Is ANDERSEN AIR FORCE BASE WATER SYSTEM Water Safe to Drink in 2026?
Guam · PWSID GU0000009 · Ground water
Population served
7,700
Cities served
—
State / jurisdiction
Guam (GU)
PWSID
GU0000009
D
TAP WATER GRADE
Poor
Model score 39/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
10 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
PFHxA
4.9
—
Within / n/a
Unregulated (monitored)
PFPeS
4.6
—
Within / n/a
Unregulated (monitored)
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 10 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.
Based on ANDERSEN AIR FORCE BASE WATER SYSTEM's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
TOP PICKS FOR ANDERSEN AIR FORCE BASE WATER SYSTEM
⚠ EPA violations / contaminants in monitoring data
WHY THIS FOR ANDERSEN AIR FORCE BASE WATER SYSTEM · Chosen for ANDERSEN AIR FORCE BASE 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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