MARICAO, PR · Maricao Municipio County

INDIERA ALTA 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): PR0003232
System type: Community Water System
Population served: 681
Service connections: 255
Ownership: local government
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – July 4, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – August 10, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2020 – June 30, 2020
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
April 1, 2019 – April 30, 2019
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Endrin
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Routine (IDSE)
—
TTHM
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Diquat
January 1, 2019 – January 31, 2019
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2019 – January 31, 2019
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Simazine
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
LASSO
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2019 – March 31, 2019
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2018 – August 13, 2019
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
June 11, 2018 – December 20, 2018
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
May 1, 2018 – May 31, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2018 – April 30, 2018
Archived
Monitoring, Source Water (LT2)
—
E. COLI
February 1, 2018 – February 28, 2018
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
January 1, 2018 – January 31, 2018
Resolved
Monitoring, Routine (IDSE)
—
TTHM
January 1, 2018 – March 31, 2018
Resolved
Failure to Filter (SWTR)
Health-based
Long Term 2 Enhanced Surface Water Treatment Rule
October 2, 2016 – September 30, 2021
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2016 – December 31, 2018
Resolved
Monitoring, Regular
—
Carbofuran
October 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
OXAMYL
October 1, 2015 – December 31, 2015
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Routine (IDSE)
—
TTHM
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
January 1, 2015 – March 31, 2015
Resolved
Monitoring, Routine (IDSE)
—
TTHM
January 1, 2015 – March 31, 2015
Resolved
Monitoring, Routine (IDSE)
—
TTHM
October 1, 2014 – December 31, 2014
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
October 1, 2014 – December 31, 2014
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – August 20, 2014
Resolved
Monitoring, Regular
—
LASSO
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Picloram
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Simazine
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Endothall
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Diquat
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Regular
—
Endrin
January 1, 2013 – March 31, 2013
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
October 1, 2012 – October 31, 2012
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
July 1, 2012 – December 31, 2018
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2010 – December 31, 2010
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
December 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Xylenes, Total
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
October 1, 2010 – October 31, 2010
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Vinyl chloride
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Styrene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Ethylbenzene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Toluene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Benzene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Tetrachloroethylene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Trichloroethylene
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2010 – December 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2010 – September 30, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2010 – June 30, 2010
Resolved
Monitoring, Regular
—
Endrin
January 1, 2010 – March 31, 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
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2010 – March 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Styrene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Toluene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Benzene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
CHLOROBENZENE
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Vinyl chloride
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Xylenes, Total
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2007 – September 30, 2007
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Xylenes, Total
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Vinyl chloride
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Trichloroethylene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Tetrachloroethylene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Benzene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Toluene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Ethylbenzene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Styrene
October 1, 2006 – December 31, 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
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
Monitoring, Regular
—
BHC-GAMMA
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
Endrin
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
Toxaphene
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
Dalapon
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
Pentachlorophenol
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
2,4,5-TP
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
2,4-D
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
Dinoseb
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
Chlordane
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
Methoxychlor
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
Picloram
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
Heptachlor
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 2005 – September 30, 2005
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
July 1, 2005 – September 30, 2005
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 2005 – February 28, 2005
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Endrin
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Asbestos
January 1, 2005 – December 31, 2005
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Chlordane
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
2,4-D
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
LASSO
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Atrazine
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Carbofuran
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Picloram
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Simazine
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Glyphosate
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Endothall
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Diquat
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Dalapon
January 1, 2005 – March 31, 2005
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2005 – March 31, 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
May 1, 2004 – May 31, 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
February 1, 2004 – February 29, 2004
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 2004 – January 31, 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
April 1, 2003 – April 30, 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
October 1, 2002 – October 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
February 1, 2002 – February 28, 2002
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 2001 – November 30, 2001
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 2001 – October 31, 2001
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 2001 – September 30, 2001
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 2001 – August 31, 2001
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 2001 – July 31, 2001
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 2001 – June 30, 2001
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 2001 – April 30, 2001
Archived
Monitoring, Regular
—
Selenium
January 1, 2001 – December 31, 2001
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 2000 – September 30, 2000
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 2000 – February 29, 2000
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1999 – December 31, 1999
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 1999 – November 30, 1999
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 1999 – October 31, 1999
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 1999 – September 30, 1999
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1999 – August 31, 1999
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
May 1, 1999 – May 31, 1999
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 1999 – April 30, 1999
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 1998 – November 30, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 1998 – September 30, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1998 – August 31, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 1998 – July 31, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 1998 – June 30, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
May 1, 1998 – May 31, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 1998 – April 30, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 1997 – September 30, 1997
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 1996 – November 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
February 1, 1996 – February 29, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 1995 – October 31, 1995
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 1995 – July 31, 1995
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
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
November 1, 1994 – November 30, 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
July 1, 1994 – July 31, 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
December 1, 1993 – December 31, 1993
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 1993 – November 30, 1993
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 4, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2020 – August 10, 2020	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2020 – June 30, 2020	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2019 – April 30, 2019	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Endrin	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Routine (IDSE)	TTHM	—	Resolved
January 1, 2019 – January 31, 2019	Monitoring, Regular	Diquat	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2019 – January 31, 2019	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Simazine	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	LASSO	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
October 1, 2018 – August 13, 2019	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
June 11, 2018 – December 20, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
May 1, 2018 – May 31, 2018	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
April 1, 2018 – April 30, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
February 1, 2018 – February 28, 2018	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2018 – January 31, 2018	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Routine (IDSE)	TTHM	—	Resolved
October 2, 2016 – September 30, 2021	Failure to Filter (SWTR)	Long Term 2 Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2016 – December 31, 2018	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2015 – December 31, 2015	Monitoring, Regular	Carbofuran	—	Resolved
October 1, 2015 – December 31, 2015	Monitoring, Regular	OXAMYL	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring, Routine (IDSE)	TTHM	—	Resolved
January 1, 2015 – March 31, 2015	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2015 – March 31, 2015	Monitoring, Routine (IDSE)	TTHM	—	Resolved
October 1, 2014 – December 31, 2014	Monitoring, Routine (IDSE)	TTHM	—	Resolved
October 1, 2014 – December 31, 2014	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2014 – August 20, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	LASSO	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Picloram	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Simazine	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Endothall	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Diquat	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring, Regular	Endrin	—	Resolved
October 1, 2012 – October 31, 2012	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
July 1, 2012 – December 31, 2018	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
December 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Xylenes, Total	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
October 1, 2010 – October 31, 2010	Monitoring, Source Water (LT2)	Cryptosporidium	—	Archived
October 1, 2010 – December 31, 2010	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Vinyl chloride	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Styrene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Ethylbenzene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Toluene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Benzene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	CHLOROBENZENE	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Tetrachloroethylene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Carbon tetrachloride	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
July 1, 2010 – September 30, 2010	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2010 – June 30, 2010	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Endrin	—	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	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2009 – December 31, 2009	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Styrene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Ethylbenzene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Toluene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Benzene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Vinyl chloride	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Xylenes, Total	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	CYANIDE	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	CHLOROBENZENE	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Xylenes, Total	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Vinyl chloride	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Carbon tetrachloride	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Tetrachloroethylene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Benzene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Toluene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Ethylbenzene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Styrene	—	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
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
July 1, 2005 – September 30, 2005	Monitoring, Regular	BHC-GAMMA	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	Endrin	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	Toxaphene	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	Dalapon	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	Pentachlorophenol	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	2,4,5-TP	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	2,4-D	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	Dinoseb	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	Chlordane	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	Methoxychlor	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	Picloram	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	Heptachlor	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	Heptachlor epoxide	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
February 1, 2005 – February 28, 2005	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	BHC-GAMMA	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Endrin	—	Archived
January 1, 2005 – December 31, 2005	Monitoring, Regular	Asbestos	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Chlordane	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	2,4-D	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Heptachlor epoxide	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	LASSO	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Atrazine	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Carbofuran	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Picloram	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Simazine	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Glyphosate	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Endothall	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Diquat	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Dalapon	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Toxaphene	—	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
May 1, 2004 – May 31, 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
February 1, 2004 – February 29, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
January 1, 2004 – January 31, 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
April 1, 2003 – April 30, 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
October 1, 2002 – October 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
February 1, 2002 – February 28, 2002	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 – October 31, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 2001 – September 30, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 2001 – August 31, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 2001 – July 31, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
June 1, 2001 – June 30, 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
January 1, 2001 – December 31, 2001	Monitoring, Regular	Selenium	—	Archived
September 1, 2000 – September 30, 2000	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
February 1, 2000 – February 29, 2000	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 1999 – December 31, 1999	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 1999 – November 30, 1999	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 1999 – October 31, 1999	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 1999 – September 30, 1999	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 1999 – August 31, 1999	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
May 1, 1999 – May 31, 1999	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 1999 – April 30, 1999	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 1998 – November 30, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 1998 – September 30, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
August 1, 1998 – August 31, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 1998 – July 31, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
June 1, 1998 – June 30, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
May 1, 1998 – May 31, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 1998 – April 30, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 1997 – September 30, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 1996 – November 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
February 1, 1996 – February 29, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 1995 – October 31, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 1995 – July 31, 1995	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
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
November 1, 1994 – November 30, 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
July 1, 1994 – July 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
April 1, 1994 – April 30, 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
November 1, 1993 – November 30, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived

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

Enforcement actions

July 4, 2022State Compliance achieved1 linked violation
September 30, 2021State Compliance achieved1 linked violation
September 30, 2020State Compliance achieved1 linked violation
September 30, 2020State Compliance achieved1 linked violation
September 30, 2020State Compliance achieved1 linked violation
September 30, 2020State Compliance achieved1 linked violation
August 10, 2020State Compliance achieved1 linked violation
August 13, 2019State Compliance achieved1 linked violation
July 10, 2019State Formal Notice of Violation issued1 linked violation
June 30, 2019State Compliance achieved13 linked violations
June 30, 2019State Compliance achieved18 linked violations
June 27, 2019State Formal Notice of Violation issued1 linked violation
May 31, 2019State Compliance achieved1 linked violation
May 6, 2019State Formal Notice of Violation issued1 linked violation
December 31, 2018State Compliance achieved2 linked violations
December 20, 2018State Compliance achieved1 linked violation
December 20, 2018State Compliance achievedgeneral compliance action — not tied to a specific violation on record
December 20, 2018State Compliance achieved1 linked violation
December 20, 2018State Compliance achieved1 linked violation
September 13, 2018State Formal Notice of Violation issued1 linked violation
June 30, 2018State Compliance achieved2 linked violations
June 30, 2018State Compliance achieved2 linked violations
June 28, 2018State Formal Notice of Violation issued1 linked violation
June 25, 2018State Formal Notice of Violation issued3 linked violations
June 13, 2018State Formal Notice of Violation issued2 linked violations
March 31, 2018State Compliance achieved2 linked violations
March 31, 2017State Compliance achieved6 linked violations
March 31, 2016State Compliance achieved2 linked violations
March 9, 2016State Formal Notice of Violation issued2 linked violations
February 19, 2016State Formal Notice of Violation issued1 linked violation
September 30, 2015State Compliance achieved6 linked violations
September 30, 2015State Compliance achieved6 linked violations
September 24, 2015State Civil Case filed in State court1 linked violation
August 13, 2015State Formal Notice of Violation issued2 linked violations
May 13, 2015State Formal Notice of Violation issued2 linked violations
February 9, 2015State Formal Notice of Violation issued2 linked violations
August 20, 2014State Compliance achieved1 linked violation
June 30, 2013State Compliance achieved29 linked violations
May 1, 2013State Compliance achieved1 linked violation
April 23, 2013State Formal Notice of Violation issued29 linked violations
February 6, 2013State Formal Notice of Violation issued1 linked violation
June 30, 2011State Compliance achieved2 linked violations
March 31, 2011State Compliance achieved22 linked violations
December 31, 2010State Compliance achieved3 linked violations
October 26, 2010State Civil Case filed in State court3 linked violations
September 30, 2010State Civil Case filed in State court2 linked violations
June 30, 2010State Compliance achieved9 linked violations
May 3, 2010State Formal Notice of Violation issued10 linked violations
May 3, 2010State Formal Notice of Violation issued10 linked violations
December 31, 2009State Compliance achieved3 linked violations
September 30, 2009State Compliance achieved22 linked violations
June 24, 2008State Civil Case filed in State court1 linked violation
February 26, 2008State Civil Case filed in State court9 linked violations
November 15, 2007State Civil Case filed in State court9 linked violations
May 25, 2007State Consent Decree/Judgement8 linked violations
March 31, 2007State Compliance achieved22 linked violations
November 30, 2006State Compliance achieved9 linked violations
August 22, 2006State Formal Notice of Violation issued47 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 requested2 linked violations
May 19, 2004State Public Notification requested2 linked violations
February 9, 2004State Public Notification requested3 linked violations
November 14, 2003State Public Notification requested2 linked violations
August 14, 2003State Public Notification requested1 linked violation
May 12, 2003State Public Notification requested1 linked violation
August 12, 2002State Public Notification requested1 linked violation
May 13, 2002State Public Notification requested2 linked violations
February 11, 2002State Public Notification requested1 linked violation
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
August 10, 2001State Public Notification requested1 linked violation
June 20, 2001State Public Notification received1 linked violation
February 13, 2001State Public Notification requested9 linked violations
November 13, 2000State Public Notification requested2 linked violations
May 9, 2000State Public Notification requested1 linked violation
February 8, 2000State Public Notification requested3 linked violations
November 12, 1999State Public Notification requested2 linked violations
August 10, 1999State Public Notification requested3 linked violations
February 9, 1999State Public Notification requested3 linked violations
November 10, 1998State Public Notification requested3 linked violations
August 1, 1998State Public Notification received1 linked violation
July 7, 1998State Public Notification received1 linked violation
June 19, 1998State Public Notification received1 linked violation
February 11, 1998State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 21, 1997State Public Notification received1 linked violation
November 6, 1996State Public Notification requested1 linked violation
May 8, 1996State Public Notification requested1 linked violation
February 20, 1996State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
January 12, 1996State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
November 29, 1995State Public Notification received1 linked violation
October 25, 1995State Public Notification received1 linked violation
October 6, 1995State Public Notification received1 linked violation
August 22, 1995State Public Notification received1 linked violation
July 12, 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 requested2 linked violations
November 30, 1994State Formal Notice of Violation issued1 linked violation
November 5, 1994State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
October 28, 1994State Public Notification received3 linked violations
August 19, 1994State Public Notification received2 linked violations
June 3, 1994State Administrative/Compliance Order without penalty issued13 linked violations
January 28, 1994State Public Notification received1 linked violation
November 5, 1993State Public Notification received1 linked violation

Contact

ALTA, INDIERA

Phone not on record

MARICAO, PR 00706