MAPLETON DEPOT, PA · Huntingdon County

MAPLETON MUNI WATER AUTH Water System

Current status

3 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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): PA4310015
System type: Community Water System
Population served: 570
Service connections: 244
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2025 – December 31, 2025
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2025 – November 30, 2025
Archived
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
November 1, 2025 – November 30, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2025 – October 31, 2025
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2025 – June 30, 2025
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2025 – March 31, 2025
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2025 – March 31, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2025 – January 31, 2025
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2024 – September 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2024 – September 30, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 11, 2024 – June 25, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 11, 2024 – June 25, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2024 – June 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2024 – June 30, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2024 – March 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2024 – March 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2024 – March 31, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2023 – December 31, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2023 – October 31, 2023
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 11, 2023 – September 21, 2023
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2023 – March 31, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2022 – July 31, 2022
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
November 1, 2021 – November 30, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2021 – November 30, 2021
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2021 – September 2, 2021
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2020 – December 31, 2020
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
December 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
LASSO
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Picloram
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Simazine
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Endothall
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Diquat
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Endrin
January 1, 2020 – December 31, 2020
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2019 – December 11, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2019 – June 30, 2019
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 10, 2018 – May 10, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2018 – August 15, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2018 – August 15, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2018 – August 15, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2018 – August 15, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2018 – August 15, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2018 – August 15, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2018 – August 15, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2018 – August 15, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2018 – August 15, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2018 – August 6, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2018 – August 15, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 11, 2018 – August 15, 2018
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Long Term 2 Enhanced Surface Water Treatment Rule
December 1, 2017 – December 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2017 – December 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Selenium
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Mercury
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2017 – December 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2016 – December 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2016 – December 31, 2016
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 13, 2016 – October 5, 2016
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 13, 2016 – October 5, 2016
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
August 1, 2016 – August 31, 2016
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 2016 – August 31, 2016
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Styrene
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Benzene
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Toluene
January 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2016 – December 31, 2016
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2014 – March 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2014 – March 31, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2013 – September 30, 2013
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 11, 2013
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
July 11, 2013
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
October 11, 2012 – May 22, 2013
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 11, 2012 – May 22, 2013
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 11, 2012
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
April 11, 2012 – June 20, 2012
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 11, 2012 – June 20, 2012
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
Carbofuran
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
OXAMYL
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
July 1, 2011 – September 30, 2011
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2011 – May 12, 2012
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
April 1, 2011 – June 30, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2011 – March 31, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 10, 2010 – February 7, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2010 – June 30, 2010
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2008 – December 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2007 – September 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Radium-228
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Radium-226
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2006 – March 31, 2006
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2005 – September 30, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2005 – September 21, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2005 – September 30, 2005
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2005 – June 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2005 – June 30, 2005
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2005 – February 17, 2005
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2004 – December 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2004 – December 31, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2004 – July 31, 2004
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2004 – October 26, 2004
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
May 1, 2004 – May 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2004 – June 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 2004 – March 31, 2004
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 2004 – February 29, 2004
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Styrene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Toluene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Benzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2003 – November 30, 2003
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2002 – June 30, 2002
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2002 – April 30, 2002
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2002 – March 31, 2002
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2002 – February 28, 2002
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2002 – January 31, 2002
Resolved
Monitoring, Regular
—
Nitrate
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Nitrate
July 1, 1993 – September 30, 1993
Resolved
Monitoring, Regular
—
Nitrate
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – March 31, 1993
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1991 – December 31, 1991
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 1991 – September 30, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 1991 – August 31, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 1991 – July 31, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 1991 – June 30, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 1991 – May 31, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 1991 – April 30, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 1991 – March 31, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 1991 – February 28, 1991
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 1991 – January 31, 1991
Archived
Monitoring, Regular
—
Toluene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
Benzene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
Styrene
January 1, 1990 – March 31, 1990
Archived
Monitoring, Regular
—
Nitrate
June 25, 1984 – June 24, 1985
Archived
Monitoring, Regular
—
Endrin
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
2,4-D
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Endrin
June 24, 1980 – June 23, 1981
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yet

Period	Violation	Contaminant / rule	Health-based	Status
December 30, 2025 – December 31, 2025	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
November 1, 2025 – November 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
November 1, 2025 – November 30, 2025	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Archived
October 1, 2025 – October 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
January 11, 2025 – June 30, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2025 – March 31, 2025	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2025 – March 31, 2025	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2025 – January 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 11, 2024 – June 25, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 11, 2024 – June 25, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
March 1, 2024 – March 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
December 1, 2023 – December 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2023 – October 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
August 11, 2023 – September 21, 2023	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2023 – March 31, 2023	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2022 – July 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
November 1, 2021 – November 30, 2021	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
November 1, 2021 – November 30, 2021	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2021 – September 2, 2021	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
December 1, 2020 – December 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2020 – December 31, 2020	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	LASSO	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Picloram	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Simazine	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Endothall	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Diquat	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Endrin	—	Resolved
October 1, 2019 – December 11, 2019	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
June 1, 2019 – June 30, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 10, 2018 – May 10, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2018 – August 15, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2018 – August 15, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2018 – August 15, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2018 – August 15, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2018 – August 15, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2018 – August 15, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2018 – August 15, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2018 – August 15, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2018 – August 15, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2018 – August 6, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2018 – August 15, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 11, 2018 – August 15, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 1, 2017 – December 31, 2017	Treatment Technique (SWTR and GWR)	Long Term 2 Enhanced Surface Water Treatment Rule	Health-based	Resolved
October 1, 2017 – December 31, 2017	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2017 – December 31, 2017	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Selenium	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Mercury	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Antimony, Total	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
August 13, 2016 – October 5, 2016	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
August 13, 2016 – October 5, 2016	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
August 1, 2016 – August 31, 2016	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
August 1, 2016 – August 31, 2016	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	Styrene	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	Benzene	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	Toluene	—	Resolved
January 1, 2016 – December 31, 2016	Monitoring, Regular	Ethylbenzene	—	Resolved
March 1, 2014 – March 31, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
September 1, 2013 – September 30, 2013	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
October 11, 2012 – May 22, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 11, 2012 – May 22, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 11, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
April 11, 2012 – June 20, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 11, 2012 – June 20, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	Carbofuran	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring, Regular	OXAMYL	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
July 1, 2011 – May 12, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2011 – June 30, 2011	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	OXAMYL	—	Resolved
August 10, 2010 – February 7, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2010 – June 30, 2010	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
March 1, 2010 – March 31, 2010	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Arsenic	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Radium-228	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Radium-226	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
September 1, 2005 – September 30, 2005	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2005 – September 21, 2005	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 1, 2005 – June 30, 2005	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2005 – February 17, 2005	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2004 – December 31, 2004	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2004 – December 31, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2004 – July 31, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2004 – October 26, 2004	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
May 1, 2004 – May 31, 2004	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
March 1, 2004 – March 31, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
February 1, 2004 – February 29, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Styrene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Toluene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Benzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
November 1, 2003 – November 30, 2003	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2002 – June 30, 2002	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 2002 – April 30, 2002	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2002 – March 31, 2002	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2002 – February 28, 2002	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2002 – January 31, 2002	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
July 1, 1993 – September 30, 1993	Monitoring, Regular	Nitrate	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1993 – March 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
December 1, 1991 – December 31, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 1991 – September 30, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 1991 – August 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 1991 – July 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 1, 1991 – June 30, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
May 1, 1991 – May 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 1991 – April 30, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
March 1, 1991 – March 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 1991 – February 28, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 1991 – January 31, 1991	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	Toluene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	Benzene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 1990 – March 31, 1990	Monitoring, Regular	Styrene	—	Archived
June 25, 1984 – June 24, 1985	Monitoring, Regular	Nitrate	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Endrin	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	2,4-D	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Endrin	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yet

Enforcement actions

January 7, 2026State Public Notification requested2 linked violations
January 7, 2026State Formal Notice of Violation issued2 linked violations
December 31, 2025State Compliance achieved1 linked violation
December 10, 2025State Formal Notice of Violation issued1 linked violation
December 10, 2025State Public Notification requested1 linked violation
June 30, 2025State Public Notification received2 linked violations
June 30, 2025State Compliance achieved2 linked violations
June 30, 2025State Violation/Reminder Notice2 linked violations
June 30, 2025State Compliance achieved1 linked violation
June 30, 2025State Public Notification received1 linked violation
June 30, 2025State Violation/Reminder Notice1 linked violation
June 27, 2025State Public Notification received4 linked violations
June 27, 2025State Compliance achieved4 linked violations
June 27, 2025State Violation/Reminder Notice4 linked violations
May 8, 2025State Violation/Reminder Notice1 linked violation
May 8, 2025State Compliance achieved2 linked violations
April 22, 2025State Formal Notice of Violation issued1 linked violation
April 22, 2025State Public Notification requested1 linked violation
March 14, 2025State Public Notification requested1 linked violation
March 14, 2025State Formal Notice of Violation issued1 linked violation
November 12, 2024State Public Notification requested2 linked violations
November 12, 2024State Formal Notice of Violation issued2 linked violations
August 13, 2024State Formal Notice of Violation issued2 linked violations
August 13, 2024State Public Notification requested2 linked violations
June 25, 2024State Compliance achieved6 linked violations
June 25, 2024State Compliance achieved2 linked violations
June 25, 2024State Public Notification received2 linked violations
June 25, 2024State Violation/Reminder Notice2 linked violations
June 25, 2024State Public Notification received6 linked violations
June 25, 2024State Violation/Reminder Notice6 linked violations
May 23, 2024State Violation/Reminder Notice2 linked violations
May 14, 2024State Formal Notice of Violation issued3 linked violations
May 14, 2024State Public Notification requested3 linked violations
January 29, 2024State Public Notification requested1 linked violation
January 29, 2024State Formal Notice of Violation issued1 linked violation
November 27, 2023State Formal Notice of Violation issued1 linked violation
November 27, 2023State Public Notification requested1 linked violation
September 21, 2023State Compliance achieved1 linked violation
September 21, 2023State Public Notification received1 linked violation
April 24, 2023State Public Notification requested2 linked violations
April 24, 2023State Formal Notice of Violation issued2 linked violations
November 4, 2022State Compliance achieved1 linked violation
August 26, 2022State Formal Notice of Violation issued1 linked violation
August 26, 2022State Public Notification requested1 linked violation
August 26, 2022State Public Notification requested1 linked violation
August 26, 2022State Formal Notice of Violation issued1 linked violation
January 10, 2022State Compliance achieved2 linked violations
September 2, 2021State Compliance achieved1 linked violation
February 9, 2021State Compliance achieved2 linked violations
February 3, 2021State Compliance achieved30 linked violations
August 7, 2020State Formal Notice of Violation issued30 linked violations
August 7, 2020State Public Notification requested30 linked violations
August 7, 2020State Public Notification requested30 linked violations
August 7, 2020State Formal Notice of Violation issued30 linked violations
March 3, 2020State Compliance achieved1 linked violation
December 11, 2019State Compliance achieved1 linked violation
November 13, 2019State Violation/Reminder Notice1 linked violation
August 13, 2019State Violation/Reminder Notice1 linked violation
August 13, 2019State Violation/Reminder Notice1 linked violation
May 16, 2019State Compliance achieved2 linked violations
May 16, 2019State Public Notification received2 linked violations
August 15, 2018State Compliance achieved20 linked violations
August 15, 2018State Public Notification received20 linked violations
August 6, 2018State Public Notification received22 linked violations
August 6, 2018State Compliance achieved22 linked violations
May 14, 2018State Public Notification received2 linked violations
May 14, 2018State Compliance achieved2 linked violations
May 14, 2018State Compliance achieved22 linked violations
May 10, 2018State Compliance achieved2 linked violations
March 11, 2018State Public Notification requested22 linked violations
February 14, 2018State Formal Notice of Violation issued2 linked violations
February 14, 2018State Public Notification requested2 linked violations
February 12, 2018State Compliance achieved5 linked violations
December 7, 2017State Compliance achieved1 linked violation
August 7, 2017State Formal Notice of Violation issued2 linked violations
August 7, 2017State Formal Notice of Violation issued2 linked violations
August 7, 2017State Formal Notice of Violation issued2 linked violations
January 30, 2017State Formal Notice of Violation issued22 linked violations
January 30, 2017State Public Notification requested22 linked violations
October 5, 2016State Compliance achieved4 linked violations
October 5, 2016State Public Notification received4 linked violations
October 5, 2016State Boil Water Order4 linked violations
October 5, 2016State Violation/Reminder Notice4 linked violations
December 30, 2014State Compliance achieved2 linked violations
May 14, 2014State Violation/Reminder Notice2 linked violations
November 15, 2013State Violation/Reminder Notice1 linked violation
November 15, 2013State Compliance achieved1 linked violation
September 14, 2013State Public Notification received4 linked violations
May 22, 2013State Public Notification received2 linked violations
May 22, 2013State Compliance achieved2 linked violations
March 9, 2013State Compliance Meeting conducted4 linked violations
March 9, 2013State Public Notification received2 linked violations
March 9, 2013State Compliance achieved4 linked violations
January 10, 2013State Violation/Reminder Notice2 linked violations
June 20, 2012State Compliance achieved8 linked violations
June 20, 2012State Public Notification received8 linked violations
May 12, 2012State Public Notification received1 linked violation
May 12, 2012State Compliance Meeting conducted1 linked violation
May 12, 2012State Formal Notice of Violation issued8 linked violations
May 12, 2012State Compliance achieved2 linked violations
May 12, 2012State Formal Notice of Violation issued2 linked violations
May 12, 2012State Formal Notice of Violation issued4 linked violations
May 12, 2012State Compliance achieved9 linked violations
May 9, 2012State Violation/Reminder Notice2 linked violations
May 9, 2012State Compliance achieved2 linked violations
May 8, 2012State Violation/Reminder Notice4 linked violations
February 7, 2012State Formal Notice of Violation issued1 linked violation
February 7, 2012State Compliance achieved2 linked violations
February 7, 2012State Public Notification received2 linked violations
May 9, 2011State Violation/Reminder Notice4 linked violations
September 6, 2010State Violation/Reminder Notice2 linked violations
September 6, 2010State Violation/Reminder Notice2 linked violations
August 18, 2010State Violation/Reminder Notice2 linked violations
August 18, 2010State Violation/Reminder Notice2 linked violations
May 6, 2010State Public Notification received2 linked violations
May 6, 2010State Compliance achieved2 linked violations
May 6, 2010State Compliance Meeting conducted2 linked violations
March 6, 2009State Compliance achieved1 linked violation
March 6, 2009State Compliance Meeting conducted1 linked violation
October 29, 2007State Compliance achieved2 linked violations
October 29, 2007State Violation/Reminder Notice2 linked violations
August 20, 2007State Violation/Reminder Notice1 linked violation
August 31, 2006State Compliance achieved8 linked violations
May 30, 2006State Violation/Reminder Notice4 linked violations
October 31, 2005State Compliance achieved4 linked violations
October 31, 2005State Compliance Meeting conducted4 linked violations
October 31, 2005State Consent Decree/Judgement4 linked violations
September 21, 2005State Compliance achieved1 linked violation
August 8, 2005State Formal Notice of Violation issued1 linked violation
April 21, 2005State Violation/Reminder Notice24 linked violations
April 21, 2005State Consent Decree/Judgement4 linked violations
April 21, 2005State Compliance achieved24 linked violations
March 2, 2005State Violation/Reminder Notice20 linked violations
February 17, 2005State Consent Decree/Judgement1 linked violation
February 17, 2005State Compliance Meeting conducted1 linked violation
February 17, 2005State Compliance achieved1 linked violation
December 17, 2004State Compliance achieved1 linked violation
December 17, 2004State Consent Decree/Judgement1 linked violation
October 26, 2004State Consent Decree/Judgement1 linked violation
October 26, 2004State Violation/Reminder Notice1 linked violation
October 26, 2004State Compliance achieved1 linked violation
August 24, 2004State Public Notification received1 linked violation
August 24, 2004State Compliance Meeting conducted1 linked violation
August 24, 2004State Compliance achieved2 linked violations
August 16, 2004State Formal Notice of Violation issued1 linked violation
June 16, 2004State Compliance achieved2 linked violations
June 16, 2004State Formal Notice of Violation issued2 linked violations
February 6, 2004State Compliance Meeting conducted1 linked violation
February 6, 2004State Consent Decree/Judgement1 linked violation
February 6, 2004State Compliance achieved1 linked violation
February 18, 1994Federal issued Formal Notice of Violation34 linked violations
October 10, 1991State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
August 31, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
February 26, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
July 12, 1989State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
October 17, 1988State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
August 23, 1988State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 29, 1988State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
March 25, 1988State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
March 1, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
September 4, 1987State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
July 28, 1987Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
March 26, 1987State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 10, 1986State Compliance achievedgeneral compliance action — not tied to a specific violation on record
September 30, 1986State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
April 10, 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
March 19, 1982State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 19, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
December 19, 1981State Unresolvedgeneral compliance action — not tied to a specific violation on record
July 19, 1981State Public Notification requested6 linked violations

Contact

MAPLETON MUNI WATER AUTH

814-599-2600

MAPLETON DEPOT, PA 17052