LIGONIER, PA · Westmoreland County

WATERFORD WATERWORKS 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): PA5650037
System type: Community Water System
Population served: 389
Service connections: 175
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
TTHM
July 1, 2024 – September 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2024 – September 30, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – June 23, 2025
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2024 – June 23, 2025
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Benzene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Toluene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Styrene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Diquat
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Endothall
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Simazine
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Picloram
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2024 – December 31, 2024
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2022 – June 23, 2025
Resolved
Monitoring, Regular
—
Asbestos
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2022 – December 31, 2022
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
February 1, 2019 – February 28, 2019
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2019 – December 31, 2019
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
January 1, 2019 – January 31, 2019
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
May 1, 2017 – July 26, 2017
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2015 – September 30, 2015
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
August 1, 2014 – August 31, 2014
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
August 1, 2013 – August 31, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – September 24, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2007 – May 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2004 – March 31, 2004
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
August 1, 2000 – August 31, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1999 – April 30, 1999
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1997 – December 31, 1997
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 1996 – January 16, 1998
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
Xylenes, Total
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
Benzene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
Toluene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
Styrene
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Toluene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Benzene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
CHLOROBENZENE
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Styrene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Xylenes, Total
April 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Nitrate
July 1, 1993 – September 30, 1993
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – March 31, 1993
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1991 – March 31, 1991
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1991 – March 31, 1991
Resolved
Monitoring, Regular
—
Benzene
January 1, 1991 – March 31, 1991
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1991 – March 31, 1991
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1991 – March 31, 1991
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1991 – March 31, 1991
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1991 – March 31, 1991
Resolved
Monitoring, Regular
—
Chromium
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Fluoride
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Mercury
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Nitrate
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Selenium
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Arsenic
June 27, 1989 – June 26, 1990
Resolved
Monitoring, Regular
—
Cadmium
June 27, 1989 – June 26, 1990
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Mercury
June 25, 1988 – June 24, 1989
Resolved
Monitoring, Check/Repeat/Confirmation
—
Mercury
June 25, 1988 – June 24, 1989
Resolved
Monitoring, Regular
—
2,4,5-TP
June 24, 1988 – June 23, 1991
Resolved
Monitoring, Regular
—
Toxaphene
June 24, 1988 – June 23, 1991
Resolved
Monitoring, Regular
—
Methoxychlor
June 24, 1988 – June 23, 1991
Resolved
Monitoring, Regular
—
BHC-GAMMA
June 24, 1988 – June 23, 1991
Resolved
Monitoring, Regular
—
Endrin
June 24, 1988 – June 23, 1991
Resolved
Monitoring, Regular
—
2,4-D
June 24, 1988 – June 23, 1991
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Mercury
August 27, 1986 – October 26, 1986
Archived
Monitoring, Check/Repeat/Confirmation
—
Mercury
June 26, 1986 – September 25, 1986
Resolved
Monitoring, Regular
—
Arsenic
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
Monitoring, Regular
—
Selenium
June 26, 1985 – June 25, 1986
Archived
Monitoring, Regular
—
Chromium
June 26, 1985 – June 25, 1986
Archived
Monitoring, Regular
—
Fluoride
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
—
Selenium
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Endrin
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
BHC-GAMMA
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Methoxychlor
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
2,4-D
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Arsenic
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Barium
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Cadmium
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Chromium
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Fluoride
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Mercury
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Nitrate
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Arsenic
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Barium
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Chromium
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Fluoride
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Mercury
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Nitrate
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Selenium
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Cadmium
June 24, 1979 – June 23, 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, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 11, 2024 – June 23, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2024 – June 23, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Nitrite	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Benzene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Toluene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Styrene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Diquat	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Endothall	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Simazine	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Picloram	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
October 1, 2022 – June 23, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Asbestos	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Nitrite	—	Resolved
February 1, 2019 – February 28, 2019	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Nitrite	—	Resolved
January 1, 2019 – January 31, 2019	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
May 1, 2017 – July 26, 2017	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2015 – September 30, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
August 1, 2014 – August 31, 2014	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
August 1, 2013 – August 31, 2013	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2010 – September 24, 2010	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
May 1, 2007 – May 31, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
August 1, 2000 – August 31, 2000	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
April 1, 1999 – April 30, 1999	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1997 – December 31, 1997	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1996 – January 16, 1998	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	Xylenes, Total	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	CHLOROBENZENE	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	Benzene	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	Toluene	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 1994 – September 30, 1994	Monitoring, Regular	Styrene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Ethylbenzene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Toluene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Benzene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Styrene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 1994 – June 30, 1994	Monitoring, Regular	Xylenes, Total	—	Resolved
July 1, 1993 – September 30, 1993	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1993 – March 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1991 – March 31, 1991	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1991 – March 31, 1991	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1991 – March 31, 1991	Monitoring, Regular	Benzene	—	Resolved
January 1, 1991 – March 31, 1991	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1991 – March 31, 1991	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1991 – March 31, 1991	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1991 – March 31, 1991	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Chromium	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Fluoride	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Mercury	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Nitrate	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Selenium	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Arsenic	—	Resolved
June 27, 1989 – June 26, 1990	Monitoring, Regular	Cadmium	—	Resolved
June 25, 1988 – June 24, 1989	Maximum Contaminant Level Violation, Single Sample	Mercury	Health-based	Resolved
June 25, 1988 – June 24, 1989	Monitoring, Check/Repeat/Confirmation	Mercury	—	Resolved
June 24, 1988 – June 23, 1991	Monitoring, Regular	2,4,5-TP	—	Resolved
June 24, 1988 – June 23, 1991	Monitoring, Regular	Toxaphene	—	Resolved
June 24, 1988 – June 23, 1991	Monitoring, Regular	Methoxychlor	—	Resolved
June 24, 1988 – June 23, 1991	Monitoring, Regular	BHC-GAMMA	—	Resolved
June 24, 1988 – June 23, 1991	Monitoring, Regular	Endrin	—	Resolved
June 24, 1988 – June 23, 1991	Monitoring, Regular	2,4-D	—	Resolved
August 27, 1986 – October 26, 1986	Maximum Contaminant Level Violation, Single Sample	Mercury	Health-based	Archived
June 26, 1986 – September 25, 1986	Monitoring, Check/Repeat/Confirmation	Mercury	—	Resolved
June 26, 1985 – June 25, 1986	Monitoring, Regular	Arsenic	—	Archived
June 26, 1985 – June 25, 1986	Monitoring, Regular	Cadmium	—	Archived
June 26, 1985 – June 25, 1986	Monitoring, Regular	Nitrate	—	Archived
June 26, 1985 – June 25, 1986	Monitoring, Regular	Selenium	—	Archived
June 26, 1985 – June 25, 1986	Monitoring, Regular	Chromium	—	Archived
June 26, 1985 – June 25, 1986	Monitoring, Regular	Fluoride	—	Archived
June 26, 1985 – June 25, 1986	Monitoring, Regular	Mercury	—	Archived
June 26, 1985 – June 25, 1986	Monitoring, Regular	Barium	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Selenium	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Endrin	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	BHC-GAMMA	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Methoxychlor	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	2,4-D	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Arsenic	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Barium	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Cadmium	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Chromium	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Fluoride	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Mercury	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Nitrate	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Arsenic	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Barium	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Chromium	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Fluoride	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Mercury	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Nitrate	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Selenium	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Cadmium	—	Archived

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

Enforcement actions

February 25, 2026State Public Notification received2 linked violations
February 25, 2026State Compliance achieved2 linked violations
February 25, 2026State Public Notification received2 linked violations
February 25, 2026State Compliance achieved2 linked violations
December 2, 2025State Compliance achieved2 linked violations
December 2, 2025State Public Notification received2 linked violations
June 23, 2025State Public Notification received20 linked violations
June 23, 2025State Compliance achieved1 linked violation
June 23, 2025State Compliance achieved1 linked violation
June 23, 2025State Public Notification received1 linked violation
June 23, 2025State Public Notification received20 linked violations
June 23, 2025State Compliance achieved20 linked violations
June 23, 2025State Compliance achieved20 linked violations
February 12, 2025State Formal Notice of Violation issued22 linked violations
February 12, 2025State Public Notification requested22 linked violations
November 12, 2024State Public Notification requested2 linked violations
November 12, 2024State Formal Notice of Violation issued2 linked violations
August 13, 2024State Public Notification requested18 linked violations
August 13, 2024State Formal Notice of Violation issued18 linked violations
March 13, 2024State Public Notification requested2 linked violations
March 13, 2024State Violation/Reminder Notice2 linked violations
December 7, 2023State Public Notification requested2 linked violations
December 7, 2023State Formal Notice of Violation issued2 linked violations
November 14, 2023State Formal Notice of Violation issued1 linked violation
November 14, 2023State Public Notification requested1 linked violation
January 30, 2023State Violation/Reminder Notice2 linked violations
January 30, 2023State Public Notification requested2 linked violations
November 14, 2022State Formal Notice of Violation issued1 linked violation
August 10, 2020State Public Notification received2 linked violations
August 10, 2020State Public Notification received3 linked violations
May 13, 2020State Compliance achieved1 linked violation
April 10, 2020State Compliance achieved1 linked violation
April 10, 2020State Violation/Reminder Notice1 linked violation
March 29, 2020State Violation/Reminder Notice1 linked violation
March 29, 2020State Public Notification requested1 linked violation
January 8, 2020State Compliance achieved2 linked violations
April 15, 2019State Compliance achieved2 linked violations
March 25, 2019State Public Notification requested2 linked violations
March 25, 2019State Formal Notice of Violation issued2 linked violations
March 18, 2019State Public Notification requested1 linked violation
March 18, 2019State Compliance achieved1 linked violation
March 18, 2019State Formal Notice of Violation issued1 linked violation
July 26, 2017State Compliance achieved2 linked violations
June 23, 2017State Public Notification requested1 linked violation
June 23, 2017State Formal Notice of Violation issued1 linked violation
June 22, 2017State Public Notification requested1 linked violation
June 22, 2017State Formal Notice of Violation issued1 linked violation
October 29, 2014State Compliance achieved1 linked violation
September 29, 2014State Violation/Reminder Notice1 linked violation
September 29, 2014State Violation/Reminder Notice1 linked violation
November 27, 2013State Compliance achieved1 linked violation
September 24, 2010State Compliance achieved1 linked violation
September 24, 2010State Violation/Reminder Notice1 linked violation
July 9, 2007State Compliance achieved1 linked violation
August 5, 2004State Consent Decree/Judgement2 linked violations
August 5, 2004State Violation/Reminder Notice1 linked violation
August 5, 2004State Compliance achieved2 linked violations
June 11, 2004State Violation/Reminder Notice1 linked violation
August 7, 1991State Compliance achieved7 linked violations
July 31, 1990State Public Notification requested8 linked violations
July 14, 1989State Technical Assistance Visit2 linked violations
June 29, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 2, 1989State Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
February 1, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
January 3, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 1, 1988State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 7, 1988State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
June 24, 1988State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
March 25, 1988State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 28, 1987State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 28, 1987State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 25, 1987State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 14, 1987State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
June 29, 1987State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 17, 1986State Compliance achieved1 linked violation
November 26, 1986State Violation/Reminder Notice1 linked violation
August 7, 1986State Formal Notice of Violation issued8 linked violations
June 5, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 4, 1986State Site Visit for enforcement purposesgeneral compliance action — not tied to a specific violation on record
October 22, 1985State Violation/Reminder Noticegeneral 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
September 19, 1981Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
July 19, 1981State Public Notification requested14 linked violations

Contact

WATERFORD WATERWORKS

724-238-7464

LIGONIER, PA 15658