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Boil water advisoryMicrobiologicalLimit exceededStatus unconfirmedFirst seen 26/08/2026, 13:35

Original text in English, shown unchanged.

Drinking Water Warning: GWA northern water system’s well Y-9 tested positive for fecal indicator: Boil Your Water Before Using

The Guam Waterworks Authority (GWA) detected E. coli bacteria in a raw water sample from well Y-09 on August 18, 2026. This well serves the Barrigada, Latte Heights, Mongmong-Toto-Maite, Mangilao, Route 15, and Yigo areas. Residents in these areas are advised to boil all water for three minutes before use, or use bottled water, until further notice.

Location
Guam
Country
🇺🇸 USA
Start
01/08/2026, 02:00
End
30/09/2026, 07:18
Event type
Boil water advisory, Microbiological, Limit exceeded
Status
Status unconfirmed
Last updated

Timeline

  1. · Alert first recorded
  2. · Start according to source
  3. · Automatically marked inactive
  4. · End according to source
  5. · Record last updated

USAReportsAugust 2026ArchiveMethodology

Automatically closed

This advisory was automatically marked as resolved after 21 days without new official information. No official all-clear was issued. Please check with your local water utility for the current status.

What to do now

For this case the specific instructions of the official source apply. Please follow the details in the report and the guidance of your water utility.

Sources

This summary was generated automatically. For binding information consult the linked source.

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