CIALES, PR · Ciales Municipio County

FRONTON 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 Puerto Rico’s official records. Always confirm current status with Puerto Rico before making decisions based on this information.

System facts

System ID (PWSID): PR0003012
System type: Community Water System
Population served: 2,862
Service connections: 1,072
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – July 11, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – August 7, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2019 – May 31, 2019
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2019 – February 28, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2018 – October 31, 2018
Archived
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2018 – August 13, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2018 – September 30, 2018
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2018 – August 31, 2018
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2018 – July 31, 2018
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2018 – June 30, 2018
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 2018 – February 28, 2018
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
LASSO
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Picloram
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Simazine
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Endothall
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Diquat
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
January 1, 2018 – January 31, 2018
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Endrin
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2018 – March 31, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Routine (IDSE)
—
TTHM
April 1, 2016 – June 30, 2016
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2016 – January 24, 2019
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2015 – January 24, 2019
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – August 20, 2014
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2014 – September 30, 2015
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
July 1, 2013 – January 24, 2019
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
July 1, 2012 – January 24, 2019
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
July 1, 2011 – January 24, 2019
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
August 1, 2010 – August 31, 2010
Archived
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
April 1, 2010 – June 30, 2010
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Endrin
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Styrene
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Toluene
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Benzene
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Vinyl chloride
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Xylenes, Total
July 1, 2009 – September 30, 2009
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
April 1, 2009 – January 24, 2019
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
October 1, 2008 – January 1, 2009
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
July 1, 2006 – September 30, 2006
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
May 1, 2006 – May 31, 2006
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
April 1, 2006 – April 30, 2006
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
March 1, 2006 – March 31, 2006
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
February 1, 2006 – February 28, 2006
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
January 1, 2006 – January 31, 2006
Archived
Monitoring, Regular
—
Antimony, Total
January 1, 2006 – December 31, 2006
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
December 1, 2005 – December 31, 2005
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
November 1, 2005 – November 30, 2005
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
October 1, 2005 – October 31, 2005
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 2005 – February 28, 2005
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 2005 – January 31, 2005
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 2004 – December 31, 2004
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 2004 – November 30, 2004
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 2004 – October 31, 2004
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 2004 – August 31, 2004
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 2004 – July 31, 2004
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 2004 – June 30, 2004
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 2004 – April 30, 2004
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 2004 – March 31, 2004
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 2004 – February 29, 2004
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 2003 – December 31, 2003
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 2003 – November 30, 2003
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 2003 – October 31, 2003
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 2003 – August 31, 2003
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 2003 – July 31, 2003
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 2003 – March 31, 2003
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 2003 – February 28, 2003
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 2003 – January 31, 2003
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 2002 – December 31, 2002
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 2002 – November 30, 2002
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 2002 – June 30, 2002
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
May 1, 2002 – May 31, 2002
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 2002 – April 30, 2002
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 2002 – January 31, 2002
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 2001 – December 31, 2001
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 2001 – November 30, 2001
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2001 – December 31, 2001
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 2001 – October 31, 2001
Archived
Monitoring, Regular
—
Xylenes, Total
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Styrene
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Toluene
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Benzene
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2001 – December 31, 2001
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 2001 – September 30, 2001
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
Benzene
July 1, 2001 – September 30, 2001
Resolved
Monitoring, Regular
—
Toluene
July 1, 2001 – September 30, 2001
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 2001 – July 31, 2001
Archived
Monitoring, Regular
—
Ethylbenzene
July 1, 2001 – September 30, 2001
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
May 1, 2001 – May 31, 2001
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 2001 – April 30, 2001
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 2001 – February 28, 2001
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 2001 – January 31, 2001
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 2000 – September 30, 2000
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 2000 – August 31, 2000
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 2000 – July 31, 2000
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 1996 – October 31, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 1996 – September 30, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1996 – August 31, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
May 1, 1995 – May 31, 1995
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 1995 – April 30, 1995
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 1995 – March 31, 1995
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 1995 – February 28, 1995
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1994 – December 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 1994 – October 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 1994 – October 1, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1994 – August 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 1994 – June 30, 1994
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 1994 – April 30, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 1994 – April 30, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 1994 – March 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 1994 – February 28, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Nitrate
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Mercury
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Fluoride
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Chromium
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Barium
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Cadmium
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
September 1, 1980 – September 30, 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
July 1, 2022 – July 11, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2020 – August 7, 2020	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
May 1, 2019 – May 31, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 2019 – February 28, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2018 – October 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
October 1, 2018 – August 13, 2019	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
September 1, 2018 – September 30, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 2018 – August 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 2018 – July 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
June 1, 2018 – June 30, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 2018 – February 28, 2018	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
January 1, 2018 – March 31, 2018	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	LASSO	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Picloram	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Simazine	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Endothall	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Diquat	—	Resolved
January 1, 2018 – January 31, 2018	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Endrin	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Heptachlor epoxide	—	Resolved
October 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Routine (IDSE)	TTHM	—	Resolved
January 1, 2016 – January 24, 2019	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2015 – January 24, 2019	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2014 – August 20, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2014 – September 30, 2015	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2013 – January 24, 2019	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2012 – January 24, 2019	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2011 – January 24, 2019	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
August 1, 2010 – August 31, 2010	Monitoring, Source Water (LT2)	Cryptosporidium	—	Archived
April 1, 2010 – June 30, 2010	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Endrin	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Styrene	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Toluene	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Benzene	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	CHLOROBENZENE	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Vinyl chloride	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Xylenes, Total	—	Resolved
April 1, 2009 – January 24, 2019	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2008 – January 1, 2009	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2006 – September 30, 2006	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
May 1, 2006 – May 31, 2006	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
April 1, 2006 – April 30, 2006	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
March 1, 2006 – March 31, 2006	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
February 1, 2006 – February 28, 2006	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
January 1, 2006 – January 31, 2006	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
January 1, 2006 – December 31, 2006	Monitoring, Regular	Antimony, Total	—	Resolved
December 1, 2005 – December 31, 2005	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
November 1, 2005 – November 30, 2005	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
October 1, 2005 – October 31, 2005	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
February 1, 2005 – February 28, 2005	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
January 1, 2005 – January 31, 2005	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 2004 – December 31, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 2004 – November 30, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 2004 – October 31, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 2004 – August 31, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 2004 – July 31, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
June 1, 2004 – June 30, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 2004 – April 30, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
March 1, 2004 – March 31, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
February 1, 2004 – February 29, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 2003 – December 31, 2003	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 2003 – November 30, 2003	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 2003 – October 31, 2003	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 2003 – August 31, 2003	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 2003 – July 31, 2003	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
March 1, 2003 – March 31, 2003	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
February 1, 2003 – February 28, 2003	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
January 1, 2003 – January 31, 2003	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 2002 – December 31, 2002	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 2002 – November 30, 2002	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
June 1, 2002 – June 30, 2002	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
May 1, 2002 – May 31, 2002	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 2002 – April 30, 2002	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
January 1, 2002 – January 31, 2002	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 2001 – December 31, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 2001 – November 30, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 2001 – December 31, 2001	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 2001 – October 31, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 2001 – December 31, 2001	Monitoring, Regular	Xylenes, Total	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	Styrene	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	Toluene	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	Benzene	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
September 1, 2001 – September 30, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 2001 – September 30, 2001	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	CHLOROBENZENE	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	Benzene	—	Resolved
July 1, 2001 – September 30, 2001	Monitoring, Regular	Toluene	—	Resolved
July 1, 2001 – July 31, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 2001 – September 30, 2001	Monitoring, Regular	Ethylbenzene	—	Resolved
May 1, 2001 – May 31, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 2001 – April 30, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
February 1, 2001 – February 28, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
January 1, 2001 – January 31, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 2000 – September 30, 2000	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 2000 – August 31, 2000	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 2000 – July 31, 2000	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 1996 – October 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 1996 – September 30, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 1996 – August 31, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
May 1, 1995 – May 31, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 1995 – April 30, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
March 1, 1995 – March 31, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
February 1, 1995 – February 28, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 1994 – December 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 1994 – October 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 1994 – October 1, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 1994 – August 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
June 1, 1994 – June 30, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 1994 – April 30, 1994	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
April 1, 1994 – April 30, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
March 1, 1994 – March 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
February 1, 1994 – February 28, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 1993 – December 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Nitrate	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Mercury	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Fluoride	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Chromium	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Barium	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Cadmium	—	Archived
September 1, 1980 – September 30, 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

July 11, 2022State Compliance achieved1 linked violation
August 7, 2020State Compliance achieved1 linked violation
August 31, 2019State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 13, 2019State Compliance achieved1 linked violation
August 1, 2019State Compliance achieved1 linked violation
July 10, 2019State Formal Notice of Violation issued1 linked violation
March 20, 2019State Formal Notice of Violation issued1 linked violation
January 24, 2019State Compliance achieved6 linked violations
December 31, 2018State Compliance achievedgeneral compliance action — not tied to a specific violation on record
December 28, 2018State Formal Notice of Violation issued1 linked violation
October 31, 2018State Formal Notice of Violation issued2 linked violations
September 18, 2018State Formal Notice of Violation issued1 linked violation
September 13, 2018State Formal Notice of Violation issued1 linked violation
June 30, 2018State Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 30, 2018State Compliance achieved29 linked violations
June 25, 2018State Formal Notice of Violation issued1 linked violation
May 10, 2018State Formal Notice of Violation issued1 linked violation
May 4, 2018State Formal Notice of Violation issued29 linked violations
February 28, 2018State Compliance achieved1 linked violation
June 30, 2017State Compliance achieved1 linked violation
January 27, 2017State Civil Case filed in State court1 linked violation
November 3, 2016State Formal Notice of Violation issued2 linked violations
September 30, 2016State Compliance achieved2 linked violations
February 19, 2016State Formal Notice of Violation issued1 linked violation
September 30, 2015State Compliance achieved1 linked violation
March 31, 2015State Formal Notice of Violation issued1 linked violation
December 31, 2014State Compliance achieved1 linked violation
December 31, 2014State Compliance achieved1 linked violation
August 20, 2014State Compliance achieved1 linked violation
March 17, 2014State Formal Notice of Violation issued1 linked violation
February 6, 2013State Formal Notice of Violation issued1 linked violation
December 11, 2011State Formal Notice of Violation issued1 linked violation
December 11, 2011State Formal Notice of Violation issued1 linked violation
June 30, 2011State Compliance achieved1 linked violation
June 13, 2011State Formal Notice of Violation issued1 linked violation
June 30, 2010State Compliance achieved9 linked violations
May 3, 2010State Formal Notice of Violation issued9 linked violations
December 31, 2009State Compliance achieved22 linked violations
August 25, 2009State Formal Notice of Violation issued1 linked violation
August 25, 2009State Formal Notice of Violation issued2 linked violations
January 1, 2009State Compliance achieved1 linked violation
June 24, 2008State Civil Case filed in State court1 linked violation
February 26, 2008State Civil Case filed in State court8 linked violations
November 15, 2007State Civil Case filed in State court8 linked violations
September 30, 2007State Compliance achieved1 linked violation
May 25, 2007State Consent Decree/Judgement8 linked violations
November 30, 2006State Compliance achieved8 linked violations
August 15, 2006State Public Notification requested2 linked violations
November 14, 2005State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 12, 2005State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 4, 2004State Public Notification requested2 linked violations
August 12, 2004State Public Notification requested3 linked violations
May 19, 2004State Public Notification requested3 linked violations
February 9, 2004State Public Notification requested3 linked violations
November 14, 2003State Public Notification requested3 linked violations
August 14, 2003State Public Notification requested3 linked violations
May 12, 2003State Public Notification requested3 linked violations
August 12, 2002State Public Notification requested3 linked violations
May 13, 2002State Public Notification requested3 linked violations
February 11, 2002State Public Notification requested2 linked violations
December 18, 2001State Public Notification received1 linked violation
November 13, 2001State Public Notification received1 linked violation
October 4, 2001State Public Notification received1 linked violation
September 14, 2001State Public Notification received1 linked violation
July 19, 2001State Public Notification received1 linked violation
June 20, 2001State Public Notification received1 linked violation
November 13, 2000State Public Notification requested3 linked violations
October 21, 1997State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
September 24, 1997State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
November 6, 1996State Public Notification requested2 linked violations
July 12, 1995State Public Notification received1 linked violation
May 24, 1995State Public Notification received1 linked violation
April 28, 1995State Public Notification received1 linked violation
March 28, 1995State Public Notification received1 linked violation
February 7, 1995State Public Notification requested1 linked violation
November 30, 1994State Formal Notice of Violation issued1 linked violation
June 29, 1994State Public Notification received1 linked violation
May 30, 1994State Public Notification received1 linked violation
April 20, 1994State Public Notification requested1 linked violation
January 29, 1994State Public Notification received1 linked violation
January 28, 1994State Public Notification received1 linked violation
December 9, 1993State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
November 5, 1993State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
September 22, 1993State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
August 19, 1993State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
June 28, 1993State Public Notification received1 linked violation
May 18, 1993State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
January 22, 1993State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 20, 1992State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
November 20, 1992State Public Notification received1 linked violation
July 16, 1992State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
June 24, 1992State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
June 18, 1992State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
May 1, 1992State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
February 26, 1992State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
January 17, 1992State Public Notification received2 linked violations
October 21, 1991State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

Contact

FRONTON

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