Water Quality in Winona, MN
115 water systems serving 38,400 people
City Overview
Average lead detection across Winona water systems is 21.5 ppb (Elevated). The EPA action level is 15 ppb. 2 systems have triggered action level violations.
Violation Summary
| Total violations on record | 407 |
| Health-based violations | 333 |
| Lead action level violations | 2 |
| Open (unresolved) violations | 0 |
Water Systems in Winona
Frequently Asked Questions
Is Winona tap water safe to drink?
Some water systems in Winona 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 Winona, Minnesota?
Winona has 115 public water systems serving approximately 38,400 people. The average lead level across sampled systems is 21.5 ppb. There are 407 total violations on record.
Does Winona have lead in the water?
EPA monitoring data shows an average lead detection of 21.5 ppb across Winona's water systems. The EPA action level is 15 ppb. 2 systems have triggered lead action level violations.
How many water utilities serve Winona?
115 public water systems are registered in Winona, Minnesota with the EPA Safe Drinking Water Information System. Together they serve approximately 38,400 people.