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GUAMANI

PR — Community Water System — PWSID: PR0004755

System Information

PWSIDPR0004755
System NameGUAMANI
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusNon-Inventory
Owner TypeLocal
EPA Region02
Serves SchoolYes
WholesalerNo
First ReportedMar 1, 1980
Last ReportedDec 23, 2025

Location & Contact

StatePR
CityGUAYAMA
ZIP Code00784
AddressCARR.179 KM 5
OrganizationGUAMANI
Phone787-620-2277

Population & Service

Population Served1,056
Service Connections264

Drinking Water Violations (140)

This water system has 140 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
Apr 1, 2006 Apr 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2006 Total Coliform Rule
Apr 1, 2006 Apr 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2006 Total Coliform Rule
Feb 1, 2006 Feb 28, 2006 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Feb 28, 2006 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2005 Oct 31, 2005 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2005 Jun 30, 2005 Chlordane MR No Yes — 0.002 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Diquat MR No Yes — 0.02 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Glyphosate MR No Yes — 0.7 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Methoxychlor MR No Yes — 0.04 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 OXAMYL MR No Yes — 0.2 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Endrin MR No Yes — 0.002 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Toxaphene MR No Yes — 0.003 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Dalapon MR No Yes — 0.2 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Carbofuran MR No Yes — 0.04 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Simazine MR No Yes — 0.004 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 2,4-D MR No Yes — 0.07 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Endothall MR No Yes — 0.1 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Dinoseb MR No Yes — 0.007 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Heptachlor MR No Yes — 0.0004 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 LASSO MR No Yes — — — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Atrazine MR No Yes — 0.003 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Pentachlorophenol MR No Yes — 0.001 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 2,4,5-TP MR No Yes — 0.05 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 BHC-GAMMA MR No Yes — 0.0002 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Apr 1, 2005 Jun 30, 2005 Picloram MR No Yes — 0.5 mg/L — Archived Jun 30, 2005 Synthetic Organic Chemicals
Nov 1, 2004 Nov 30, 2004 Surface Water Treatment Rule TT Yes No — — — Archived Nov 30, 2004 Surface Water Treatment Rule
Oct 1, 2004 Oct 31, 2004 Surface Water Treatment Rule TT Yes No — — — Archived Oct 31, 2004 Surface Water Treatment Rule
Sep 1, 2000 Sep 30, 2000 Surface Water Treatment Rule TT Yes No — — — Archived Sep 30, 2000 Surface Water Treatment Rule
Nov 1, 1999 Nov 30, 1999 Surface Water Treatment Rule TT Yes No — — — Archived Nov 30, 1999 Surface Water Treatment Rule
Jan 1, 1999 Jan 31, 1999 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 1999 Surface Water Treatment Rule
Dec 1, 1998 Dec 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Dec 31, 1998 Surface Water Treatment Rule
Nov 1, 1998 Nov 30, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Nov 30, 1998 Surface Water Treatment Rule
Oct 1, 1998 Oct 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Oct 31, 1998 Surface Water Treatment Rule
Sep 1, 1998 Sep 30, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Sep 30, 1998 Surface Water Treatment Rule
Sep 1, 1998 Sep 30, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Sep 30, 1998 Surface Water Treatment Rule
Aug 1, 1998 Aug 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 1998 Surface Water Treatment Rule
Aug 1, 1998 Aug 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 1998 Surface Water Treatment Rule
Jul 1, 1998 Jul 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Jul 31, 1998 Surface Water Treatment Rule
Jul 1, 1998 Jul 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Jul 31, 1998 Surface Water Treatment Rule
Jun 1, 1998 Jun 30, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Jun 30, 1998 Surface Water Treatment Rule
Jun 1, 1998 Jun 30, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Jun 30, 1998 Surface Water Treatment Rule
May 1, 1998 May 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived May 31, 1998 Surface Water Treatment Rule
May 1, 1998 May 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived May 31, 1998 Surface Water Treatment Rule
Apr 1, 1998 Apr 30, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Apr 30, 1998 Surface Water Treatment Rule

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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