Water Quality in Wauwatosa, WI
34 water systems serving 116,782 people
City Overview
Average lead detection across Wauwatosa water systems is 4.7 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 560 |
| Health-based violations | 56 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Wauwatosa
Frequently Asked Questions
Is Wauwatosa tap water safe to drink?
Wauwatosa 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 Wauwatosa, Wisconsin?
Wauwatosa has 34 public water systems serving approximately 116,782 people. The average lead level across sampled systems is 4.7 ppb. There are 560 total violations on record.
Does Wauwatosa have lead in the water?
EPA monitoring data shows an average lead detection of 4.7 ppb across Wauwatosa's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Wauwatosa?
34 public water systems are registered in Wauwatosa, Wisconsin with the EPA Safe Drinking Water Information System. Together they serve approximately 116,782 people.