Water Quality in Oak Brook, IL
13 water systems serving 12,200 people
City Overview
Average lead detection across Oak Brook water systems is 137.0 ppb (Elevated). The EPA action level is 15 ppb. 1 system have triggered action level violations.
Violation Summary
| Total violations on record | 1285 |
| Health-based violations | 43 |
| Lead action level violations | 1 |
| Open (unresolved) violations | 0 |
Water Systems in Oak Brook
Frequently Asked Questions
Is Oak Brook tap water safe to drink?
Some water systems in Oak Brook have detected elevated lead levels. While municipal treatment meets EPA standards, lead can leach from older home plumbing. Consider using a certified filter if your home was built before 1986.
What is the water quality in Oak Brook, Illinois?
Oak Brook has 13 public water systems serving approximately 12,200 people. The average lead level across sampled systems is 137.0 ppb. There are 1285 total violations on record.
Does Oak Brook have lead in the water?
EPA monitoring data shows an average lead detection of 137.0 ppb across Oak Brook's water systems. The EPA action level is 15 ppb. 1 system have triggered lead action level violations.
How many water utilities serve Oak Brook?
13 public water systems are registered in Oak Brook, Illinois with the EPA Safe Drinking Water Information System. Together they serve approximately 12,200 people.