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Consumer Safety

Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

Infrastructure

Bridge Safety624,000 bridge inspections Aviation Safety30,000+ NTSB aviation events Dam Safety92,600 dam safety records Water Safety433,000+ public water systems Railroad Safety438,000+ rail crossings Pipeline Safety8,800+ pipeline incidents State DashboardsSafety grades for all 50 states ZIP ReportAny 5-digit ZIP across 9 datasets

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GWA CENTRAL WATER SYSTEM

GU — Community Water System — PWSID: GU0000003

System Information

PWSIDGU0000003
System NameGWA CENTRAL WATER SYSTEM
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeState
EPA Region09
Serves SchoolNo
WholesalerYes
First ReportedMar 10, 1980
Last ReportedMar 30, 2026

Location & Contact

StateGU
CityMANGILAO
ZIP Code96913
AddressGloria B. Nelson Public Service Building
OrganizationBORDALLO, MIGUEL
Phone671-300-6845

Population & Service

Population Served21,398
Service Connections3,295

Drinking Water Violations (106)

This water system has 106 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, 2022 Apr 30, 2022 MCL Yes No — — — Resolved Apr 28, 2022 —
Apr 1, 2022 Apr 30, 2022 MCL Yes No — — — Resolved Apr 28, 2022 —
Apr 1, 2022 Apr 30, 2022 MCL Yes No — — — Resolved Apr 28, 2022 —
Apr 1, 2022 Apr 30, 2022 MCL Yes No — — — Resolved Apr 28, 2022 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.002 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.002 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.002 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .072 MG/L 0.060 mg/L — Resolved Mar 31, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .072 MG/L 0.060 mg/L — Resolved Mar 31, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .072 MG/L 0.060 mg/L — Resolved Mar 31, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .072 MG/L 0.060 mg/L — Resolved Mar 31, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .148 MG/L 0.080 mg/L — Resolved Mar 31, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .148 MG/L 0.080 mg/L — Resolved Mar 31, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .148 MG/L 0.080 mg/L — Resolved Mar 31, 2012 —
Jan 1, 2012 — Other No No — — — Resolved May 28, 2014 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.004 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.004 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .148 MG/L 0.080 mg/L — Resolved Mar 31, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.010 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.010 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.010 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.1 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.1 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.05 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.05 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 2 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 2 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.005 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.005 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.2 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.2 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.002 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.002 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.006 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.006 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 2 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.005 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.2 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.002 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.006 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.05 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.004 mg/L — Resolved Apr 23, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — 0.1 mg/L — Resolved Apr 23, 2012 —
Oct 1, 2011 Dec 31, 2011 MCL Yes No .068 MG/L 0.060 mg/L — Resolved Dec 31, 2011 —
Oct 1, 2011 Dec 31, 2011 MCL Yes No .068 MG/L 0.060 mg/L — Resolved Dec 31, 2011 —
Oct 1, 2011 Dec 31, 2011 MCL Yes No .068 MG/L 0.060 mg/L — Resolved Dec 31, 2011 —
Oct 1, 2011 Dec 31, 2011 MCL Yes No .145 MG/L 0.080 mg/L — Resolved Dec 31, 2011 —
Oct 1, 2011 Dec 31, 2011 MCL Yes No .145 MG/L 0.080 mg/L — Resolved Dec 31, 2011 —
Oct 1, 2011 Dec 31, 2011 MCL Yes No .145 MG/L 0.080 mg/L — Resolved Dec 31, 2011 —
Oct 1, 2011 Dec 31, 2011 MCL Yes No .068 MG/L 0.060 mg/L — Resolved Dec 31, 2011 —

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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