Is IL AMERICAN-EAST ST LOUIS Water Safe to Drink in 2026?
Illinois · PWSID IL1635040 · Surface water
Population served
131,368
Cities served
EAST ST LOUIS
State / jurisdiction
Illinois (IL)
PWSID
IL1635040
F
TAP WATER GRADE
High risk
Model score 31/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
12 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
PFBA
18.1
—
Within / n/a
Unregulated (monitored)
PFHxA
4.4
—
Within / n/a
Unregulated (monitored)
PFPeA
4.2
—
Within / n/a
Unregulated (monitored)
Source: EPA UCMR5 · ppt = parts per trillion · MCL = enforceable limit for regulated PFAS
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 12 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 IL AMERICAN-EAST ST LOUIS · Chosen for IL AMERICAN-EAST ST LOUIS 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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