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Tap water quality report

Lead in GU

Of the 4 water suppliers tested for Lead in GU, 0 exceeded the lead action level (0%).

0%
of suppliers exceeded the lead action level
4
suppliers tested
GU rankings Lead in GU PFAS in GU

What is Lead?

Lead is a neurotoxin with no known safe level. It usually enters water from old service lines and household plumbing rather than the source, so results vary system to system. The EPA acts when the 90th-percentile sample exceeds 0.015 mg/L.

Water suppliers

Lead value per supplier, LCR compliance samples. EPA action level — 0.015 mg/L at the 90th percentile. Suppliers that exceeded the lead action level are highlighted and listed first. “Not detected” means the contaminant was measured but not found.
SupplierCityPopulationLead (mg/L)
Gwa Northern Water System Adacao 139,207 0.0017 mg/L
Gwa Southern Water System Talofofo 5,801 0.00089 mg/L
Andersen Air Force Base Water System Apo Ap 7,700 0.00085 mg/L
Gwa Central Water System Adelup 21,398 0.00077 mg/L