CHESWICK, PA · Allegheny County

HARMAR TWP MUNI 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): PA5020009
System type: Community Water System
Population served: 3,200
Service connections: 1,087
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
Bromate
July 1, 2022 – September 30, 2022
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
April 1, 2020 – April 30, 2020
Resolved
Monitoring and Reporting (DBP)
—
Bromate
July 1, 2018 – September 30, 2018
Resolved
Monitoring and Reporting (DBP)
—
Bromate
October 1, 2016 – December 31, 2016
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
October 1, 2012 – October 31, 2012
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
October 1, 2012 – October 31, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2012 – March 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2012 – March 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
Bromate
January 1, 2012 – March 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2011 – December 22, 2011
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
2,4,5-TP
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
2,4-D
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
LASSO
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Carbofuran
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Dinoseb
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Picloram
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
OXAMYL
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Simazine
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Glyphosate
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Endothall
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Diquat
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Dalapon
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Endrin
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Styrene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Toluene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Benzene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2011 – December 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2010 – September 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2007 – August 31, 2007
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2007 – July 31, 2007
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2005
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2005 – March 25, 2005
Resolved
Monitoring, Regular
—
Styrene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Toluene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Benzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2005 – December 31, 2005
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2004 – January 31, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2004 – December 27, 2004
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Selenium
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Nickel
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Mercury
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Chromium
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Barium
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1992 – June 30, 1996
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
Benzene
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
Toluene
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
Styrene
January 1, 1990 – March 31, 1990
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1990 – March 31, 1990
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2022 – September 30, 2022	Monitoring and Reporting (DBP)	Bromate	—	Resolved
April 1, 2020 – April 30, 2020	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2018 – September 30, 2018	Monitoring and Reporting (DBP)	Bromate	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring and Reporting (DBP)	Bromate	—	Resolved
October 1, 2012 – October 31, 2012	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
October 1, 2012 – October 31, 2012	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
March 1, 2012 – March 31, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring and Reporting (DBP)	Bromate	—	Resolved
October 1, 2011 – December 22, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	2,4,5-TP	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	2,4-D	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	LASSO	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Atrazine	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Carbofuran	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Dinoseb	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Picloram	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	OXAMYL	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Simazine	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Glyphosate	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Endothall	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Diquat	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Dalapon	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Endrin	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Styrene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Toluene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Benzene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2011 – December 31, 2011	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
August 1, 2007 – August 31, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2007 – July 31, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2005 – March 25, 2005	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Styrene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Toluene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Benzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 2004 – January 31, 2005	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2004 – December 27, 2004	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Selenium	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Nickel	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Mercury	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Chromium	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Barium	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Arsenic	—	Resolved
July 1, 1992 – June 30, 1996	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	Benzene	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	Toluene	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	Styrene	—	Resolved
January 1, 1990 – March 31, 1990	Monitoring, Regular	p-Dichlorobenzene	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

November 26, 2025State Compliance achieved1 linked violation
November 26, 2025State Compliance achieved1 linked violation
November 14, 2022State Public Notification requested1 linked violation
November 14, 2022State Formal Notice of Violation issued1 linked violation
March 23, 2022State Violation/Reminder Notice1 linked violation
March 23, 2022State Compliance achieved1 linked violation
September 16, 2020State Violation/Reminder Notice1 linked violation
November 19, 2018State Compliance achieved1 linked violation
March 14, 2017State Compliance achieved1 linked violation
November 13, 2013State Compliance achieved1 linked violation
June 5, 2013State Compliance achieved1 linked violation
June 5, 2013State Public Notification received1 linked violation
February 1, 2013State Public Notification requested1 linked violation
February 1, 2013State Violation/Reminder Notice1 linked violation
January 17, 2013State Compliance achieved2 linked violations
December 6, 2012State Violation/Reminder Notice2 linked violations
July 2, 2012State Public Notification received20 linked violations
May 15, 2012State Compliance achieved2 linked violations
May 9, 2012State Compliance achieved1 linked violation
March 16, 2012State Compliance achieved20 linked violations
January 27, 2012State Formal Notice of Violation issued20 linked violations
January 27, 2012State Public Notification requested20 linked violations
December 22, 2011State Compliance achieved1 linked violation
November 22, 2011State Compliance achieved22 linked violations
November 5, 2010State Compliance achieved1 linked violation
July 15, 2009State Compliance achieved1 linked violation
October 1, 2007State Compliance achieved1 linked violation
October 1, 2007State Public Notification received1 linked violation
September 21, 2007State Formal Notice of Violation issued1 linked violation
September 21, 2007State Formal Notice of Violation issued1 linked violation
September 21, 2007State Compliance achieved1 linked violation
September 21, 2007State Public Notification requested1 linked violation
September 21, 2007State Public Notification requested1 linked violation
August 31, 2007State Violation/Reminder Notice1 linked violation
June 21, 2007State Public Notification received1 linked violation
March 20, 2007State Compliance achieved1 linked violation
January 31, 2007State Public Notification requested1 linked violation
January 31, 2007State Formal Notice of Violation issued1 linked violation
July 12, 2006State Public Notification received20 linked violations
July 12, 2006State Compliance achieved20 linked violations
February 1, 2006State Public Notification requested20 linked violations
February 1, 2006State Formal Notice of Violation issued20 linked violations
June 23, 2005State Public Notification received2 linked violations
March 25, 2005State Compliance achieved2 linked violations
February 18, 2005State Formal Notice of Violation issued2 linked violations
February 18, 2005State Public Notification requested2 linked violations
January 31, 2005State Formal Notice of Violation issued1 linked violation
January 31, 2005State Compliance achieved1 linked violation
January 31, 2005State Consent Decree/Judgement1 linked violation
December 27, 2004State Compliance achieved1 linked violation
December 27, 2004State Consent Decree/Judgement1 linked violation
October 26, 2004State Formal Notice of Violation issued1 linked violation
April 8, 1991State Violation/Reminder Notice1 linked violation
November 23, 1988State Formal Notice of Violation issuedgeneral 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

Contact

HARMAR TWP MUNI AUTH

724-274-7383

CHESWICK, PA 15024