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Guam EPA reports PFAS and pesticide detections at several public water systems; GWA, US EPA and governor move to provide temporary treatment

5891336 · October 2, 2025
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

Guam EPA reported detections of PFAS and pesticides in four public water systems and outlined immediate responses: GWA issued advisories for customers served by distribution well Y-15, the acting governor declared an emergency and allocated $250,000 for whole-house filters, and US EPA Region 9 committed technical and funding assistance.

At its Oct. 2 meeting the Guam Environmental Protection Agency reported results from recent sampling that found per- and polyfluoroalkyl substances (PFAS) and pesticide detections in multiple public water systems and described short-term response measures to reduce exposure for affected households.

“On September 12, GWA issued a tier 1 advisory notification to those affected customers that get water from distribution well Y‑15,” Administrator Michelle told the board, reporting that 1,112 customers received the Sept. 12 notice because a running annual average at Y‑15 exceeded the action level previously approved by the board. Following that notification, the acting governor declared a state of emergency and allocated $250,000 to the Guam Water Authority to procure whole‑house point‑of‑entry (POE) filters for affected households.

Michelle briefed the board on short‑ and medium‑term responses. She said GWA is installing two smaller DACC systems moved from…

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