Water Quality in Joliet, IL
464 water systems serving 217,068 people
City Overview
Average lead detection across Joliet water systems is 2.8 ppb (Low). The EPA action level is 15 ppb. 2 systems have triggered action level violations.
Violation Summary
| Total violations on record | 18872 |
| Health-based violations | 754 |
| Lead action level violations | 2 |
| Open (unresolved) violations | 0 |
Water Systems in Joliet
Frequently Asked Questions
Is Joliet tap water safe to drink?
Joliet 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 Joliet, Illinois?
Joliet has 464 public water systems serving approximately 217,068 people. The average lead level across sampled systems is 2.8 ppb. There are 18872 total violations on record.
Does Joliet have lead in the water?
EPA monitoring data shows an average lead detection of 2.8 ppb across Joliet's water systems. The EPA action level is 15 ppb. 2 systems have triggered lead action level violations.
How many water utilities serve Joliet?
464 public water systems are registered in Joliet, Illinois with the EPA Safe Drinking Water Information System. Together they serve approximately 217,068 people.