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RIO PRIETO

PR — Community Water System — PWSID: PR0003082

System Information

PWSIDPR0003082
System NameRIO PRIETO
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusInactive
Owner TypeLocal
EPA Region02
Serves SchoolYes
WholesalerNo
First ReportedMar 1, 1980
Last ReportedDec 23, 2025

Location & Contact

StatePR
CityLARES
ZIP Code00669
AddressCARR. 426 KM. 4.0
OrganizationRIO PRIETO
Phone787-620-2277

Population & Service

Population Served800
Service Connections200

Drinking Water Violations (58)

This water system has 58 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jan 1, 2008 — Surface Water Treatment Rule TT Yes No — — — Archived Oct 14, 2009 Surface Water Treatment Rule
Jan 1, 2005 Dec 31, 2005 Asbestos MR No Yes — 7 MFL — Archived Dec 31, 2005 Inorganic Chemicals
May 1, 2002 May 31, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 2002 Total Coliform Rule
Jan 1, 2002 Jan 31, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jan 31, 2002 Total Coliform Rule
Dec 1, 2001 Dec 31, 2001 Coliform (TCR) MCL Yes No — 5% of samples — Archived Dec 31, 2001 Total Coliform Rule
Oct 1, 2001 Oct 31, 2001 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 2001 Total Coliform Rule
Jan 1, 2001 Mar 31, 2001 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Carbon tetrachloride MR No Yes — 0.005 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Vinyl chloride MR No Yes — 0.002 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Trichloroethylene MR No Yes — 0.005 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Ethylbenzene MR No Yes — 0.7 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Styrene MR No Yes — 0.1 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Tetrachloroethylene MR No Yes — 0.005 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 CHLOROBENZENE MR No Yes — 0.1 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Benzene MR No Yes — 0.005 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Xylenes, Total MR No Yes — 10 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 Toluene MR No Yes — 1 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2001 Mar 31, 2001 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Archived Mar 31, 2001 Volatile Organic Chemicals
Jan 1, 2000 Jan 31, 2000 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jan 31, 2000 Total Coliform Rule
Dec 1, 1999 Dec 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Dec 31, 1999 Total Coliform Rule
Dec 1, 1999 Dec 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Dec 31, 1999 Total Coliform Rule
Oct 1, 1999 Oct 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 1999 Total Coliform Rule
Oct 1, 1999 Oct 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 1999 Total Coliform Rule
Sep 1, 1999 Sep 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Sep 30, 1999 Total Coliform Rule
Aug 1, 1999 Aug 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 1999 Total Coliform Rule
Jul 1, 1999 Jul 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 1999 Total Coliform Rule
Jun 1, 1999 Jun 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jun 30, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 1999 Total Coliform Rule
Mar 1, 1999 Mar 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Mar 31, 1999 Total Coliform Rule
Jan 1, 1999 Jan 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jan 31, 1999 Total Coliform Rule
Jan 1, 1999 Jan 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jan 31, 1999 Total Coliform Rule
Nov 1, 1998 Nov 30, 1998 Coliform (TCR) MR No No — 5% of samples — Archived Nov 30, 1998 Total Coliform Rule
Oct 1, 1998 Oct 31, 1998 Coliform (TCR) MR No No — 5% of samples — Archived Oct 31, 1998 Total Coliform Rule
Aug 1, 1998 Aug 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 1998 Total Coliform Rule
Jun 1, 1998 Jun 30, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jun 30, 1998 Total Coliform Rule
Jan 1, 1992 — Surface Water Treatment Rule TT Yes No — — — Archived Oct 14, 2009 Surface Water Treatment Rule
Jan 1, 1992 — Surface Water Treatment Rule TT Yes No — — — Archived Oct 14, 2009 Surface Water Treatment Rule
Jan 1, 1992 — Surface Water Treatment Rule TT Yes No — — — Archived Oct 14, 2009 Surface Water Treatment Rule
Jan 1, 1992 — Surface Water Treatment Rule TT Yes No — — — Archived Oct 14, 2009 Surface Water Treatment Rule
Jan 1, 1992 — Surface Water Treatment Rule TT Yes No — — — Archived Oct 14, 2009 Surface Water Treatment Rule
Sep 30, 1983 Sep 29, 1984 Nitrate MR No Yes — 10 mg/L — Archived Sep 29, 1984 Nitrate Rule
Sep 30, 1983 Sep 29, 1984 Barium MR No Yes — 2 mg/L — Archived Sep 29, 1984 Inorganic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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