Is Merrionette Park, Illinois tap water safe?
2 water systems report serving Merrionette Park. Your water depends on which one serves your address. Check your bill if unsure.
B
Merrionette Park
Serves 1,969 people · Surface water · Full report →
No health-based violations in the last 5 years; 5 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A
Oak Lane MHC
Serves 388 people · Surface water · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).