Water Quality in Janesville, WI
121 water systems serving 76,253 people
City Overview
Average lead detection across Janesville water systems is 3.5 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 1370 |
| Health-based violations | 857 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Janesville
Frequently Asked Questions
Is Janesville tap water safe to drink?
Janesville 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 Janesville, Wisconsin?
Janesville has 121 public water systems serving approximately 76,253 people. The average lead level across sampled systems is 3.5 ppb. There are 1370 total violations on record.
Does Janesville have lead in the water?
EPA monitoring data shows an average lead detection of 3.5 ppb across Janesville's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Janesville?
121 public water systems are registered in Janesville, Wisconsin with the EPA Safe Drinking Water Information System. Together they serve approximately 76,253 people.