Water Quality in St. John, IN
4 water systems serving 26,219 people
City Overview
Average lead detection across St. John water systems is 2.7 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 258 |
| Health-based violations | 21 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in St. John
Frequently Asked Questions
Is St. John tap water safe to drink?
St. John 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. John, Indiana?
St. John has 4 public water systems serving approximately 26,219 people. The average lead level across sampled systems is 2.7 ppb. There are 258 total violations on record.
Does St. John have lead in the water?
EPA monitoring data shows an average lead detection of 2.7 ppb across St. John's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve St. John?
4 public water systems are registered in St. John, Indiana with the EPA Safe Drinking Water Information System. Together they serve approximately 26,219 people.