Is Port Byron, Illinois tap water safe?
1 water system report serving Port Byron. Your water depends on which one serves your address. Check your bill if unsure.
B
Port Byron
Serves 1,668 people · Groundwater · Full report →
No health-based violations in the last 5 years; 6 monitoring/reporting violations; 5 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).