Drinking Water Compliance OS

SALINAS, PR · Salinas Municipio County

COQUI 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)
PR0004915
System type
Community Water System
Population served
6,307
Service connections
2,362
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    Nitrate

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Nitrate

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Nitrate

    April 1, 2024 – June 30, 2024

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2024 – March 31, 2024

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2020 – August 6, 2020

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    July 1, 2019 – September 30, 2019

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    July 1, 2019 – September 30, 2019

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2018 – August 13, 2019

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    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

    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

    Carbofuran

    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

    Endrin

    April 1, 2018 – June 30, 2018

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2014 – September 25, 2014

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    April 1, 2014 – June 30, 2014

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    April 1, 2014 – June 30, 2014

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    April 1, 2014 – June 30, 2014

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2013 – December 31, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2013 – December 31, 2013

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    July 1, 2013 – October 18, 2019

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2013 – December 31, 2013

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    July 1, 2012 – October 18, 2019

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    December 1, 2011 – December 31, 2011

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    July 1, 2011 – October 18, 2019

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    January 1, 2009 – October 18, 2019

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    January 1, 2008 – January 31, 2008

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2007 – March 31, 2007

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

    Lead and Copper Rule

    October 1, 2006 – January 1, 2007

    Resolved
  • Monitoring, Regular

    Nitrate

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Endrin

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Methoxychlor

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Toxaphene

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Dalapon

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Diquat

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Endothall

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Glyphosate

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    OXAMYL

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Simazine

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Picloram

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Dinoseb

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Carbofuran

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Atrazine

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    LASSO

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Heptachlor

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    2,4-D

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Chlordane

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Nitrate

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2006 – March 31, 2006

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2006 – March 31, 2006

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Benzene

    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
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    January 1, 2005 – January 31, 2005

    Archived
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2005 – December 31, 2005

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2004 – August 31, 2004

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 2003 – October 31, 2003

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2003 – May 31, 2003

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    January 1, 2003 – January 31, 2003

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2000 – October 31, 2000

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    December 1, 1998 – December 31, 1998

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 1998 – November 30, 1998

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    September 1, 1998 – September 30, 1998

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 1998 – July 31, 1998

    Archived
  • Monitoring, Regular

    Nitrite

    July 1, 1997 – September 30, 1997

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    January 1, 1997 – January 31, 1997

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 1994 – October 31, 1994

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 1992 – October 31, 1992

    Archived
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 1992 – July 1, 1993

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    September 1, 1980 – September 30, 1980

    Archived

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

Enforcement actions

Contact

COQUI

787-620-2277

SALINAS, PR 00751