Water Quality in Zion, IL
48 water systems serving 26,983 people
City Overview
Average lead detection across Zion water systems is 6.5 ppb (Moderate). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 300 |
| Health-based violations | 6 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Zion
Frequently Asked Questions
Is Zion tap water safe to drink?
Zion tap water meets EPA standards for most contaminants. Review the individual water system pages below for the latest lead sample results and violation history.
What is the water quality in Zion, Illinois?
Zion has 48 public water systems serving approximately 26,983 people. The average lead level across sampled systems is 6.5 ppb. There are 300 total violations on record.
Does Zion have lead in the water?
EPA monitoring data shows an average lead detection of 6.5 ppb across Zion's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Zion?
48 public water systems are registered in Zion, Illinois with the EPA Safe Drinking Water Information System. Together they serve approximately 26,983 people.