Is U.S. NAVY WATER SYSTEM Water Safe to Drink in 2026?
Guam · PWSID GU0000010 · Surface water
Population served
12,780
Cities served
APRA HEIGHTS, GUAM NAVAL FACILITY, GUAM NAVAL MAGAZINE, GUAM NAVAL REGIONAL MEDICAL CE, GUAM NAVAL SHIP REPAIR FACILIT, GUAM NAVAL STATION, GUAM NAVAL SUPPLY DEPOT, NAVAL COMMUNICATIONS AREA MAST, NORTH TIPALAO, SOUTH TIPALAO, SUMAY
State / jurisdiction
Guam (GU)
PWSID
GU0000010
F
TAP WATER GRADE
High risk
Model score 24/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
23 violation record(s) in the latest EPA SDWA quarterly snapshotPFAS compounds detected in UCMR5 monitoring
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CONTAMINANTS — EPA UCMR5 MONITORING
Compound
Level (ppt)
EPA limit
Health guideline
Status
PFHxSregulated
3.4
10 ppt
Within / n/a
MCL exceedance
Source: EPA UCMR5 · ppt = parts per trillion · MCL = enforceable limit for regulated PFAS
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 23 violation-related records with this system in the same reporting quarter as the utility snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.
WHY THIS FOR U.S. NAVY WATER SYSTEM · Chosen for U.S. NAVY WATER SYSTEM because the latest federal SDWA snapshot lists substantial violation activity. Certified reverse osmosis provides the broadest residential barrier for households that want margin beyond legal compliance.
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