Water Quality in Jefferson, WI
45 water systems serving 11,441 people
City Overview
Average lead detection across Jefferson water systems is 6.2 ppb (Moderate). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 495 |
| Health-based violations | 171 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Jefferson
Frequently Asked Questions
Is Jefferson tap water safe to drink?
Jefferson 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 Jefferson, Wisconsin?
Jefferson has 45 public water systems serving approximately 11,441 people. The average lead level across sampled systems is 6.2 ppb. There are 495 total violations on record.
Does Jefferson have lead in the water?
EPA monitoring data shows an average lead detection of 6.2 ppb across Jefferson's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Jefferson?
45 public water systems are registered in Jefferson, Wisconsin with the EPA Safe Drinking Water Information System. Together they serve approximately 11,441 people.