Drinking Water Compliance OS

LARES, PR · Lares Municipio County

RIO PRIETO Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of October 14, 2009. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Lares Municipio County, PR.

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)
PR0003082
System type
Community Water System
Population served
800
Service connections
200
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2002 – May 31, 2002

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    December 1, 2001 – December 31, 2001

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2001 – October 31, 2001

    Archived
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2001 – March 31, 2001

    Archived
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2001 – March 31, 2001

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2001 – March 31, 2001

    Archived
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2001 – March 31, 2001

    Archived
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2001 – March 31, 2001

    Archived
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2001 – March 31, 2001

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2001 – March 31, 2001

    Archived
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2001 – March 31, 2001

    Archived
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2001 – March 31, 2001

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    January 1, 2000 – January 31, 2000

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    December 1, 1999 – December 31, 1999

    Archived
  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    December 1, 1999 – December 31, 1999

    Archived
  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    October 1, 1999 – October 31, 1999

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 1999 – October 31, 1999

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 1999 – September 30, 1999

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1999 – August 31, 1999

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 1999 – July 31, 1999

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 1999 – June 30, 1999

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 1999 – May 31, 1999

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 1998 – November 30, 1998

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 1998 – October 31, 1998

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1998 – August 31, 1998

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 1998 – June 30, 1998

    Archived
  • Monitoring, Regular

    Selenium

    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
  • Monitoring, Regular

    Barium

    September 30, 1983 – September 29, 1984

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Last known contact on file (system is inactive)

RIO PRIETO

787-620-2277

LARES, PR 00669