Water Quality in St. Charles, IL
19 water systems serving 47,435 people
City Overview
Average lead detection across St. Charles water systems is 3.1 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 1557 |
| Health-based violations | 242 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in St. Charles
Frequently Asked Questions
Is St. Charles tap water safe to drink?
St. Charles 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 St. Charles, Illinois?
St. Charles has 19 public water systems serving approximately 47,435 people. The average lead level across sampled systems is 3.1 ppb. There are 1557 total violations on record.
Does St. Charles have lead in the water?
EPA monitoring data shows an average lead detection of 3.1 ppb across St. Charles's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve St. Charles?
19 public water systems are registered in St. Charles, Illinois with the EPA Safe Drinking Water Information System. Together they serve approximately 47,435 people.