP MUNICIPAL 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): PA6620031
System type: Community Water System
Population served: 1,075
Service connections: 684
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
February 1, 2025 – February 28, 2025
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
October 1, 2024 – October 31, 2024
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2024 – December 31, 2024
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
January 1, 2020 – January 31, 2020
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2019 – December 18, 2019
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
June 1, 2019 – June 30, 2019
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
October 1, 2018 – October 31, 2018
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
April 1, 2018 – April 30, 2018
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2014 – September 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2014 – September 30, 2014
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 1, 2011 – August 23, 2011
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2011 – September 30, 2011
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
June 1, 2011 – June 30, 2011
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
May 1, 2011 – May 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2004 – September 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2004 – March 31, 2004
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 2003 – August 31, 2003
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – November 6, 2003
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 2003 – July 31, 2003
Resolved
Monitoring, Regular
—
Benzene
July 1, 2003 – September 30, 2003
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
June 1, 2003 – June 30, 2003
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
May 1, 2003 – May 31, 2003
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
April 1, 2003 – April 30, 2003
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2000 – June 30, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2000 – January 31, 2000
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2000 – March 30, 2001
Resolved
Monitoring, Regular
—
Arsenic
June 26, 1986 – June 25, 1987
Archived
Monitoring, Regular
—
Mercury
June 26, 1986 – June 25, 1987
Archived
Monitoring, Regular
—
Nitrate
June 26, 1986 – June 25, 1987
Archived
Monitoring, Regular
—
Selenium
June 26, 1986 – June 25, 1987
Archived
Monitoring, Regular
—
Barium
June 26, 1986 – June 25, 1987
Archived
Monitoring, Regular
—
Cadmium
June 26, 1986 – June 25, 1987
Archived
Monitoring, Regular
—
Chromium
June 26, 1986 – June 25, 1987
Archived
Monitoring, Regular
—
Fluoride
June 26, 1986 – June 25, 1987
Archived
Monitoring, Regular
—
Chromium
June 26, 1985 – June 25, 1986
Archived
Monitoring, Regular
—
Barium
June 26, 1985 – June 25, 1986
Archived
Monitoring, Regular
—
Arsenic
June 26, 1985 – June 25, 1986
Archived
Monitoring, Regular
—
Nitrate
June 26, 1985 – June 25, 1986
Archived
Monitoring, Regular
—
Mercury
June 26, 1985 – June 25, 1986
Archived
Monitoring, Regular
—
Selenium
June 26, 1985 – June 25, 1986
Archived
Monitoring, Regular
—
Arsenic
June 25, 1983 – June 24, 1984
Archived
Monitoring, Regular
—
Cadmium
June 25, 1983 – June 24, 1984
Archived
Monitoring, Regular
—
Barium
June 25, 1983 – June 24, 1984
Archived
Monitoring, Regular
—
Mercury
June 25, 1983 – June 24, 1984
Archived
Monitoring, Regular
—
Fluoride
June 25, 1983 – June 24, 1984
Archived
Monitoring, Regular
—
Chromium
June 25, 1983 – June 24, 1984
Archived
Monitoring, Regular
—
Selenium
June 25, 1983 – June 24, 1984
Archived
Monitoring, Regular
—
Nitrate
June 25, 1983 – June 24, 1984
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
February 1, 2025 – February 28, 2025	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
October 1, 2024 – October 31, 2024	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Radium-228	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Radium-226	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2020 – January 31, 2020	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
October 1, 2019 – December 18, 2019	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
June 1, 2019 – June 30, 2019	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
October 1, 2018 – October 31, 2018	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
April 1, 2018 – April 30, 2018	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2011 – August 23, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
June 1, 2011 – June 30, 2011	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
May 1, 2011 – May 31, 2011	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
August 1, 2003 – August 31, 2003	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2003 – November 6, 2003	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2003 – July 31, 2003	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2003 – September 30, 2003	Monitoring, Regular	Benzene	—	Resolved
June 1, 2003 – June 30, 2003	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
May 1, 2003 – May 31, 2003	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
April 1, 2003 – April 30, 2003	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2000 – June 30, 2004	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2000 – January 31, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2000 – March 30, 2001	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
June 26, 1986 – June 25, 1987	Monitoring, Regular	Arsenic	—	Archived
June 26, 1986 – June 25, 1987	Monitoring, Regular	Mercury	—	Archived
June 26, 1986 – June 25, 1987	Monitoring, Regular	Nitrate	—	Archived
June 26, 1986 – June 25, 1987	Monitoring, Regular	Selenium	—	Archived
June 26, 1986 – June 25, 1987	Monitoring, Regular	Barium	—	Archived
June 26, 1986 – June 25, 1987	Monitoring, Regular	Cadmium	—	Archived
June 26, 1986 – June 25, 1987	Monitoring, Regular	Chromium	—	Archived
June 26, 1986 – June 25, 1987	Monitoring, Regular	Fluoride	—	Archived
June 26, 1985 – June 25, 1986	Monitoring, Regular	Chromium	—	Archived
June 26, 1985 – June 25, 1986	Monitoring, Regular	Barium	—	Archived
June 26, 1985 – June 25, 1986	Monitoring, Regular	Arsenic	—	Archived
June 26, 1985 – June 25, 1986	Monitoring, Regular	Nitrate	—	Archived
June 26, 1985 – June 25, 1986	Monitoring, Regular	Mercury	—	Archived
June 26, 1985 – June 25, 1986	Monitoring, Regular	Selenium	—	Archived
June 25, 1983 – June 24, 1984	Monitoring, Regular	Arsenic	—	Archived
June 25, 1983 – June 24, 1984	Monitoring, Regular	Cadmium	—	Archived
June 25, 1983 – June 24, 1984	Monitoring, Regular	Barium	—	Archived
June 25, 1983 – June 24, 1984	Monitoring, Regular	Mercury	—	Archived
June 25, 1983 – June 24, 1984	Monitoring, Regular	Fluoride	—	Archived
June 25, 1983 – June 24, 1984	Monitoring, Regular	Chromium	—	Archived
June 25, 1983 – June 24, 1984	Monitoring, Regular	Selenium	—	Archived
June 25, 1983 – June 24, 1984	Monitoring, Regular	Nitrate	—	Archived

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

Enforcement actions

May 13, 2025State Compliance achieved4 linked violations
April 8, 2025State Violation/Reminder Notice1 linked violation
April 8, 2025State Compliance achieved1 linked violation
February 12, 2025State Formal Notice of Violation issued4 linked violations
January 14, 2025State Compliance achieved1 linked violation
December 10, 2024State Violation/Reminder Notice1 linked violation
March 11, 2020State Compliance achieved1 linked violation
March 11, 2020State Violation/Reminder Notice1 linked violation
December 18, 2019State Compliance achieved1 linked violation
December 18, 2019State Violation/Reminder Notice1 linked violation
August 19, 2019State Compliance achieved1 linked violation
August 19, 2019State Violation/Reminder Notice1 linked violation
December 5, 2018State Compliance achieved1 linked violation
December 5, 2018State Violation/Reminder Notice1 linked violation
May 25, 2018State Compliance achieved1 linked violation
May 25, 2018State Violation/Reminder Notice1 linked violation
December 1, 2015State Compliance achieved2 linked violations
February 17, 2015State Violation/Reminder Notice1 linked violation
February 17, 2015State Compliance achieved1 linked violation
November 20, 2014State Public Notification received2 linked violations
November 20, 2014State Violation/Reminder Notice2 linked violations
November 20, 2014State Public Notification requested2 linked violations
March 11, 2014State Compliance achieved1 linked violation
March 11, 2014State Violation/Reminder Notice1 linked violation
March 22, 2013State Compliance achieved1 linked violation
March 22, 2013State Violation/Reminder Notice1 linked violation
May 2, 2012State Public Notification received1 linked violation
November 14, 2011State Violation/Reminder Notice1 linked violation
November 14, 2011State Public Notification requested1 linked violation
November 14, 2011State Compliance achieved1 linked violation
September 7, 2011State Public Notification received1 linked violation
September 7, 2011State Public Notification received1 linked violation
August 23, 2011State Public Notification requested1 linked violation
August 23, 2011State Public Notification requested1 linked violation
August 23, 2011State Compliance achieved2 linked violations
August 23, 2011State Compliance achieved2 linked violations
August 23, 2011State Violation/Reminder Notice1 linked violation
August 23, 2011State Violation/Reminder Notice1 linked violation
August 23, 2011State Formal Notice of Violation issued1 linked violation
August 23, 2011State Formal Notice of Violation issued1 linked violation
August 3, 2011State Compliance achieved1 linked violation
August 3, 2011State Violation/Reminder Notice1 linked violation
July 12, 2011State Compliance achieved1 linked violation
July 12, 2011State Violation/Reminder Notice1 linked violation
June 23, 2005State Compliance achieved1 linked violation
June 23, 2005State Public Notification received1 linked violation
May 16, 2005State Formal Notice of Violation issued1 linked violation
May 16, 2005State Compliance achieved1 linked violation
May 16, 2005State Violation/Reminder Notice1 linked violation
May 16, 2005State Public Notification requested1 linked violation
October 18, 2004State Compliance achieved1 linked violation
October 18, 2004State Violation/Reminder Notice1 linked violation
February 4, 2004State Compliance achieved1 linked violation
November 6, 2003State Compliance achieved1 linked violation
October 24, 2003State Compliance achieved5 linked violations
August 15, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 5, 1987State Formal Notice of Violation issued8 linked violations
February 10, 1987State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
October 23, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 18, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 13, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
February 20, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 27, 1984State Public Notification requested8 linked violations
November 16, 1983State 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
June 10, 1982State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 19, 1981State Unresolvedgeneral compliance action — not tied to a specific violation on record
August 19, 1981State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

Contact

SHEFFIELD TWP MUNICIPAL AUTH

814-968-5250

SHEFFIELD, PA 16347