Is MO AMERICAN ST CHARLES Water Safe to Drink in 2026?
Missouri · PWSID MO6036238 · Surface water
Population served
73,000
Cities served
ST. CHARLES
State / jurisdiction
Missouri (MO)
PWSID
MO6036238
D
TAP WATER GRADE
Poor
Model score 39/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
13 violation record(s) in the latest EPA SDWA quarterly snapshot
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CONTAMINANTS — EPA UCMR5 MONITORING
No UCMR5 PFAS detects on file for this PWS in our bundled national dataset — the system may be smaller than UCMR5 thresholds, had non-detects, or results are not yet linked to this ID. Your retailer Annual Water Quality Report lists other regulated contaminants (chlorine, DBPs, nitrates, etc.).
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 13 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 MO AMERICAN ST CHARLES · Chosen for MO AMERICAN ST CHARLES 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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