Water Quality in Oswego, IL
45 water systems serving 41,844 people
City Overview
Average lead detection across Oswego water systems is 0.9 ppb (Very low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 869 |
| Health-based violations | 169 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Oswego
Frequently Asked Questions
Is Oswego tap water safe to drink?
Oswego 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 Oswego, Illinois?
Oswego has 45 public water systems serving approximately 41,844 people. The average lead level across sampled systems is 0.9 ppb. There are 869 total violations on record.
Does Oswego have lead in the water?
EPA monitoring data shows an average lead detection of 0.9 ppb across Oswego's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Oswego?
45 public water systems are registered in Oswego, Illinois with the EPA Safe Drinking Water Information System. Together they serve approximately 41,844 people.