Water Quality in St Charles, MO
36 water systems serving 77,783 people
City Overview
Average lead detection across St Charles water systems is 1.2 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 1310 |
| Health-based violations | 218 |
| 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, Missouri?
St Charles has 36 public water systems serving approximately 77,783 people. The average lead level across sampled systems is 1.2 ppb. There are 1310 total violations on record.
Does St Charles have lead in the water?
EPA monitoring data shows an average lead detection of 1.2 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?
36 public water systems are registered in St Charles, Missouri with the EPA Safe Drinking Water Information System. Together they serve approximately 77,783 people.