Water Quality in Grayslake, IL
64 water systems serving 31,392 people
City Overview
Average lead detection across Grayslake water systems is 3.2 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 585 |
| Health-based violations | 31 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Grayslake
Frequently Asked Questions
Is Grayslake tap water safe to drink?
Grayslake 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 Grayslake, Illinois?
Grayslake has 64 public water systems serving approximately 31,392 people. The average lead level across sampled systems is 3.2 ppb. There are 585 total violations on record.
Does Grayslake have lead in the water?
EPA monitoring data shows an average lead detection of 3.2 ppb across Grayslake's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Grayslake?
64 public water systems are registered in Grayslake, Illinois with the EPA Safe Drinking Water Information System. Together they serve approximately 31,392 people.