Water Quality in Decatur, IL
156 water systems serving 93,991 people
City Overview
Average lead detection across Decatur water systems is 4.6 ppb (Low). The EPA action level is 15 ppb. 1 system have triggered action level violations.
Violation Summary
| Total violations on record | 220 |
| Health-based violations | 107 |
| Lead action level violations | 1 |
| Open (unresolved) violations | 0 |
Water Systems in Decatur
Frequently Asked Questions
Is Decatur tap water safe to drink?
Decatur 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 Decatur, Illinois?
Decatur has 156 public water systems serving approximately 93,991 people. The average lead level across sampled systems is 4.6 ppb. There are 220 total violations on record.
Does Decatur have lead in the water?
EPA monitoring data shows an average lead detection of 4.6 ppb across Decatur's water systems. The EPA action level is 15 ppb. 1 system have triggered lead action level violations.
How many water utilities serve Decatur?
156 public water systems are registered in Decatur, Illinois with the EPA Safe Drinking Water Information System. Together they serve approximately 93,991 people.