DANVILLE, PA · Montour County

DANVILLE MUNICIPAL WATER AUTH Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Pennsylvania’s official records. Always confirm current status with Pennsylvania before making decisions based on this information.

System facts

System ID (PWSID): PA4470007
System type: Community Water System
Population served: 4,992
Service connections: 2,272
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring and Reporting (DBP)
—
TTHM
October 1, 2025 – December 31, 2025
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 11, 2024 – December 10, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
September 11, 2024 – October 24, 2024
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2024 – September 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2024 – June 30, 2024
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2023 – September 30, 2023
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2023 – August 31, 2023
Archived
Monitoring, Regular
—
Atrazine
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Picloram
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Simazine
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Endothall
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Diquat
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2023 – December 31, 2023
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2022 – October 31, 2022
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2022 – October 31, 2022
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2022 – January 31, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
December 18, 2021 – May 9, 2022
Resolved
Notify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR)
—
Revised Total Coliform Rule
November 7, 2021 – April 1, 2022
Resolved
Treatment Technique, Level 1 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
November 7, 2021 – April 1, 2022
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Styrene
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Ethylbenzene
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Benzene
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Trichloroethylene
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Xylenes, Total
October 1, 2021 – December 31, 2021
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2021 – May 9, 2022
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2021 – August 31, 2021
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2021 – May 9, 2022
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Chromium
January 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Barium
January 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Nickel
January 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Mercury
January 1, 2021 – December 31, 2021
Resolved
Monitoring, Regular
—
Selenium
January 1, 2021 – December 31, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 17, 2020 – November 20, 2020
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2020 – December 31, 2020
Resolved
Treatment Technique, Level 1 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
September 6, 2020 – November 20, 2020
Resolved
Notify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR)
—
Revised Total Coliform Rule
September 6, 2020 – November 20, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2020 – July 31, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2020 – January 31, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2019 – November 30, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2019 – September 30, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2019 – March 31, 2019
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2019 – February 28, 2019
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Styrene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Toluene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Benzene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
October 1, 2017 – December 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2016 – September 30, 2016
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2016 – June 30, 2016
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2016 – June 30, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2016 – June 30, 2016
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2015 – December 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2015 – December 31, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2010 – April 30, 2010
Resolved
Monitoring, Regular
—
Picloram
January 1, 2010 – November 23, 2010
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2009 – December 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2009 – December 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2009 – January 31, 2009
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2009 – January 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2009 – March 12, 2009
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2008 – February 29, 2008
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2008 – February 29, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2008 – March 27, 2008
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2007 – December 31, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2007 – November 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2007 – December 31, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2007 – August 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2007 – September 30, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2007 – July 31, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2005 – January 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2005 – March 25, 2005
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
LASSO
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Picloram
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Endothall
January 1, 2004 – December 31, 2004
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 1998 – June 30, 1998
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 1997 – December 31, 1997
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 1995 – January 31, 1995
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 1994 – October 31, 1994
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 1991 – March 31, 1991
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
August 1, 1976 – July 31, 1980
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2025 – December 31, 2025	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 11, 2024 – December 10, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
September 11, 2024 – October 24, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2024 – June 30, 2024	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Archived
September 1, 2023 – September 30, 2023	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
August 1, 2023 – August 31, 2023	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
January 1, 2023 – December 31, 2023	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	Picloram	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	Simazine	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	Endothall	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	Diquat	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
October 1, 2022 – October 31, 2022	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2022 – October 31, 2022	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2022 – January 31, 2022	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
December 18, 2021 – May 9, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
November 7, 2021 – April 1, 2022	Notify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR)	Revised Total Coliform Rule	—	Resolved
November 7, 2021 – April 1, 2022	Treatment Technique, Level 1 Assessment (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	Styrene	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	Ethylbenzene	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	Benzene	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	CHLOROBENZENE	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring, Regular	Xylenes, Total	—	Resolved
October 1, 2021 – May 9, 2022	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
August 1, 2021 – August 31, 2021	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2021 – May 9, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
March 1, 2021 – March 31, 2021	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Chromium	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Barium	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Nickel	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Mercury	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Selenium	—	Resolved
October 17, 2020 – November 20, 2020	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Combined Uranium	—	Resolved
September 6, 2020 – November 20, 2020	Treatment Technique, Level 1 Assessment (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
September 6, 2020 – November 20, 2020	Notify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2020 – July 31, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2020 – January 31, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2019 – November 30, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2019 – September 30, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2019 – March 31, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2019 – February 28, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Styrene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Toluene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Benzene	—	Resolved
October 1, 2017 – December 31, 2017	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
June 1, 2016 – June 30, 2016	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2016 – June 30, 2016	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2015 – December 31, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2015 – December 31, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2010 – April 30, 2010	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2010 – November 23, 2010	Monitoring, Regular	Picloram	—	Resolved
December 1, 2009 – December 31, 2009	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2009 – December 31, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 2009 – January 31, 2009	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2009 – January 31, 2009	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2009 – March 12, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
February 1, 2008 – February 29, 2008	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2008 – February 29, 2008	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2008 – March 27, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
December 1, 2007 – December 31, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2007 – November 30, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
August 1, 2007 – August 31, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2007 – July 31, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2005 – January 31, 2005	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2005 – March 25, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	LASSO	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Picloram	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Endothall	—	Resolved
June 1, 1998 – June 30, 1998	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 1997 – December 31, 1997	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 1995 – January 31, 1995	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 1994 – October 31, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 1991 – March 31, 1991	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 1976 – July 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

March 19, 2026State Compliance achieved1 linked violation
March 19, 2026State Public Notification received1 linked violation
February 11, 2026State Public Notification requested1 linked violation
February 11, 2026State Formal Notice of Violation issued1 linked violation
August 28, 2025State Compliance achieved1 linked violation
May 7, 2025State Compliance achieved15 linked violations
December 10, 2024State Compliance achieved1 linked violation
November 18, 2024State Compliance achieved1 linked violation
November 18, 2024State Public Notification received1 linked violation
November 12, 2024State Public Notification requested1 linked violation
November 12, 2024State Formal Notice of Violation issued1 linked violation
October 24, 2024State Compliance achieved1 linked violation
August 15, 2024State Public Notification requested1 linked violation
August 15, 2024State Formal Notice of Violation issued1 linked violation
November 8, 2023State Formal Notice of Violation issued16 linked violations
November 8, 2023State Public Notification requested1 linked violation
October 10, 2023State Public Notification requested1 linked violation
October 10, 2023State Formal Notice of Violation issued1 linked violation
February 1, 2023State Compliance achieved3 linked violations
December 22, 2022State Violation/Reminder Notice1 linked violation
December 12, 2022State Public Notification requested2 linked violations
December 12, 2022State Formal Notice of Violation issued2 linked violations
May 9, 2022State Compliance achieved34 linked violations
May 9, 2022State Public Notification received1 linked violation
May 9, 2022State Public Notification received32 linked violations
May 9, 2022State Compliance achieved2 linked violations
April 1, 2022State Compliance achieved2 linked violations
April 1, 2022State Public Notification received2 linked violations
March 30, 2022State Compliance achieved2 linked violations
March 30, 2022State Compliance achieved1 linked violation
March 14, 2022State Public Notification requested1 linked violation
March 14, 2022State Violation/Reminder Notice37 linked violations
March 14, 2022State Violation/Reminder Notice4 linked violations
March 14, 2022State Formal Notice of Violation issued2 linked violations
March 14, 2022State Public Notification requested33 linked violations
November 20, 2020State Violation/Reminder Notice3 linked violations
November 20, 2020State Compliance achieved3 linked violations
November 20, 2020State Public Notification received3 linked violations
November 20, 2020State Public Notification requested3 linked violations
October 13, 2020State Compliance achieved1 linked violation
September 25, 2020State Violation/Reminder Notice1 linked violation
September 25, 2020State Violation/Reminder Notice1 linked violation
April 22, 2020State Compliance achieved1 linked violation
April 9, 2020State Violation/Reminder Notice1 linked violation
December 27, 2019State Compliance achieved1 linked violation
December 27, 2019State Compliance achieved1 linked violation
December 27, 2019State Violation/Reminder Notice1 linked violation
December 27, 2019State Violation/Reminder Notice1 linked violation
December 16, 2019State Violation/Reminder Notice1 linked violation
December 16, 2019State Compliance achieved1 linked violation
May 14, 2019State Compliance achieved1 linked violation
May 14, 2019State Violation/Reminder Notice1 linked violation
May 8, 2019State Public Notification requested20 linked violations
May 8, 2019State Public Notification received20 linked violations
May 8, 2019State Violation/Reminder Notice20 linked violations
May 8, 2019State Compliance achieved20 linked violations
April 18, 2019State Compliance achieved1 linked violation
April 18, 2019State Violation/Reminder Notice1 linked violation
May 4, 2018State Compliance achieved1 linked violation
May 4, 2018State Violation/Reminder Notice1 linked violation
February 26, 2018State Public Notification requested1 linked violation
February 26, 2018State Compliance achieved1 linked violation
February 26, 2018State Public Notification received1 linked violation
February 26, 2018State Violation/Reminder Notice1 linked violation
November 10, 2016State Violation/Reminder Notice1 linked violation
November 10, 2016State Compliance achieved1 linked violation
November 10, 2016State Public Notification received1 linked violation
November 10, 2016State Public Notification requested1 linked violation
July 29, 2016State Violation/Reminder Notice3 linked violations
July 29, 2016State Compliance achieved3 linked violations
April 15, 2016State Compliance achieved2 linked violations
April 15, 2016State Violation/Reminder Notice2 linked violations
November 23, 2010State Compliance achieved1 linked violation
November 10, 2010State Violation/Reminder Notice1 linked violation
June 23, 2010State Compliance achieved1 linked violation
February 3, 2010State Compliance achieved3 linked violations
December 15, 2009State Compliance achieved1 linked violation
November 23, 2009State Violation/Reminder Notice1 linked violation
March 12, 2009State Compliance achieved3 linked violations
March 27, 2008State Compliance achieved3 linked violations
January 31, 2008State Compliance achieved2 linked violations
December 24, 2007State Compliance achieved1 linked violation
December 24, 2007State Violation/Reminder Notice1 linked violation
November 19, 2007State Compliance achieved3 linked violations
November 19, 2007State Violation/Reminder Notice3 linked violations
May 27, 2005State Compliance achieved14 linked violations
May 27, 2005State Public Notification received14 linked violations
March 25, 2005State Consent Decree/Judgement2 linked violations
March 25, 2005State Violation/Reminder Notice2 linked violations
March 25, 2005State Compliance achieved2 linked violations
February 16, 2005State Public Notification requested14 linked violations
September 30, 1982Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
November 19, 1980State Public Notification receivedgeneral compliance action — not tied to a specific violation on record

Contact

DANVILLE MUNICIPAL WATER AUTH

570-275-1070

DANVILLE, PA 17821