Drinking Water Compliance OS

HARMONY, PA · Butler County

HARMONY BORO WATER AUTH Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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)
PA5100042
System type
Community Water System
Population served
6,669
Service connections
661
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    November 1, 2019 – November 30, 2019

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    October 1, 2019 – October 31, 2019

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    September 1, 2019 – September 30, 2019

    Resolved
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    September 1, 2019 – November 14, 2019

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    November 10, 2018 – November 14, 2018

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    September 11, 2018

    Unaddressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    August 10, 2018 – September 12, 2018

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    August 1, 2018 – August 31, 2018

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2018 – September 5, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2018 – September 30, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2018 – June 30, 2018

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    February 10, 2018 – February 1, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2017 – August 31, 2017

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2017 – September 30, 2017

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 11, 2017 – May 23, 2017

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 11, 2017 – May 23, 2017

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2017 – June 30, 2017

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2017 – March 31, 2017

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2016 – March 27, 2017

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2015 – December 31, 2015

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2015 – December 31, 2015

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2015 – September 30, 2015

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    January 1, 2014 – January 31, 2014

    Resolved
  • Monitoring, Regular

    Atrazine

    October 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    September 1, 2013 – September 30, 2013

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    September 1, 2013 – September 30, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2013 – September 30, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2011 – September 30, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2011 – March 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2010 – December 31, 2010

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    April 1, 2010 – June 30, 2010

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    April 1, 2010 – June 30, 2010

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    Combined Uranium

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    Radium-226

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    Radium-228

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2006 – March 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

    Combined Uranium

    January 1, 2006 – March 31, 2006

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    July 1, 2005 – September 30, 2005

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    April 1, 2005 – April 30, 2005

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    February 1, 2005 – February 28, 2005

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    January 1, 2005 – January 31, 2005

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2005 – March 31, 2005

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    December 1, 2004 – December 31, 2004

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    October 1, 2004 – December 31, 2004

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    October 1, 2004 – December 31, 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
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2004 – January 31, 2005

    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

    August 1, 2004 – August 31, 2004

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2004 – September 30, 2004

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2004 – December 29, 2004

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    April 1, 2004 – June 30, 2004

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2004 – December 31, 2004

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2003 – September 20, 2005

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    September 1, 2003 – September 30, 2003

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2003 – October 1, 2003

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1996 – August 31, 1996

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    August 1, 1996 – August 31, 1996

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Aldicarb sulfone

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    OXAMYL

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Endothall

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb sulfoxide

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Carbofuran

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Endothall

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 1995 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Mercury

    June 27, 1990 – June 26, 1991

    Archived
  • Monitoring, Regular

    Arsenic

    June 27, 1990 – June 26, 1991

    Archived
  • Monitoring, Regular

    Barium

    June 27, 1990 – June 26, 1991

    Archived
  • Monitoring, Regular

    Cadmium

    June 27, 1990 – June 26, 1991

    Archived
  • Monitoring, Regular

    Chromium

    June 27, 1990 – June 26, 1991

    Archived
  • Monitoring, Regular

    Fluoride

    June 27, 1990 – June 26, 1991

    Archived
  • Monitoring, Regular

    Nitrate

    June 27, 1990 – June 26, 1991

    Archived
  • Monitoring, Regular

    Selenium

    June 27, 1990 – June 26, 1991

    Archived
  • Monitoring, Regular

    Styrene

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    Ethylbenzene

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    Toluene

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    Benzene

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    Trichloroethylene

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 1990 – March 31, 1990

    Archived
  • Monitoring, Regular

    Arsenic

    June 25, 1984 – June 24, 1985

    Resolved
  • Monitoring, Regular

    Barium

    June 25, 1984 – June 24, 1985

    Archived
  • Monitoring, Regular

    Cadmium

    June 25, 1984 – June 24, 1985

    Archived
  • Monitoring, Regular

    Nitrate

    June 25, 1984 – June 24, 1985

    Archived
  • Monitoring, Regular

    Selenium

    June 25, 1984 – June 24, 1985

    Archived
  • Monitoring, Regular

    Chromium

    June 25, 1984 – June 24, 1985

    Archived
  • Monitoring, Regular

    Endrin

    June 24, 1982 – June 23, 1985

    Archived

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

HARMONY BORO WATER AUTH

724-452-6780

HARMONY, PA 16037