Is Ullin, Illinois tap water safe?
1 water system report serving Ullin. Your water depends on which one serves your address. Check your bill if unsure.
A
Ullin
Serves 496 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile above the new 10 ppb action level (LCRI, effective Nov 1, 2027); Lead 90th percentile below the action level (2025).