Is East Saint Louis, Illinois tap water safe?
4 water systems report serving East Saint Louis. Your water depends on which one serves your address. Check your bill if unsure. This list is matched from the ZIP codes in this place, so it may include nearby systems.
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Il American-East St Louis
Serves 131,368 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
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Cahokia Heights
Serves 12,528 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
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Columbia
Serves 11,129 people · Surface water · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; 1 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
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Southwestern Il Correctional Center
Serves 563 people · Surface water · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file.