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Dieldrin Testing Data from Samples Collected Nov. 11 & Nov. 13

  • GWA News
  • Dec 11, 2025
  • 1 min read

On November 4, GWA had previously reported the status of entry points that tested higher than, or equal to 50% of the IAL for dieldrin. The table below provides a status update to the November 4 reporting with analytical data from samples collected on November 11 and November 13:


Residents with questions about their water service or quality can contact GWA Customer Service at 671-647-7800 Monday through Friday from 7:30 a.m. to 6 p.m. and Saturday from 8 a.m. to noon. The Guam EPA has also established a hotline at 671-888-4342 for customers who have health risk or water safety questions, available Monday through Friday 8 a.m. to 5 p.m.

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