ALLENTOWN, PA · Lehigh County
SWT MAIN SYSTEM 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)
- PA3390065
- System type
- Community Water System
- Population served
- 14,500
- Service connections
- 6,284
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2025 – December 19, 2025
ResolvedMonitoring and Reporting (DBP)
—Chlorine
September 1, 2024 – September 30, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 2024 – September 30, 2024
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
September 1, 2024 – September 30, 2024
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2020 – September 28, 2020
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
March 1, 2017 – March 31, 2017
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
September 1, 2016 – September 30, 2016
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2015 – August 31, 2015
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2015 – March 31, 2015
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2015 – March 31, 2015
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 2014 – October 31, 2014
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2014 – June 30, 2014
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
May 1, 2014 – May 31, 2014
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
April 1, 2014 – April 30, 2014
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2014 – June 12, 2014
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2014 – April 30, 2014
ResolvedMonitoring, Regular
—Endothall
January 1, 2014 – November 13, 2014
ResolvedMonitoring, Regular
—Endothall
January 1, 2014 – November 13, 2014
ResolvedMonitoring, Regular
—Endothall
January 1, 2014 – November 13, 2014
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
January 1, 2013 – January 31, 2013
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 1, 2012 – December 31, 2012
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2012 – December 31, 2012
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
September 1, 2012 – September 30, 2012
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2012 – September 30, 2012
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Endrin
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Dalapon
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Diquat
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Endothall
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—LASSO
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—2,4-D
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Chlordane
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Benzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Toluene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Styrene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2012 – December 31, 2012
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
December 1, 2010 – December 31, 2010
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2009 – August 31, 2009
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2009 – July 31, 2009
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2009 – June 30, 2009
ResolvedMonitoring, Regular
—Nitrate
April 1, 2008 – June 30, 2008
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2007 – September 30, 2007
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2006 – July 31, 2006
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2006 – June 30, 2006
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2006 – March 31, 2006
ResolvedMonitoring, Regular
—Nitrate
October 1, 2005 – December 31, 2005
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
June 10, 2005 – June 17, 2005
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
June 1, 2005 – June 30, 2005
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2005 – June 30, 2005
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
May 1, 2005 – May 31, 2005
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 2005 – May 31, 2005
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
April 10, 2005 – April 12, 2005
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
April 1, 2005 – April 30, 2005
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
March 1, 2005 – March 31, 2005
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
March 1, 2005 – March 31, 2005
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
February 1, 2005 – February 28, 2005
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2005 – February 23, 2005
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 2003 – November 30, 2003
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2003 – August 31, 2003
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2002 – September 30, 2002
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2002 – July 31, 2002
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—p-Dichlorobenzene
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—Vinyl chloride
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—1,2-Dichloroethane
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—Carbon tetrachloride
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—Trichloroethylene
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—Benzene
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—2,4,5-TP
June 24, 1988 – June 23, 1991
ResolvedMonitoring, Regular
—Toxaphene
June 24, 1988 – June 23, 1991
ResolvedMonitoring, Regular
—2,4-D
June 24, 1988 – June 23, 1991
ResolvedMonitoring, Regular
—Barium
June 24, 1988 – June 23, 1991
ResolvedMonitoring, Regular
—Arsenic
June 24, 1988 – June 23, 1991
ResolvedMonitoring, Regular
—Cadmium
June 24, 1988 – June 23, 1991
ResolvedMonitoring, Regular
—Chromium
June 24, 1988 – June 23, 1991
ResolvedMonitoring, Regular
—Fluoride
June 24, 1988 – June 23, 1991
ResolvedMonitoring, Regular
—Mercury
June 24, 1988 – June 23, 1991
ResolvedMonitoring, Regular
—Methoxychlor
June 24, 1988 – June 23, 1991
ResolvedMonitoring, Regular
—Nitrate
June 24, 1988 – June 23, 1991
ResolvedMonitoring, Regular
—Selenium
June 24, 1988 – June 23, 1991
ResolvedMonitoring, Regular
—BHC-GAMMA
June 24, 1988 – June 23, 1991
ResolvedMonitoring, Regular
—Endrin
June 24, 1988 – June 23, 1991
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—Tetrachloroethylene
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—CHLOROBENZENE
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—Toluene
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—Ethylbenzene
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—Styrene
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—Benzene
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—Vinyl chloride
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—Carbon tetrachloride
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—Trichloroethylene
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—DICHLOROMETHANE
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—BHC-GAMMA
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Endrin
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Mercury
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Selenium
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Chromium
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Fluoride
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—2,4,5-TP
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—2,4-D
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Arsenic
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Toxaphene
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Cadmium
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Methoxychlor
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Barium
June 24, 1982 – June 23, 1985
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1980 – June 30, 1984
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, 2025 – December 19, 2025 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| September 1, 2024 – September 30, 2024 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| September 1, 2024 – September 30, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 2024 – September 30, 2024 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2020 – September 28, 2020 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| March 1, 2017 – March 31, 2017 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| September 1, 2016 – September 30, 2016 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| August 1, 2015 – August 31, 2015 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| October 1, 2014 – October 31, 2014 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| June 1, 2014 – June 30, 2014 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| May 1, 2014 – May 31, 2014 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| April 1, 2014 – April 30, 2014 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2014 – June 12, 2014 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2014 – April 30, 2014 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2014 – November 13, 2014 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2014 – November 13, 2014 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2014 – November 13, 2014 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2013 – January 31, 2013 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| September 1, 2012 – September 30, 2012 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| December 1, 2010 – December 31, 2010 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 2009 – August 31, 2009 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2009 – July 31, 2009 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| June 1, 2009 – June 30, 2009 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| April 1, 2008 – June 30, 2008 | Monitoring, Regular | Nitrate | — | Resolved |
| September 1, 2007 – September 30, 2007 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2006 – July 31, 2006 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| June 1, 2006 – June 30, 2006 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 2006 – March 31, 2006 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| October 1, 2005 – December 31, 2005 | Monitoring, Regular | Nitrate | — | Resolved |
| June 10, 2005 – June 17, 2005 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| June 1, 2005 – June 30, 2005 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 2005 – June 30, 2005 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| May 1, 2005 – May 31, 2005 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 2005 – May 31, 2005 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| April 10, 2005 – April 12, 2005 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| April 1, 2005 – April 30, 2005 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| March 1, 2005 – March 31, 2005 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| March 1, 2005 – March 31, 2005 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| February 1, 2005 – February 28, 2005 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 2005 – February 23, 2005 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| November 1, 2003 – November 30, 2003 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 2003 – August 31, 2003 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| September 1, 2002 – September 30, 2002 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2002 – July 31, 2002 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| September 1, 1998 – September 30, 1998 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | Vinyl chloride | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | Trichloroethylene | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | Benzene | — | Archived |
| 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 | 2,4-D | — | Resolved |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Barium | — | Resolved |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Arsenic | — | Resolved |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Cadmium | — | Resolved |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Chromium | — | Resolved |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Fluoride | — | Resolved |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Mercury | — | Resolved |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Methoxychlor | — | Resolved |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Nitrate | — | Resolved |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Selenium | — | Resolved |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | 1,2-Dichloropropane | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | Tetrachloroethylene | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | CHLOROBENZENE | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | Toluene | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | Ethylbenzene | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | Styrene | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | Benzene | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | Vinyl chloride | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | Trichloroethylene | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | DICHLOROMETHANE | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | o-Dichlorobenzene | — | Archived |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | BHC-GAMMA | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Endrin | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Mercury | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Selenium | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Chromium | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Fluoride | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | 2,4-D | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Arsenic | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Toxaphene | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Cadmium | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Methoxychlor | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Barium | — | Archived |
| July 1, 1980 – June 30, 1984 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- December 19, 2025State Compliance achieved1 linked violation
- October 28, 2025State Violation/Reminder Notice1 linked violation
- December 18, 2024State Compliance achieved3 linked violations
- October 31, 2024State Public Notification requested3 linked violations
- October 31, 2024State Violation/Reminder Notice3 linked violations
- September 28, 2020State Violation/Reminder Notice1 linked violation
- September 28, 2020State Compliance achieved1 linked violation
- May 17, 2018State Public Notification received1 linked violation
- January 12, 2018State Compliance achieved1 linked violation
- October 20, 2017State Violation/Reminder Notice1 linked violation
- October 20, 2017State Public Notification requested1 linked violation
- May 12, 2017State Compliance achieved1 linked violation
- April 28, 2017State Violation/Reminder Notice1 linked violation
- October 27, 2016State Public Notification received1 linked violation
- October 27, 2016State Public Notification requested1 linked violation
- October 27, 2016State Violation/Reminder Notice1 linked violation
- October 27, 2016State Compliance achieved1 linked violation
- October 14, 2015State Compliance achieved2 linked violations
- September 23, 2015State Public Notification requested2 linked violations
- September 23, 2015State Public Notification requested2 linked violations
- September 23, 2015State Violation/Reminder Notice2 linked violations
- September 23, 2015State Violation/Reminder Notice2 linked violations
- September 23, 2015State Public Notification received2 linked violations
- September 23, 2015State Public Notification received2 linked violations
- May 12, 2015State Compliance achieved2 linked violations
- May 12, 2015State Public Notification received2 linked violations
- April 24, 2015State Formal Notice of Violation issued2 linked violations
- April 24, 2015State Public Notification requested2 linked violations
- February 12, 2015State Compliance achieved1 linked violation
- January 22, 2015State Public Notification requested1 linked violation
- January 22, 2015State Violation/Reminder Notice1 linked violation
- January 22, 2015State Public Notification received1 linked violation
- December 12, 2014State Compliance achieved1 linked violation
- November 24, 2014State Public Notification received1 linked violation
- November 24, 2014State Public Notification requested1 linked violation
- November 24, 2014State Violation/Reminder Notice1 linked violation
- November 13, 2014State Compliance achieved3 linked violations
- October 24, 2014State Formal Notice of Violation issued3 linked violations
- October 24, 2014State Public Notification requested3 linked violations
- August 18, 2014State Compliance achieved1 linked violation
- July 24, 2014State Public Notification requested1 linked violation
- July 24, 2014State Public Notification received1 linked violation
- July 24, 2014State Formal Notice of Violation issued1 linked violation
- June 27, 2014State Public Notification received4 linked violations
- June 24, 2014State Compliance achieved1 linked violation
- June 24, 2014State Public Notification requested1 linked violation
- June 24, 2014State Formal Notice of Violation issued1 linked violation
- June 12, 2014State Compliance achieved3 linked violations
- June 6, 2014State Formal Notice of Violation issued3 linked violations
- May 23, 2014State Violation/Reminder Notice3 linked violations
- May 23, 2014State Public Notification requested3 linked violations
- September 12, 2013State Public Notification received2 linked violations
- June 19, 2013State Public Notification received2 linked violations
- April 19, 2013State Compliance achieved2 linked violations
- April 19, 2013State Public Notification requested2 linked violations
- April 19, 2013State Violation/Reminder Notice2 linked violations
- April 8, 2013State Public Notification received20 linked violations
- March 18, 2013State Compliance achieved1 linked violation
- February 22, 2013State Violation/Reminder Notice1 linked violation
- February 12, 2013State Compliance achieved20 linked violations
- February 5, 2013State Formal Notice of Violation issued20 linked violations
- February 5, 2013State Public Notification requested20 linked violations
- January 14, 2013State Compliance achieved2 linked violations
- December 6, 2012State Formal Notice of Violation issued2 linked violations
- December 6, 2012State Public Notification requested2 linked violations
- November 14, 2012State Compliance achieved1 linked violation
- October 25, 2012State Violation/Reminder Notice1 linked violation
- June 12, 2012State Public Notification received30 linked violations
- June 12, 2012State Compliance achieved30 linked violations
- June 5, 2012State Formal Notice of Violation issued30 linked violations
- April 23, 2012State Violation/Reminder Notice30 linked violations
- April 23, 2012State Public Notification requested30 linked violations
- February 14, 2011State Compliance achieved1 linked violation
- January 28, 2011State Public Notification received1 linked violation
- January 28, 2011State Violation/Reminder Notice1 linked violation
- January 28, 2011State Public Notification requested1 linked violation
- October 1, 2009State Compliance achieved3 linked violations
- October 1, 2009State Public Notification received2 linked violations
- September 23, 2009State Public Notification requested1 linked violation
- September 23, 2009State Violation/Reminder Notice1 linked violation
- August 20, 2009State Public Notification requested1 linked violation
- August 20, 2009State Violation/Reminder Notice1 linked violation
- July 20, 2009State Public Notification requested1 linked violation
- July 20, 2009State Public Notification received1 linked violation
- July 20, 2009State Violation/Reminder Notice1 linked violation
- August 1, 2008State Public Notification received1 linked violation
- August 1, 2008State Compliance achieved1 linked violation
- July 31, 2008State Violation/Reminder Notice1 linked violation
- July 31, 2008State Public Notification requested1 linked violation
- November 15, 2007State Compliance achieved1 linked violation
- November 8, 2007State Public Notification received1 linked violation
- October 23, 2007State Violation/Reminder Notice1 linked violation
- September 15, 2006State Compliance achieved1 linked violation
- September 8, 2006State Public Notification received1 linked violation
- August 24, 2006State Public Notification requested1 linked violation
- August 24, 2006State Violation/Reminder Notice1 linked violation
- July 26, 2006State Violation/Reminder Notice1 linked violation
- July 26, 2006State Compliance achieved1 linked violation
- July 26, 2006State Public Notification received1 linked violation
- July 26, 2006State Public Notification requested1 linked violation
- June 8, 2006State Public Notification received1 linked violation
- May 1, 2006State Compliance achieved1 linked violation
- May 1, 2006State Violation/Reminder Notice1 linked violation
- February 14, 2006State Compliance achieved1 linked violation
- January 25, 2006State Public Notification requested1 linked violation
- January 25, 2006State Site Visit for enforcement purposes1 linked violation
- August 4, 2005State Public Notification requested2 linked violations
- August 4, 2005State Compliance achieved2 linked violations
- August 4, 2005State Public Notification received2 linked violations
- August 4, 2005State Violation/Reminder Notice1 linked violation
- July 11, 2005State Public Notification requested2 linked violations
- July 11, 2005State Compliance achieved2 linked violations
- July 11, 2005State Public Notification received2 linked violations
- July 11, 2005State Violation/Reminder Notice2 linked violations
- June 17, 2005State Compliance achieved2 linked violations
- June 17, 2005State Compliance achieved2 linked violations
- June 6, 2005State Public Notification requested1 linked violation
- June 6, 2005State Public Notification requested1 linked violation
- June 6, 2005State Violation/Reminder Notice1 linked violation
- June 6, 2005State Violation/Reminder Notice1 linked violation
- June 5, 2005State Violation/Reminder Notice1 linked violation
- June 5, 2005State Public Notification requested1 linked violation
- June 5, 2005State Public Notification requested1 linked violation
- June 5, 2005State Violation/Reminder Notice1 linked violation
- May 18, 2005State Public Notification requested1 linked violation
- May 18, 2005State Compliance achieved1 linked violation
- May 18, 2005State Public Notification received1 linked violation
- May 18, 2005State Violation/Reminder Notice1 linked violation
- May 12, 2005State Public Notification requested1 linked violation
- May 12, 2005State Compliance achieved1 linked violation
- May 12, 2005State Public Notification received1 linked violation
- May 12, 2005State Violation/Reminder Notice1 linked violation
- April 14, 2005State Violation/Reminder Notice1 linked violation
- April 14, 2005State Public Notification requested1 linked violation
- April 14, 2005State Violation/Reminder Notice1 linked violation
- April 14, 2005State Compliance achieved1 linked violation
- April 14, 2005State Compliance achieved1 linked violation
- April 14, 2005State Public Notification requested1 linked violation
- April 12, 2005State Compliance achieved1 linked violation
- April 12, 2005State Violation/Reminder Notice1 linked violation
- February 23, 2005State Compliance achieved1 linked violation
- February 23, 2005State Technical Assistance Visit1 linked violation
- January 22, 2004State Compliance achieved1 linked violation
- January 22, 2004State Public Notification received1 linked violation
- September 30, 2003State Public Notification received1 linked violation
- September 30, 2003State Compliance achieved1 linked violation
- September 30, 2003State Site Visit for enforcement purposes1 linked violation
- October 30, 2002State Violation/Reminder Notice1 linked violation
- October 30, 2002State Compliance achieved1 linked violation
- October 30, 2002State Public Notification received1 linked violation
- October 30, 2002State Site Visit for enforcement purposes1 linked violation
- October 30, 2002State Public Notification requested1 linked violation
- September 18, 1991State Public Notification received14 linked violations
- August 9, 1991State Site Visit for enforcement purposes14 linked violations
- June 20, 1988State Public Notification requested21 linked violations
- May 29, 1985State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- October 10, 1984State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- May 22, 1984State Violation/Reminder Notice1 linked violation
Contact
SWT MAIN SYSTEM
610-398-0407
ALLENTOWN, PA 18104