MORGONTOWN, PA · Dauphin County
OAK KNOLL EST MHP 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)
- PA7220001
- System type
- Community Water System
- Population served
- 350
- Service connections
- 102
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
June 1, 2024 – June 30, 2024
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
May 1, 2024 – May 31, 2024
ResolvedMonitoring, Regular
—Nitrite
January 1, 2023 – March 31, 2023
ResolvedMonitoring, Regular
—Nitrate
January 1, 2023 – March 31, 2023
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 2022 – December 31, 2022
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
April 1, 2022 – April 30, 2022
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
September 13, 2019 – November 18, 2019
ResolvedTreatment Technique (SWTR and GWR)
Health-basedGroundwater Rule
September 1, 2019 – September 30, 2019
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
August 1, 2019 – August 31, 2019
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
May 1, 2019 – May 31, 2019
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
March 1, 2019 – March 31, 2019
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
October 1, 2018 – October 31, 2018
ResolvedMonitoring, Regular
—Endothall
January 1, 2018 – August 20, 2018
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
November 1, 2017 – November 30, 2017
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2017 – September 30, 2017
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
March 1, 2016 – March 31, 2016
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
January 1, 2016 – January 31, 2016
ResolvedMonitoring, Regular
—Diquat
January 1, 2015 – August 25, 2015
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
October 1, 2012 – February 28, 2013
ResolvedTreatment Technique (SWTR and GWR)
Health-basedGroundwater Rule
October 1, 2012 – October 31, 2012
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
July 1, 2012 – December 5, 2012
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2012 – July 31, 2012
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2012 – September 30, 2012
ResolvedTreatment Technique (SWTR and GWR)
Health-basedGroundwater Rule
July 1, 2012 – July 31, 2012
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
April 1, 2012 – April 30, 2012
ResolvedTreatment Technique (SWTR and GWR)
Health-basedGroundwater Rule
April 1, 2012 – April 30, 2012
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
April 1, 2012 – August 6, 2012
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
March 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Nitrate
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—Nitrite
January 1, 2010 – March 31, 2010
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2007 – September 14, 2007
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2007 – January 31, 2007
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2007 – March 7, 2007
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 2005 – April 30, 2005
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2005 – June 30, 2005
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 2004 – April 30, 2004
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—Nitrate
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—Nitrate
April 1, 2004 – June 30, 2004
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2004 – March 31, 2004
ResolvedMonitoring, Regular
—Toluene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Styrene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Atrazine
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Benzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Toluene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Styrene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Atrazine
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Benzene
January 1, 2003 – December 31, 2003
ResolvedMonitoring, Regular
—Nitrate
July 1, 2000 – September 30, 2000
ResolvedMonitoring, Regular
—Nitrate
July 1, 2000 – September 30, 2000
ResolvedMonitoring, Regular
—Nitrate
April 1, 2000 – June 30, 2000
ResolvedMonitoring, Regular
—Nitrate
April 1, 2000 – June 30, 2000
ResolvedMonitoring, Regular
—Nitrate
July 1, 1999 – September 30, 1999
ResolvedMonitoring, Regular
—Nitrate
October 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Xylenes, Total
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—DICHLOROMETHANE
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Carbon tetrachloride
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Trichloroethylene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Tetrachloroethylene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—CHLOROBENZENE
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Benzene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Toluene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Ethylbenzene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Styrene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Xylenes, Total
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—DICHLOROMETHANE
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Carbon tetrachloride
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Trichloroethylene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Tetrachloroethylene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—CHLOROBENZENE
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Benzene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Toluene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Ethylbenzene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Styrene
January 1, 1994 – March 31, 1994
ArchivedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
January 1, 1994 – June 26, 1995
ResolvedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
July 1, 1993 – June 26, 1995
ResolvedMonitoring, Regular
—Nitrate
January 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1991 – March 31, 1991
ArchivedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1991 – March 31, 1991
ArchivedMonitoring, Regular
—Benzene
January 1, 1991 – March 31, 1991
ArchivedMonitoring, Regular
—Trichloroethylene
January 1, 1991 – March 31, 1991
ArchivedMonitoring, Regular
—Carbon tetrachloride
January 1, 1991 – March 31, 1991
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1991 – March 31, 1991
ArchivedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1991 – March 31, 1991
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1991 – March 31, 1991
ArchivedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1991 – March 31, 1991
ArchivedMonitoring, Regular
—Benzene
January 1, 1991 – March 31, 1991
ArchivedMonitoring, Regular
—Trichloroethylene
January 1, 1991 – March 31, 1991
ArchivedMonitoring, Regular
—Carbon tetrachloride
January 1, 1991 – March 31, 1991
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1991 – March 31, 1991
ArchivedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1991 – March 31, 1991
ArchivedMonitoring, Regular
—Vinyl chloride
January 1, 1991 – March 31, 1991
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1988 – June 30, 1992
ArchivedMonitoring, Regular
—Fluoride
June 24, 1988 – June 23, 1991
ArchivedMonitoring, Regular
—BHC-GAMMA
June 24, 1988 – June 23, 1991
ArchivedMonitoring, Regular
—Toxaphene
June 24, 1988 – June 23, 1991
ArchivedMonitoring, Regular
—2,4-D
June 24, 1988 – June 23, 1991
ArchivedMonitoring, Regular
—2,4,5-TP
June 24, 1988 – June 23, 1991
ArchivedMonitoring, Regular
—Arsenic
June 24, 1988 – June 23, 1991
ArchivedMonitoring, Regular
—Barium
June 24, 1988 – June 23, 1991
ArchivedMonitoring, Regular
—Cadmium
June 24, 1988 – June 23, 1991
ArchivedMonitoring, Regular
—Chromium
June 24, 1988 – June 23, 1991
ArchivedMonitoring, Regular
—Mercury
June 24, 1988 – June 23, 1991
ArchivedMonitoring, Regular
—Nitrate
June 24, 1988 – June 23, 1991
ArchivedMonitoring, Regular
—Selenium
June 24, 1988 – June 23, 1991
ArchivedMonitoring, Regular
—2,4,5-TP
June 24, 1982 – June 23, 1985
ResolvedMonitoring, Regular
—2,4-D
June 24, 1982 – June 23, 1985
ResolvedMonitoring, Regular
—Selenium
June 24, 1982 – June 23, 1985
ResolvedMonitoring, Regular
—Chromium
June 24, 1982 – June 23, 1985
ResolvedMonitoring, Regular
—Cadmium
June 24, 1982 – June 23, 1985
ResolvedMonitoring, Regular
—Barium
June 24, 1982 – June 23, 1985
ResolvedMonitoring, Regular
—Arsenic
June 24, 1982 – June 23, 1985
ResolvedMonitoring, Regular
—Nitrate
June 24, 1982 – June 23, 1985
ResolvedMonitoring, Regular
—Mercury
June 24, 1982 – June 23, 1985
ResolvedMonitoring, Regular
—Toxaphene
June 24, 1982 – June 23, 1985
ResolvedMonitoring, Regular
—Methoxychlor
June 24, 1982 – June 23, 1985
ResolvedMonitoring, Regular
—Fluoride
June 24, 1982 – June 23, 1985
ResolvedMonitoring, Regular
—BHC-GAMMA
June 24, 1982 – June 23, 1985
ResolvedMonitoring, Regular
—Endrin
June 24, 1982 – June 23, 1985
Resolved
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 |
|---|---|---|---|---|
| June 1, 2024 – June 30, 2024 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| May 1, 2024 – May 31, 2024 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| January 1, 2023 – March 31, 2023 | Monitoring, Regular | Nitrite | — | Resolved |
| January 1, 2023 – March 31, 2023 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| April 1, 2022 – April 30, 2022 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| September 13, 2019 – November 18, 2019 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| September 1, 2019 – September 30, 2019 | Treatment Technique (SWTR and GWR) | Groundwater Rule | Health-based | Resolved |
| August 1, 2019 – August 31, 2019 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| May 1, 2019 – May 31, 2019 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| March 1, 2019 – March 31, 2019 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| October 1, 2018 – October 31, 2018 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| January 1, 2018 – August 20, 2018 | Monitoring, Regular | Endothall | — | Resolved |
| November 1, 2017 – November 30, 2017 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| July 1, 2017 – September 30, 2017 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| March 1, 2016 – March 31, 2016 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| January 1, 2016 – January 31, 2016 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| January 1, 2015 – August 25, 2015 | Monitoring, Regular | Diquat | — | Resolved |
| October 1, 2012 – February 28, 2013 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| October 1, 2012 – October 31, 2012 | Treatment Technique (SWTR and GWR) | Groundwater Rule | Health-based | Resolved |
| July 1, 2012 – December 5, 2012 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| July 1, 2012 – July 31, 2012 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2012 – July 31, 2012 | Treatment Technique (SWTR and GWR) | Groundwater Rule | Health-based | Resolved |
| April 1, 2012 – April 30, 2012 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| April 1, 2012 – April 30, 2012 | Treatment Technique (SWTR and GWR) | Groundwater Rule | Health-based | Resolved |
| April 1, 2012 – August 6, 2012 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| March 1, 2012 – March 31, 2012 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Nitrite | — | Resolved |
| July 1, 2007 – September 14, 2007 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2007 – January 31, 2007 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2007 – March 7, 2007 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2005 – April 30, 2005 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2005 – June 30, 2005 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2004 – April 30, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | Nitrate | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2004 – March 31, 2004 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2003 – December 31, 2003 | Monitoring, Regular | Benzene | — | Resolved |
| July 1, 2000 – September 30, 2000 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 2000 – September 30, 2000 | Monitoring, Regular | Nitrate | — | Resolved |
| April 1, 2000 – June 30, 2000 | Monitoring, Regular | Nitrate | — | Resolved |
| April 1, 2000 – June 30, 2000 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 1999 – September 30, 1999 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 1997 – December 31, 1997 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Xylenes, Total | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | DICHLOROMETHANE | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | o-Dichlorobenzene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,2-Dichloropropane | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Trichloroethylene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Tetrachloroethylene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | CHLOROBENZENE | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Benzene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Toluene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Ethylbenzene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Styrene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Xylenes, Total | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | DICHLOROMETHANE | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | o-Dichlorobenzene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,2-Dichloropropane | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Trichloroethylene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Tetrachloroethylene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | CHLOROBENZENE | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Benzene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Toluene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Ethylbenzene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Styrene | — | Archived |
| January 1, 1994 – June 26, 1995 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
| July 1, 1993 – June 26, 1995 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | Nitrate | — | Archived |
| January 1, 1991 – March 31, 1991 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| January 1, 1991 – March 31, 1991 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| January 1, 1991 – March 31, 1991 | Monitoring, Regular | Benzene | — | Archived |
| January 1, 1991 – March 31, 1991 | Monitoring, Regular | Trichloroethylene | — | Archived |
| January 1, 1991 – March 31, 1991 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| January 1, 1991 – March 31, 1991 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| January 1, 1991 – March 31, 1991 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| January 1, 1991 – March 31, 1991 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| January 1, 1991 – March 31, 1991 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| January 1, 1991 – March 31, 1991 | Monitoring, Regular | Benzene | — | Archived |
| January 1, 1991 – March 31, 1991 | Monitoring, Regular | Trichloroethylene | — | Archived |
| January 1, 1991 – March 31, 1991 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| January 1, 1991 – March 31, 1991 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| January 1, 1991 – March 31, 1991 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| January 1, 1991 – March 31, 1991 | Monitoring, Regular | Vinyl chloride | — | Archived |
| July 1, 1988 – June 30, 1992 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Fluoride | — | Archived |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | BHC-GAMMA | — | Archived |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Toxaphene | — | Archived |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | 2,4-D | — | Archived |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Arsenic | — | Archived |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Barium | — | Archived |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Cadmium | — | Archived |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Chromium | — | Archived |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Mercury | — | Archived |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Nitrate | — | Archived |
| June 24, 1988 – June 23, 1991 | Monitoring, Regular | Selenium | — | Archived |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | 2,4-D | — | Resolved |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Selenium | — | Resolved |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Chromium | — | Resolved |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Cadmium | — | Resolved |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Barium | — | Resolved |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Arsenic | — | Resolved |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Nitrate | — | Resolved |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Mercury | — | Resolved |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Toxaphene | — | Resolved |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Methoxychlor | — | Resolved |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Fluoride | — | Resolved |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| June 24, 1982 – June 23, 1985 | Monitoring, Regular | Endrin | — | Resolved |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- August 26, 2025State Compliance achieved1 linked violation
- August 26, 2025State Public Notification received1 linked violation
- May 28, 2025State Public Notification received1 linked violation
- August 13, 2024State Formal Notice of Violation issued1 linked violation
- August 13, 2024State Public Notification requested1 linked violation
- June 26, 2024State Public Notification requested1 linked violation
- June 26, 2024State Compliance achieved1 linked violation
- June 26, 2024State Formal Notice of Violation issued1 linked violation
- January 16, 2024State Compliance achieved2 linked violations
- January 16, 2024State Public Notification received2 linked violations
- May 11, 2023State Public Notification requested2 linked violations
- May 11, 2023State Formal Notice of Violation issued2 linked violations
- February 8, 2023State Compliance achieved2 linked violations
- February 8, 2023State Violation/Reminder Notice2 linked violations
- June 7, 2022State Compliance achieved1 linked violation
- June 7, 2022State Violation/Reminder Notice1 linked violation
- November 18, 2019State Compliance achieved3 linked violations
- November 18, 2019State Public Notification received3 linked violations
- November 6, 2019State Formal Notice of Violation issued2 linked violations
- November 6, 2019State Public Notification requested2 linked violations
- October 11, 2019State Public Notification requested1 linked violation
- October 9, 2019State Formal Notice of Violation issued1 linked violation
- July 15, 2019State Compliance achieved1 linked violation
- July 15, 2019State Public Notification requested1 linked violation
- July 15, 2019State Formal Notice of Violation issued1 linked violation
- June 21, 2019State Compliance achieved1 linked violation
- April 30, 2019State Public Notification requested1 linked violation
- April 30, 2019State Formal Notice of Violation issued1 linked violation
- December 10, 2018State Compliance achieved1 linked violation
- December 10, 2018State Violation/Reminder Notice1 linked violation
- August 20, 2018State Compliance achieved1 linked violation
- August 15, 2018State Violation/Reminder Notice1 linked violation
- January 11, 2018State Compliance achieved1 linked violation
- January 11, 2018State Violation/Reminder Notice1 linked violation
- October 6, 2017State Compliance achieved1 linked violation
- October 6, 2017State Violation/Reminder Notice1 linked violation
- May 3, 2016State Violation/Reminder Notice1 linked violation
- May 3, 2016State Compliance achieved1 linked violation
- March 8, 2016State Violation/Reminder Notice1 linked violation
- March 8, 2016State Compliance achieved1 linked violation
- January 12, 2016State Public Notification received1 linked violation
- August 25, 2015State Compliance achieved1 linked violation
- August 7, 2015State Public Notification requested1 linked violation
- August 7, 2015State Violation/Reminder Notice1 linked violation
- January 15, 2014State Compliance achieved2 linked violations
- February 28, 2013State Compliance achieved2 linked violations
- February 4, 2013State Bilateral Compliance Agreement signed2 linked violations
- February 4, 2013State Show-Cause hearing2 linked violations
- January 25, 2013State Public Notification received2 linked violations
- January 14, 2013State Bilateral Compliance Agreement signed2 linked violations
- January 14, 2013State Show-Cause hearing2 linked violations
- December 5, 2012State Compliance achieved3 linked violations
- November 29, 2012State Public Notification requested2 linked violations
- November 29, 2012State Formal Notice of Violation issued2 linked violations
- November 19, 2012State Public Notification received2 linked violations
- September 17, 2012State Formal Notice of Violation issued2 linked violations
- September 17, 2012State Public Notification requested5 linked violations
- September 17, 2012State Public Notification requested5 linked violations
- September 17, 2012State Public Notification requested2 linked violations
- September 17, 2012State Formal Notice of Violation issued5 linked violations
- September 17, 2012State Formal Notice of Violation issued5 linked violations
- August 14, 2012State Compliance achieved2 linked violations
- August 6, 2012State Show-Cause hearing4 linked violations
- August 6, 2012State Compliance achieved2 linked violations
- July 16, 2012State Compliance achieved1 linked violation
- June 19, 2012State Public Notification received2 linked violations
- June 19, 2012State Formal Notice of Violation issued1 linked violation
- June 5, 2012State Public Notification requested2 linked violations
- June 5, 2012State Formal Notice of Violation issued3 linked violations
- April 26, 2012State Formal Notice of Violation issued1 linked violation
- August 26, 2010State Compliance achieved2 linked violations
- August 26, 2010State Public Notification received2 linked violations
- April 29, 2010State Public Notification requested2 linked violations
- April 29, 2010State Violation/Reminder Notice2 linked violations
- September 14, 2007State Compliance achieved1 linked violation
- September 14, 2007State Public Notification received1 linked violation
- September 14, 2007State Public Notification requested1 linked violation
- August 28, 2007State Formal Notice of Violation issued1 linked violation
- March 7, 2007State Compliance achieved2 linked violations
- March 7, 2007State Violation/Reminder Notice2 linked violations
- February 16, 2006State Consent Decree/Judgement1 linked violation
- February 16, 2006State Compliance achieved1 linked violation
- August 23, 2005State Violation/Reminder Notice1 linked violation
- August 23, 2005State Compliance achieved1 linked violation
- August 23, 2005State Consent Decree/Judgement1 linked violation
- July 9, 2005State Compliance achieved2 linked violations
- July 9, 2005State Public Notification received2 linked violations
- August 27, 2004State Violation/Reminder Notice2 linked violations
- August 27, 2004State Violation/Reminder Notice2 linked violations
- July 28, 2004State Violation/Reminder Notice3 linked violations
- July 28, 2004State Compliance achieved3 linked violations
- July 28, 2004State Consent Decree/Judgement3 linked violations
- March 30, 2004State Compliance achieved42 linked violations
- March 3, 2004State Formal Notice of Violation issued42 linked violations
- March 3, 2004State Public Notification received42 linked violations
- March 3, 2004State Public Notification requested42 linked violations
- August 19, 1991State Formal Notice of Violation issued2 linked violations
- August 5, 1991State Formal Notice of Violation issued6 linked violations
- May 7, 1991State Formal Notice of Violation issued16 linked violations
- March 2, 1987State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- September 8, 1986State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- October 1, 1985State Compliance achievedgeneral 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 28, 1982State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- July 1, 1982State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- April 19, 1981State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
Contact
OAK KNOLL EST MHP
717-730-4141
MORGONTOWN, PA 19543