Is East St Louis, Illinois tap water safe?
2 water systems report serving East St Louis. Your water depends on which one serves your address. Check your bill if unsure.
A
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).
A
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.