Water Quality in Barrington, IL
123 water systems serving 33,810 people
City Overview
Average lead detection across Barrington water systems is 3.9 ppb (Low). The EPA action level is 15 ppb. 1 system have triggered action level violations.
Violation Summary
| Total violations on record | 586 |
| Health-based violations | 21 |
| Lead action level violations | 1 |
| Open (unresolved) violations | 0 |
Water Systems in Barrington
Frequently Asked Questions
Is Barrington tap water safe to drink?
Barrington 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 Barrington, Illinois?
Barrington has 123 public water systems serving approximately 33,810 people. The average lead level across sampled systems is 3.9 ppb. There are 586 total violations on record.
Does Barrington have lead in the water?
EPA monitoring data shows an average lead detection of 3.9 ppb across Barrington's water systems. The EPA action level is 15 ppb. 1 system have triggered lead action level violations.
How many water utilities serve Barrington?
123 public water systems are registered in Barrington, Illinois with the EPA Safe Drinking Water Information System. Together they serve approximately 33,810 people.