Water Quality in Lake Zurich, IL
58 water systems serving 27,977 people
City Overview
Average lead detection across Lake Zurich water systems is 9.2 ppb (Moderate). The EPA action level is 15 ppb. 2 systems have triggered action level violations.
Violation Summary
| Total violations on record | 8390 |
| Health-based violations | 403 |
| Lead action level violations | 2 |
| Open (unresolved) violations | 0 |
Water Systems in Lake Zurich
Frequently Asked Questions
Is Lake Zurich tap water safe to drink?
Lake Zurich 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 Lake Zurich, Illinois?
Lake Zurich has 58 public water systems serving approximately 27,977 people. The average lead level across sampled systems is 9.2 ppb. There are 8390 total violations on record.
Does Lake Zurich have lead in the water?
EPA monitoring data shows an average lead detection of 9.2 ppb across Lake Zurich's water systems. The EPA action level is 15 ppb. 2 systems have triggered lead action level violations.
How many water utilities serve Lake Zurich?
58 public water systems are registered in Lake Zurich, Illinois with the EPA Safe Drinking Water Information System. Together they serve approximately 27,977 people.