Drinking Water Compliance OS

GUAYAMA, PR · Arroyo Municipio County

GUAYAMA 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)
PR0004745
System type
Community Water System
Population served
36,606
Service connections
13,710
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Single Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    October 1, 2022 – October 31, 2022

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2021 – March 31, 2021

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2020 – July 31, 2020

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2020 – March 31, 2020

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2019 – December 31, 2019

    Resolved
  • Single Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    September 1, 2019 – September 30, 2019

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2019 – September 30, 2019

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    April 1, 2019 – June 30, 2019

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2019 – June 30, 2019

    Resolved
  • Single Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    March 1, 2019 – March 31, 2019

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2018 – August 13, 2019

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    May 1, 2018 – May 31, 2018

    Archived
  • Monitoring, Regular

    Carbofuran

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Chlordane

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    2,4-D

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Heptachlor

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    LASSO

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Atrazine

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Dinoseb

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Picloram

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Simazine

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    OXAMYL

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Glyphosate

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Endothall

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Diquat

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Dalapon

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Toxaphene

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Methoxychlor

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Regular

    Endrin

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Routine (IDSE)

    Total Haloacetic Acids (HAA5)

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Routine (IDSE)

    TTHM

    April 1, 2018 – June 30, 2018

    Resolved
  • Monitoring, Source Water (LT2)

    Cryptosporidium

    July 1, 2017 – July 31, 2017

    Resolved
  • Monitoring, Source Water (LT2)

    Turbidity

    July 1, 2017 – July 31, 2017

    Resolved
  • Monitoring, Source Water (LT2)

    E. COLI

    July 1, 2017 – July 31, 2017

    Resolved
  • Monitoring, Source Water (LT2)

    Cryptosporidium

    May 1, 2017 – May 31, 2017

    Resolved
  • Monitoring, Source Water (LT2)

    Turbidity

    May 1, 2017 – May 31, 2017

    Resolved
  • Monitoring, Source Water (LT2)

    E. COLI

    May 1, 2017 – May 31, 2017

    Resolved
  • Monitoring, Source Water (LT2)

    Turbidity

    February 1, 2017 – February 28, 2017

    Resolved
  • Monitoring, Source Water (LT2)

    Cryptosporidium

    February 1, 2017 – February 28, 2017

    Resolved
  • Monitoring, Source Water (LT2)

    E. COLI

    February 1, 2017 – February 28, 2017

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2017 – March 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
  • Monitoring, Source Water (LT2)

    Turbidity

    January 1, 2017 – January 31, 2017

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2016 – December 31, 2016

    Resolved
  • Monitoring, Source Water (LT2)

    E. COLI

    October 1, 2016 – October 31, 2016

    Resolved
  • Monitoring, Source Water (LT2)

    Cryptosporidium

    October 1, 2016 – October 31, 2016

    Resolved
  • Monitoring, Source Water (LT2)

    Turbidity

    October 1, 2016 – October 31, 2016

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2016 – December 31, 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

    TTHM

    July 1, 2016 – September 30, 2016

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2016 – June 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

    TTHM

    January 1, 2016 – March 31, 2016

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Source Water (LT2)

    E. COLI

    October 1, 2015 – October 31, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    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, Source Water (LT2)

    Cryptosporidium

    October 1, 2015 – October 31, 2015

    Resolved
  • Monitoring, Source Water (LT2)

    Turbidity

    October 1, 2015 – October 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

    TTHM

    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
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2015 – June 30, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2015 – March 31, 2015

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    January 1, 2015 – February 11, 2021

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2015 – March 31, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2014 – December 31, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2014 – December 31, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2014 – September 30, 2014

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2014 – August 4, 2014

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    July 1, 2014 – September 30, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2014 – September 30, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2014 – June 30, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    April 1, 2014 – June 30, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2014 – March 31, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2013 – December 31, 2013

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2013 – December 31, 2013

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2013 – September 30, 2013

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2013 – September 30, 2013

    Archived
  • Lead Consumer Notice

    Lead and Copper Rule

    July 1, 2013 – February 11, 2021

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    July 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Routine (IDSE)

    Total Haloacetic Acids (HAA5)

    April 1, 2013 – April 30, 2013

    Resolved
  • Monitoring, Routine (IDSE)

    TTHM

    April 1, 2013 – April 30, 2013

    Resolved
  • Monitoring, Routine (IDSE)

    Total Haloacetic Acids (HAA5)

    January 1, 2013 – March 31, 2013

    Resolved
  • Monitoring, Routine (IDSE)

    TTHM

    January 1, 2013 – March 31, 2013

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    July 1, 2012 – February 11, 2021

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    Benzene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    Toluene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    Styrene

    April 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    October 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    October 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    Atrazine

    October 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    Simazine

    October 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    October 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    LASSO

    October 1, 2011 – December 31, 2011

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    July 1, 2011 – February 11, 2021

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    January 1, 2011 – June 30, 2011

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2010 – October 31, 2010

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2010 – June 30, 2008

    Resolved
  • Single Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    June 1, 2010 – June 30, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    April 1, 2010 – June 30, 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
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2009 – December 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2009 – September 30, 2009

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    April 1, 2009 – February 11, 2021

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    January 1, 2009 – March 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2009 – March 31, 2009

    Resolved
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    October 1, 2008 – October 31, 2008

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    October 1, 2008 – January 1, 2009

    Resolved
  • Monitoring, Regular

    Dinoseb

    October 1, 2008 – December 31, 2008

    Resolved
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    October 1, 2008 – October 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 2007 – November 30, 2007

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2007 – May 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    April 1, 2007 – April 30, 2007

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    January 1, 2007 – March 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    December 1, 2006 – December 31, 2006

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    December 1, 2006 – December 31, 2006

    Resolved
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    July 1, 2006 – July 31, 2006

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    April 1, 2006 – June 30, 2006

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

    Lead and Copper Rule

    January 1, 2006 – January 1, 2006

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    December 1, 2005 – December 31, 2005

    Resolved
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    October 1, 2005 – October 31, 2005

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    October 1, 2005 – December 31, 2005

    Resolved
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    July 1, 2005 – June 30, 2005

    Resolved
  • Treatment Technique Precursor Removal

    Health-based

    CARBON, TOTAL

    July 1, 2005 – September 30, 2005

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    Styrene

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    Ethylbenzene

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    Toluene

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    Benzene

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    CHLOROBENZENE

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    Tetrachloroethylene

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    1,1,2-Trichloroethane

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    Trichloroethylene

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    1,2-Dichloropropane

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    1,1,1-Trichloroethane

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    1,2-Dichloroethane

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    Vinyl chloride

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    p-Dichlorobenzene

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    o-Dichlorobenzene

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    DICHLOROMETHANE

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    Xylenes, Total

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    April 1, 2005 – June 30, 2005

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    April 1, 2005 – April 30, 2005

    Archived
  • Monitoring, Regular

    Styrene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    October 1, 2004 – October 31, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 2004 – September 30, 2004

    Archived
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    July 1, 2004 – July 31, 2004

    Resolved
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    May 1, 2004 – May 31, 2004

    Resolved
  • Monitoring, Regular

    Radium-226

    December 8, 2003 – December 31, 2007

    Archived
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    December 8, 2003 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    December 8, 2003 – December 31, 2007

    Resolved
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    January 1, 2002 – January 31, 2002

    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
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2000 – May 31, 2000

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 1998 – October 31, 1998

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 1998 – September 30, 1998

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    July 1, 1998 – July 31, 1998

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    January 1, 1998 – January 31, 1998

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    November 1, 1997 – November 30, 1997

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    October 1, 1997 – October 31, 1997

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    April 1, 1997 – April 30, 1997

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    January 1, 1997 – January 31, 1997

    Archived
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    December 1, 1996 – December 31, 1996

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 1996 – November 30, 1996

    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

    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

    April 1, 1996 – April 30, 1996

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    January 1, 1995 – January 31, 1995

    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

    November 1, 1993 – November 30, 1993

    Archived
  • Monitoring, Regular

    Barium

    September 30, 1983 – September 29, 1984

    Archived
  • Monitoring, Regular

    Cadmium

    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

    Selenium

    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

Contact

GUAYAMA URBANO

787-620-2277

GUAYAMA, PR 00784