GREENSBURG, PA · Westmoreland County

MAWC FURNACE RUN 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): PA5650031
System type: Community Water System
Population served: 3,100
Service connections: 1,551
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2022 – August 30, 2023
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2018 – November 19, 2018
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2016 – November 9, 2016
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2016 – June 30, 2016
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2015 – October 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2015 – December 31, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2015 – October 31, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – September 16, 2013
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
Styrene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Benzene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Toluene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2009 – December 31, 2009
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
September 10, 2006 – August 13, 2010
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2006 – July 31, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2005 – September 30, 2005
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2005 – August 31, 2005
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2005 – June 30, 2005
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2005 – June 30, 2005
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2005 – April 30, 2005
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2005 – April 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2005 – June 30, 2005
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2005 – February 28, 2005
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2005 – February 28, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2005 – March 31, 2005
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2004 – October 31, 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 – November 1, 2004
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
June 1, 2004 – June 30, 2004
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2004 – June 30, 2004
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2004 – May 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2004 – March 31, 2004
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2004 – March 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2004 – March 31, 2004
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2003 – November 30, 2003
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2003 – April 30, 2003
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2003 – March 31, 2003
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2003 – February 28, 2003
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2003 – January 31, 2003
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2002 – September 30, 2002
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 2000 – September 30, 2000
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 2000 – August 31, 2000
Resolved
Monitoring, Regular
—
Thallium, Total
July 1, 1996 – September 30, 1996
Resolved
Monitoring, Regular
—
Thallium, Total
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 1996 – March 31, 1996
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1991 – August 31, 1991
Resolved
Monitoring, Regular
—
Arsenic
June 27, 1990 – May 21, 1991
Resolved
Monitoring, Regular
—
Barium
June 27, 1990 – May 21, 1991
Resolved
Monitoring, Regular
—
Cadmium
June 27, 1990 – May 21, 1991
Resolved
Monitoring, Regular
—
Chromium
June 27, 1990 – May 21, 1991
Resolved
Monitoring, Regular
—
Mercury
June 27, 1990 – May 21, 1991
Resolved
Monitoring, Regular
—
Fluoride
June 27, 1990 – May 21, 1991
Resolved
Monitoring, Regular
—
Nitrate
June 27, 1990 – May 21, 1991
Resolved
Monitoring, Regular
—
Selenium
June 27, 1990 – May 21, 1991
Resolved
Monitoring, Regular
—
Selenium
June 26, 1985 – June 25, 1986
Archived
Monitoring, Regular
—
Mercury
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
—
Chromium
June 26, 1985 – June 25, 1986
Archived
Monitoring, Regular
—
Cadmium
June 26, 1985 – June 25, 1986
Archived
Monitoring, Regular
—
Nitrate
June 26, 1985 – June 25, 1986
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 – August 30, 2023	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
October 1, 2018 – November 19, 2018	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2016 – November 9, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2015 – October 31, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2015 – December 31, 2015	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2015 – October 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2013 – September 16, 2013	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Styrene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Benzene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Toluene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Ethylbenzene	—	Resolved
September 10, 2006 – August 13, 2010	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2006 – July 31, 2006	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
September 1, 2005 – September 30, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2005 – August 31, 2005	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
June 1, 2005 – June 30, 2005	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2005 – June 30, 2005	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2005 – April 30, 2005	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2005 – April 30, 2005	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
February 1, 2005 – February 28, 2005	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2005 – February 28, 2005	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2004 – October 31, 2004	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2004 – August 31, 2004	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2004 – November 1, 2004	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2004 – June 30, 2004	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 2004 – June 30, 2004	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2004 – May 31, 2004	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
March 1, 2004 – March 31, 2004	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2004 – March 31, 2004	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
November 1, 2003 – November 30, 2003	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2003 – April 30, 2003	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2003 – March 31, 2003	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2003 – February 28, 2003	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2003 – January 31, 2003	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2002 – September 30, 2002	Monitoring, Regular	Nitrate	—	Resolved
September 1, 2000 – September 30, 2000	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
August 1, 2000 – August 31, 2000	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 1996 – September 30, 1996	Monitoring, Regular	Thallium, Total	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 1996 – March 31, 1996	Monitoring, Regular	Thallium, Total	—	Resolved
August 1, 1991 – August 31, 1991	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
June 27, 1990 – May 21, 1991	Monitoring, Regular	Arsenic	—	Resolved
June 27, 1990 – May 21, 1991	Monitoring, Regular	Barium	—	Resolved
June 27, 1990 – May 21, 1991	Monitoring, Regular	Cadmium	—	Resolved
June 27, 1990 – May 21, 1991	Monitoring, Regular	Chromium	—	Resolved
June 27, 1990 – May 21, 1991	Monitoring, Regular	Mercury	—	Resolved
June 27, 1990 – May 21, 1991	Monitoring, Regular	Fluoride	—	Resolved
June 27, 1990 – May 21, 1991	Monitoring, Regular	Nitrate	—	Resolved
June 27, 1990 – May 21, 1991	Monitoring, Regular	Selenium	—	Resolved
June 26, 1985 – June 25, 1986	Monitoring, Regular	Selenium	—	Archived
June 26, 1985 – June 25, 1986	Monitoring, Regular	Mercury	—	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	Chromium	—	Archived
June 26, 1985 – June 25, 1986	Monitoring, Regular	Cadmium	—	Archived
June 26, 1985 – June 25, 1986	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

August 30, 2023State Compliance achieved1 linked violation
November 19, 2018State Compliance achieved1 linked violation
November 9, 2016State Compliance achieved1 linked violation
September 20, 2016State Compliance achieved1 linked violation
September 20, 2016State Violation/Reminder Notice1 linked violation
March 29, 2016State Compliance achieved3 linked violations
February 25, 2016State Formal Notice of Violation issued3 linked violations
September 16, 2013State Compliance achieved1 linked violation
December 5, 2012State Violation/Reminder Notice1 linked violation
December 5, 2012State Compliance achieved1 linked violation
August 13, 2010State Compliance achieved2 linked violations
August 13, 2010State Public Notification received2 linked violations
May 11, 2010State Compliance achieved20 linked violations
May 11, 2010State Public Notification received20 linked violations
February 2, 2010State Public Notification requested20 linked violations
February 2, 2010State Violation/Reminder Notice20 linked violations
August 20, 2008State Compliance achieved1 linked violation
December 5, 2006State Public Notification requested2 linked violations
December 5, 2006State Violation/Reminder Notice2 linked violations
December 5, 2006State Compliance Meeting conducted2 linked violations
August 8, 2006State Violation/Reminder Notice1 linked violation
November 10, 2005State Compliance achieved1 linked violation
November 10, 2005State Violation/Reminder Notice1 linked violation
November 10, 2005State Consent Decree/Judgement1 linked violation
November 8, 2005State Consent Decree/Judgement1 linked violation
November 8, 2005State Compliance achieved1 linked violation
November 8, 2005State Violation/Reminder Notice1 linked violation
August 10, 2005State Violation/Reminder Notice3 linked violations
August 10, 2005State Consent Decree/Judgement3 linked violations
August 10, 2005State Compliance achieved3 linked violations
June 16, 2005State Consent Decree/Judgement2 linked violations
June 16, 2005State Violation/Reminder Notice2 linked violations
June 16, 2005State Compliance achieved2 linked violations
May 19, 2005State Consent Decree/Judgement3 linked violations
May 19, 2005State Compliance achieved3 linked violations
January 27, 2005State Consent Decree/Judgement1 linked violation
January 27, 2005State Compliance achieved1 linked violation
January 27, 2005State Violation/Reminder Notice1 linked violation
November 1, 2004State Compliance achieved1 linked violation
November 1, 2004State Violation/Reminder Notice1 linked violation
November 1, 2004State Consent Decree/Judgement1 linked violation
October 7, 2004State Compliance achieved1 linked violation
October 7, 2004State Consent Decree/Judgement1 linked violation
October 7, 2004State Violation/Reminder Notice1 linked violation
October 5, 2004State Compliance achieved3 linked violations
October 5, 2004State Consent Decree/Judgement3 linked violations
October 5, 2004State Violation/Reminder Notice3 linked violations
August 6, 2004State Compliance achieved2 linked violations
August 6, 2004State Consent Decree/Judgement2 linked violations
August 6, 2004State Violation/Reminder Notice2 linked violations
June 15, 2004State Compliance achieved1 linked violation
June 15, 2004State Consent Decree/Judgement1 linked violation
June 15, 2004State Violation/Reminder Notice1 linked violation
June 11, 2004State Compliance achieved1 linked violation
June 11, 2004State Violation/Reminder Notice1 linked violation
June 11, 2004State Consent Decree/Judgement1 linked violation
February 10, 2004State Compliance achieved1 linked violation
February 10, 2004State Consent Decree/Judgement1 linked violation
February 10, 2004State Violation/Reminder Notice1 linked violation
February 6, 2004State Violation/Reminder Notice4 linked violations
February 6, 2004State Compliance achieved5 linked violations
February 6, 2004State Consent Decree/Judgement4 linked violations
November 21, 2002State Violation/Reminder Notice1 linked violation
June 14, 1996State Compliance achieved1 linked violation
September 20, 1991State Formal Notice of Violation issued10 linked violations
May 21, 1991State Compliance achieved10 linked violations
August 7, 1986State Formal Notice of Violation issued8 linked violations
June 5, 1986State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
March 14, 1986State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
June 17, 1985State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 12, 1985State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
January 14, 1985State 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
January 19, 1981State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 19, 1980State Violation/Reminder Notice5 linked violations

Contact

MAWC FURNACE RUN

724-755-5800

GREENSBURG, PA 15601