CIALES, PR · Ciales Municipio County

CIALES URBANO 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): PR0002752
System type: Community Water System
Population served: 4,563
Service connections: 1,709
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, 2020 – August 7, 2020
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
April 1, 2019 – April 30, 2019
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
April 1, 2019 – April 30, 2019
Resolved
Monitoring, Source Water (LT2)
—
Turbidity
April 1, 2019 – April 30, 2019
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2018 – August 13, 2019
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
April 1, 2018 – February 28, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2018 – June 30, 2018
Resolved
Monitoring, Source Water (LT2)
—
Turbidity
April 1, 2018 – February 28, 2018
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
April 1, 2018 – February 28, 2018
Resolved
Monitoring, Routine (IDSE)
—
TTHM
January 1, 2018 – March 31, 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, Source Water (LT2)
—
Cryptosporidium
January 1, 2018 – January 31, 2018
Resolved
Monitoring, Source Water (LT2)
—
Turbidity
January 1, 2018 – January 31, 2018
Resolved
Monitoring, Source Water (LT2)
—
Turbidity
July 1, 2017 – July 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
July 1, 2017 – July 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
July 1, 2017 – July 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
May 1, 2017 – May 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
Turbidity
May 1, 2017 – May 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
May 1, 2017 – May 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
February 1, 2017 – February 28, 2017
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
February 1, 2017 – February 28, 2017
Resolved
Monitoring, Source Water (LT2)
—
Turbidity
February 1, 2017 – February 28, 2017
Resolved
Monitoring, Source Water (LT2)
—
Turbidity
January 1, 2017 – January 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
January 1, 2017 – January 31, 2017
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
January 1, 2017 – January 31, 2017
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)
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Routine (IDSE)
—
TTHM
July 1, 2016 – September 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2016 – September 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2016 – September 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2016 – June 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Routine (IDSE)
—
TTHM
January 1, 2016 – March 31, 2016
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2016 – December 31, 2018
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
October 1, 2015 – December 31, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2015 – December 31, 2015
Resolved
Monitoring, Routine (IDSE)
—
TTHM
October 1, 2015 – December 31, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2015 – September 30, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2015 – June 30, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – August 20, 2014
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Routine (IDSE)
—
TTHM
July 1, 2014 – September 30, 2014
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)
November 1, 2010 – November 30, 2010
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2010 – July 31, 2010
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 2010 – January 31, 2010
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
December 1, 2009 – December 31, 2009
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
November 1, 2009 – November 30, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2008 – November 30, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2008 – October 31, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2007 – October 31, 2007
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Xylenes, Total
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Vinyl chloride
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
CHLOROBENZENE
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Benzene
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Toluene
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Styrene
April 1, 2006 – June 30, 2006
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
March 1, 2006 – March 31, 2006
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
January 1, 2006 – January 31, 2006
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 2006 – January 31, 2006
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
October 1, 2005 – October 31, 2005
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
September 1, 2005 – September 30, 2005
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
August 1, 2005 – August 31, 2005
Archived
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2005 – January 31, 2005
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
December 1, 2004 – December 31, 2004
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
November 1, 2004 – November 30, 2004
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
October 1, 2004 – October 31, 2004
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
August 1, 2004 – August 31, 2004
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
May 1, 2004 – May 31, 2004
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
April 1, 2003 – April 30, 2003
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
May 1, 2002 – May 31, 2002
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
April 1, 2002 – April 30, 2002
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
March 1, 2002 – March 31, 2002
Archived
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
January 1, 2002 – January 31, 2002
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2001 – September 30, 2001
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2001 – August 31, 2001
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2000 – August 31, 2000
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2000 – July 31, 2000
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
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 1999 – July 31, 1999
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 1998 – September 30, 1998
Archived
Monitoring, Regular
—
Xylenes, Total
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
Styrene
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
Toluene
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
Benzene
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
Vinyl chloride
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1998 – March 31, 1998
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1998 – March 31, 1998
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
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
May 1, 1994 – May 31, 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
January 1, 1994 – January 31, 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
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1992 – July 1, 1993
Resolved
Monitoring, Regular
—
Arsenic
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Barium
September 30, 1983 – September 29, 1984
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
—
Cadmium
September 30, 1983 – September 29, 1984
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, 2020 – August 7, 2020	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2019 – April 30, 2019	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
April 1, 2019 – April 30, 2019	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
April 1, 2019 – April 30, 2019	Monitoring, Source Water (LT2)	Turbidity	—	Resolved
October 1, 2018 – August 13, 2019	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
April 1, 2018 – February 28, 2018	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
April 1, 2018 – June 30, 2018	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2018 – February 28, 2018	Monitoring, Source Water (LT2)	Turbidity	—	Resolved
April 1, 2018 – February 28, 2018	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Routine (IDSE)	TTHM	—	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 – January 31, 2018	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
January 1, 2018 – January 31, 2018	Monitoring, Source Water (LT2)	Turbidity	—	Resolved
July 1, 2017 – July 31, 2017	Monitoring, Source Water (LT2)	Turbidity	—	Resolved
July 1, 2017 – July 31, 2017	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
July 1, 2017 – July 31, 2017	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
May 1, 2017 – May 31, 2017	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
May 1, 2017 – May 31, 2017	Monitoring, Source Water (LT2)	Turbidity	—	Resolved
May 1, 2017 – May 31, 2017	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
February 1, 2017 – February 28, 2017	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
February 1, 2017 – February 28, 2017	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
February 1, 2017 – February 28, 2017	Monitoring, Source Water (LT2)	Turbidity	—	Resolved
January 1, 2017 – January 31, 2017	Monitoring, Source Water (LT2)	Turbidity	—	Resolved
January 1, 2017 – January 31, 2017	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
January 1, 2017 – January 31, 2017	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
October 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring, Routine (IDSE)	TTHM	—	Resolved
July 1, 2016 – September 30, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2016 – September 30, 2016	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2016 – June 30, 2016	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Routine (IDSE)	TTHM	—	Resolved
January 1, 2016 – December 31, 2018	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2015 – December 31, 2015	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2015 – December 31, 2015	Monitoring, Routine (IDSE)	TTHM	—	Resolved
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2014 – August 20, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Routine (IDSE)	TTHM	—	Resolved
July 1, 2012 – December 31, 2018	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
November 1, 2010 – November 30, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
July 1, 2010 – July 31, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2010 – January 31, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 2009 – December 31, 2009	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
November 1, 2009 – November 30, 2009	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
November 1, 2008 – November 30, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2008 – October 31, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2007 – October 31, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Xylenes, Total	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Vinyl chloride	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Benzene	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Toluene	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Ethylbenzene	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Styrene	—	Resolved
March 1, 2006 – March 31, 2006	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2006 – January 31, 2006	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2006 – January 31, 2006	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2005 – October 31, 2005	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
September 1, 2005 – September 30, 2005	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
August 1, 2005 – August 31, 2005	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
January 1, 2005 – January 31, 2005	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
December 1, 2004 – December 31, 2004	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
November 1, 2004 – November 30, 2004	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
October 1, 2004 – October 31, 2004	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
August 1, 2004 – August 31, 2004	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
May 1, 2004 – May 31, 2004	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
April 1, 2003 – April 30, 2003	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
May 1, 2002 – May 31, 2002	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
April 1, 2002 – April 30, 2002	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
March 1, 2002 – March 31, 2002	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
January 1, 2002 – January 31, 2002	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
September 1, 2001 – September 30, 2001	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 2001 – August 31, 2001	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
August 1, 2000 – August 31, 2000	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Archived
July 1, 2000 – July 31, 2000	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	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
July 1, 1999 – July 31, 1999	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
September 1, 1998 – September 30, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	Xylenes, Total	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	Styrene	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	Toluene	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	Benzene	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	Vinyl chloride	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 1998 – March 31, 1998	Monitoring, Regular	1,2,4-Trichlorobenzene	—	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
May 1, 1994 – May 31, 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
January 1, 1994 – January 31, 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
July 1, 1992 – July 1, 1993	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
September 30, 1983 – September 29, 1984	Monitoring, Regular	Arsenic	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Barium	—	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	Cadmium	—	Archived

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

Enforcement actions

August 7, 2020State Compliance achieved1 linked violation
August 13, 2019State Compliance achieved1 linked violation
July 10, 2019State Formal Notice of Violation issued1 linked violation
May 31, 2019State Compliance achieved17 linked violations
December 31, 2018State Compliance achieved2 linked violations
September 30, 2018State Compliance achieved1 linked violation
August 13, 2018State Formal Notice of Violation issued8 linked violations
June 30, 2018State Compliance achieved2 linked violations
February 28, 2018State Compliance achieved6 linked violations
October 31, 2017State Formal Notice of Violation issued3 linked violations
August 31, 2017State Compliance achieved12 linked violations
July 6, 2017State Formal Notice of Violation issued3 linked violations
May 15, 2017State Formal Notice of Violation issued6 linked violations
March 31, 2017State Compliance achieved1 linked violation
March 31, 2017State Compliance achieved7 linked violations
January 18, 2017State Formal Notice of Violation issued2 linked violations
December 31, 2016State Compliance achieved1 linked violation
December 31, 2016State Compliance achieved4 linked violations
June 30, 2016State Compliance achieved4 linked violations
February 19, 2016State Formal Notice of Violation issued1 linked violation
August 3, 2015State Civil Case filed in State court3 linked violations
August 3, 2015State Civil Case filed in State court2 linked violations
December 31, 2014State Compliance achieved2 linked violations
October 29, 2014State Formal Notice of Violation issued4 linked violations
February 6, 2013State Formal Notice of Violation issued1 linked violation
July 31, 2010State Compliance achieved7 linked violations
January 29, 2010State Compliance achieved2 linked violations
May 31, 2009State Compliance achieved4 linked violations
April 30, 2008State Compliance achieved5 linked violations
September 30, 2007State Compliance achieved24 linked violations
October 31, 2006State Compliance achieved7 linked violations
August 14, 2006State Violation/Reminder Notice1 linked violation
November 14, 2005State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 4, 2004State Public Notification requested1 linked violation
August 12, 2004State Public Notification requested1 linked violation
August 12, 2002State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
May 13, 2002State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 13, 2001State Public Notification received1 linked violation
October 4, 2001State Public Notification received2 linked violations
September 14, 2001State Public Notification received2 linked violations
August 10, 2001State Public Notification requested1 linked violation
July 19, 2001State Public Notification received1 linked violation
June 20, 2001State Public Notification received1 linked violation
February 8, 2000State Public Notification requested1 linked violation
November 12, 1999State Public Notification requested3 linked violations
April 28, 1999State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
February 22, 1999State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
November 10, 1998State Public Notification requested1 linked violation
April 30, 1998State Formal Notice of Violation issued21 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
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 requested2 linked violations
November 30, 1994State Formal Notice of Violation issued1 linked violation
November 5, 1994State Public Notification received2 linked violations
October 28, 1994State Public Notification received1 linked violation
August 19, 1994State Public Notification received1 linked violation
June 29, 1994State Public Notification received1 linked violation
May 30, 1994State Public Notification received1 linked violation
March 4, 1994State Administrative/Compliance Order without penalty issued1 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 received1 linked violation
November 2, 1993State Violation/Reminder Notice1 linked violation
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

Contact

CIALES URBANO

787-620-2277

CIALES, PR 00638