GREENSBURG, PA · Fayette County

MAWC YOUGH PLANT 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): PA5260036
System type: Community Water System
Population served: 133,000
Service connections: 120,175
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2025 – November 30, 2025
Archived
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2025 – September 30, 2025
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2024 – July 31, 2024
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2022 – November 29, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2021 – August 31, 2021
Resolved
Monitoring, Regular
—
Nickel
January 1, 2021 – December 31, 2021
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
January 1, 2018 – March 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2017 – November 30, 2017
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2017 – November 30, 2017
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2017 – December 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2014 – March 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2014 – March 31, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2013 – July 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2013 – June 30, 2013
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2012 – December 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2012 – June 30, 2012
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
LASSO
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Endothall
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Simazine
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Picloram
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2004 – December 31, 2004
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2003 – March 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2003 – December 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2003 – September 30, 2003
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – January 7, 2004
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
July 1, 2003 – September 30, 2003
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2003 – September 30, 2003
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2003 – June 30, 2003
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
April 1, 2003 – June 30, 2003
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
January 1, 2003 – March 31, 2003
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2003 – March 31, 2003
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2002 – December 31, 2002
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2002 – September 30, 2002
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2002 – June 30, 2002
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
January 1, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
Tritium
July 1, 1999 – June 30, 2003
Resolved
Monitoring, Regular
—
38-STRONTIUM-90
July 1, 1999 – June 30, 2003
Resolved
Monitoring, Regular
—
Gross Beta Particle Activity
July 1, 1999 – June 30, 2003
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 1992 – March 31, 1992
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 1991 – February 28, 1991
Resolved
Monitoring, Regular
—
Tritium
July 1, 1983 – June 30, 1987
Archived
Monitoring, Regular
—
Gross Beta Particle Activity
July 1, 1983 – June 30, 1987
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
November 1, 2025 – November 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 2025 – September 30, 2025	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 2024 – July 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2022 – November 29, 2022	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
October 1, 2022 – December 31, 2022	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
August 1, 2021 – August 31, 2021	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Nickel	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
November 1, 2017 – November 30, 2017	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2017 – November 30, 2017	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2017 – December 31, 2017	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2013 – July 31, 2013	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2013 – June 30, 2013	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
October 1, 2012 – December 31, 2012	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	LASSO	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Endothall	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Simazine	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Picloram	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Chlordane	—	Resolved
October 1, 2003 – March 30, 2004	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
October 1, 2003 – December 31, 2003	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
September 1, 2003 – September 30, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2003 – January 7, 2004	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2003 – September 30, 2003	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
July 1, 2003 – September 30, 2003	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
April 1, 2003 – June 30, 2003	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
April 1, 2003 – June 30, 2003	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2003 – March 31, 2003	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 2003 – March 31, 2003	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
October 1, 2002 – December 31, 2002	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 2002 – September 30, 2002	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
April 1, 2002 – June 30, 2002	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 2002 – March 31, 2002	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 1999 – June 30, 2003	Monitoring, Regular	Tritium	—	Resolved
July 1, 1999 – June 30, 2003	Monitoring, Regular	38-STRONTIUM-90	—	Resolved
July 1, 1999 – June 30, 2003	Monitoring, Regular	Gross Beta Particle Activity	—	Resolved
March 1, 1992 – March 31, 1992	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 1991 – February 28, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 1983 – June 30, 1987	Monitoring, Regular	Tritium	—	Archived
July 1, 1983 – June 30, 1987	Monitoring, Regular	Gross Beta Particle Activity	—	Archived

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

Enforcement actions

January 7, 2026State Public Notification requested1 linked violation
January 7, 2026State Formal Notice of Violation issued1 linked violation
November 3, 2025State Violation/Reminder Notice1 linked violation
November 3, 2025State Compliance achieved1 linked violation
September 9, 2024State Formal Notice of Violation issued1 linked violation
September 9, 2024State Public Notification requested1 linked violation
September 9, 2024State Compliance achieved1 linked violation
April 25, 2023State Violation/Reminder Notice1 linked violation
April 25, 2023State Compliance achieved1 linked violation
March 29, 2023State Compliance achieved1 linked violation
March 29, 2023State Public Notification received1 linked violation
November 29, 2022State Compliance achieved1 linked violation
October 12, 2022State Compliance achieved1 linked violation
February 3, 2022State Violation/Reminder Notice1 linked violation
November 3, 2021State Compliance achieved1 linked violation
October 5, 2021State Violation/Reminder Notice1 linked violation
July 20, 2018State Compliance achieved1 linked violation
July 20, 2018State Violation/Reminder Notice1 linked violation
March 6, 2018State Compliance achieved3 linked violations
March 6, 2018State Violation/Reminder Notice3 linked violations
April 28, 2014State Compliance achieved2 linked violations
April 28, 2014State Violation/Reminder Notice2 linked violations
September 4, 2013State Compliance achieved1 linked violation
September 4, 2013State Violation/Reminder Notice1 linked violation
July 30, 2013State Compliance achieved1 linked violation
July 30, 2013State Violation/Reminder Notice1 linked violation
July 1, 2013State Public Notification received2 linked violations
July 1, 2013State Compliance achieved2 linked violations
April 22, 2013State Compliance achieved1 linked violation
April 22, 2013State Violation/Reminder Notice1 linked violation
September 6, 2012State Public Notification requested2 linked violations
September 6, 2012State Public Notification requested2 linked violations
September 6, 2012State Violation/Reminder Notice2 linked violations
September 6, 2012State Violation/Reminder Notice2 linked violations
April 22, 2005State Compliance achieved16 linked violations
April 22, 2005State Consent Decree/Judgement16 linked violations
August 3, 2004State Compliance achieved1 linked violation
April 14, 2004State Consent Decree/Judgement1 linked violation
March 30, 2004State Compliance achieved1 linked violation
March 30, 2004State Consent Decree/Judgement1 linked violation
March 30, 2004State Violation/Reminder Notice1 linked violation
March 23, 2004State Consent Decree/Judgement4 linked violations
March 23, 2004State Compliance achieved4 linked violations
March 23, 2004State Violation/Reminder Notice4 linked violations
February 25, 2004State Violation/Reminder Notice3 linked violations
February 17, 2004State Compliance achieved1 linked violation
February 3, 2004State Violation/Reminder Notice6 linked violations
February 3, 2004State Compliance achieved6 linked violations
February 3, 2004State Consent Decree/Judgement6 linked violations
January 7, 2004State Compliance achieved5 linked violations
January 7, 2004State Consent Decree/Judgement5 linked violations
December 17, 2003State Violation/Reminder Notice5 linked violations
December 17, 2003State Violation/Reminder Notice5 linked violations
December 16, 2003State Compliance achieved1 linked violation
December 16, 2003State Compliance achieved1 linked violation
December 5, 2003State Compliance achieved1 linked violation
December 5, 2003State Compliance achieved1 linked violation
December 5, 2003State Consent Decree/Judgement1 linked violation
December 5, 2003State Consent Decree/Judgement1 linked violation
January 29, 1993Federal Proposed Administrative Order Issued28 linked violations
July 31, 1987State Violation/Reminder Notice3 linked violations

Contact

MAWC YOUGH PLANT

724-626-0050

GREENSBURG, PA 15601