Public Water Partners

CIALES, PR · Ciales Municipio County

FRONTON Water System

Consumer Confidence Report status

FRONTON must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for FRONTON.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Puerto Rico’s official records. Always confirm current status with Puerto Rico before making decisions based on this information.

System facts

System ID (PWSID)
PR0003012
System type
Community Water System
Population served
2,830
Service connections
1,060
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

FRONTON is one of 231 community water systems in Puerto Rico in the 501 to 3,300 people size category, serving 2,830 people from surface water.

As of August 1, 2026, its federal record holds 166 entries between 1983 and 2022, all of which EPA lists as closed. Nothing has been added since 2022.

Of the 166, 100 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Surface Water Treatment Rules, synthetic organic chemicals, and volatile organic chemicals.

Violation history

  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2022 – July 11, 2022

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2020 – August 7, 2020

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    May 1, 2019 – May 31, 2019

    Archived
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    February 1, 2019 – February 28, 2019

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    October 1, 2018 – October 31, 2018

    Archived
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2018 – August 13, 2019

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    September 1, 2018 – September 30, 2018

    Archived
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    August 1, 2018 – August 31, 2018

    Archived
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    July 1, 2018 – July 31, 2018

    Archived
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    June 1, 2018 – June 30, 2018

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    February 1, 2018 – February 28, 2018

    Archived
  • Monitoring, Regular

    LASSO

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring, Source Water (LT2)

    E. COLI

    January 1, 2018 – January 31, 2018

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2016 – December 31, 2016

    Resolved
  • Monitoring, Routine (IDSE)

    Total Haloacetic Acids (HAA5)

    April 1, 2016 – June 30, 2016

    Resolved
  • Monitoring, Routine (IDSE)

    TTHM

    April 1, 2016 – June 30, 2016

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    January 1, 2016 – January 24, 2019

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    January 1, 2015 – January 24, 2019

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2014 – August 20, 2014

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 2014 – September 30, 2015

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    July 1, 2013 – January 24, 2019

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    July 1, 2012 – January 24, 2019

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    July 1, 2011 – January 24, 2019

    Resolved
  • Monitoring, Source Water (LT2)

    Cryptosporidium

    August 1, 2010 – August 31, 2010

    Archived
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    April 1, 2010 – June 30, 2010

    Resolved
  • Monitoring, Regular

    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
  • Monitoring, Regular

    Styrene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Benzene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Toluene

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    July 1, 2009 – September 30, 2009

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    April 1, 2009 – January 24, 2019

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    October 1, 2008 – January 1, 2009

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    July 1, 2006 – September 30, 2006

    Resolved
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    May 1, 2006 – May 31, 2006

    Archived
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    April 1, 2006 – April 30, 2006

    Archived
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    March 1, 2006 – March 31, 2006

    Archived
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    February 1, 2006 – February 28, 2006

    Archived
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    January 1, 2006 – January 31, 2006

    Archived
  • Monitoring, Regular

    Antimony, Total

    January 1, 2006 – December 31, 2006

    Resolved
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    December 1, 2005 – December 31, 2005

    Archived
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    November 1, 2005 – November 30, 2005

    Archived
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    October 1, 2005 – October 31, 2005

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    February 1, 2005 – February 28, 2005

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    January 1, 2005 – January 31, 2005

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    December 1, 2004 – December 31, 2004

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    November 1, 2004 – November 30, 2004

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    October 1, 2004 – October 31, 2004

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    August 1, 2004 – August 31, 2004

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    July 1, 2004 – July 31, 2004

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    May 1, 2004 – May 31, 2004

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    March 1, 2004 – March 31, 2004

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    February 1, 2004 – February 29, 2004

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    December 1, 2003 – December 31, 2003

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    November 1, 2003 – November 30, 2003

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    October 1, 2003 – October 31, 2003

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    August 1, 2003 – August 31, 2003

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    July 1, 2003 – July 31, 2003

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    March 1, 2003 – March 31, 2003

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    February 1, 2003 – February 28, 2003

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    January 1, 2003 – January 31, 2003

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    December 1, 2002 – December 31, 2002

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    November 1, 2002 – November 30, 2002

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    June 1, 2002 – June 30, 2002

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    March 1, 2002 – March 31, 2002

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    December 1, 2001 – December 31, 2001

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    November 1, 2001 – November 30, 2001

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    October 1, 2001 – October 31, 2001

    Archived
  • Monitoring, Regular

    Styrene

    October 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Benzene

    October 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    October 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    October 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    October 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    October 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    October 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    October 1, 2001 – December 31, 2001

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    August 1, 2001 – August 31, 2001

    Archived
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    July 1, 2001 – September 30, 2001

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    July 1, 2001 – September 30, 2001

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    July 1, 2001 – September 30, 2001

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    July 1, 2001 – July 31, 2001

    Archived
  • Monitoring, Regular

    CHLOROBENZENE

    July 1, 2001 – September 30, 2001

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    July 1, 2001 – September 30, 2001

    Resolved
  • Monitoring, Regular

    Benzene

    July 1, 2001 – September 30, 2001

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    May 1, 2001 – May 31, 2001

    Archived
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    April 1, 2001 – June 30, 2001

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    April 1, 2001 – April 30, 2001

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    September 1, 2000 – September 30, 2000

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    August 1, 2000 – August 31, 2000

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    July 1, 2000 – July 31, 2000

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    October 1, 1996 – October 31, 1996

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    September 1, 1996 – September 30, 1996

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    August 1, 1996 – August 31, 1996

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    May 1, 1995 – May 31, 1995

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    April 1, 1995 – April 30, 1995

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    March 1, 1995 – March 31, 1995

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    February 1, 1995 – February 28, 1995

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    December 1, 1994 – December 31, 1994

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    October 1, 1994 – October 31, 1994

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    September 1, 1994 – October 1, 1994

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    August 1, 1994 – August 31, 1994

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    July 1, 1994 – July 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

    April 1, 1994 – April 30, 1994

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    March 1, 1994 – March 31, 1994

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    February 1, 1994 – February 28, 1994

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    December 1, 1993 – December 31, 1993

    Archived
  • Monitoring, Regular

    Barium

    September 30, 1983 – September 29, 1984

    Archived
  • Monitoring, Regular

    Chromium

    September 30, 1983 – September 29, 1984

    Archived
  • Monitoring, Regular

    Fluoride

    September 30, 1983 – September 29, 1984

    Archived
  • Monitoring, Regular

    Mercury

    September 30, 1983 – September 29, 1984

    Archived
  • Monitoring, Regular

    Nitrate

    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)

Enforcement actions

Common questions

Is FRONTON required to publish a Consumer Confidence Report?

Yes. FRONTON is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is FRONTON’s next Consumer Confidence Report due?

FRONTON’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does FRONTON have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for FRONTON.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

FRONTON

787-620-2277

CIALES, PR 00638