Does Winona, MN tap water have any EPA-reported violations?

As of June 2026, EPA SDWIS records show 12 violation(s) across the community water systems serving Winona, of which 8 are classified by the EPA as health-based. Most older violations have returned to compliance; see the per-system list.

Where does Winona, MN tap water come from?

Winona is served by 3 active community water system(s). Their primary sources, per EPA records, are: groundwater.

MN / Winona

MN · Tap water records

Winona tap water, in plain English

Here is what the EPA's own data shows about tap water in Winona. According to EPA SDWIS data retrieved June 2026, Winona is served by 3 active community water systems, together reported to serve about 32,026 people.

As of June 2026, EPA records show 12 violations across the community water system(s) serving Winona, going back to the earliest EPA record. 8 of these are classified by the EPA as health-based (a contaminant recorded above the limit the EPA tracks); the rest are monitoring or reporting violations. Each is listed by system below, with its status.

3

Community water systems
~32,026

People served (EPA-reported)
June 2026

EPA records reviewed through

What the EPA has on record, by system

Winona

27,782 served · groundwater · PWSID MN1850013

Health-based Combined Radium (-226 and -228): a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 8 times between January 2017 and July 2021. The EPA record for these does not include a measured level. All have since returned to compliance, per EPA records.

Goodview

4,158 served · groundwater · PWSID MN1850012

As of June 2026, EPA records show no reported violations for this system in the period covered. This is not a guarantee about every substance, or about the water inside your home's plumbing.

Green Terrace Mobile Estates

86 served · groundwater · PWSID MN1850005

Monitoring Revised Total Coliform Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 3 times between October 2016 and October 2021. All have since returned to compliance, per EPA records.
Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in October 2005. All have since returned to compliance, per EPA records.

What this means

A health-based violation means a contaminant was recorded above the limit the EPA tracks for it. A monitoring or reporting violation means a required test or report was late or missed — not that a contaminant was measured above a limit. “Returned to compliance” means the EPA recorded the issue as resolved.

This page summarizes the EPA's own records and does not assess whether your water is safe to drink. For the most current details, you can verify every record directly with the EPA, and contact your water system with questions.

Source: U.S. EPA Envirofacts SDWIS, retrieved June 2026. Records cover the EPA's full reporting history for these systems. Verify at EPA ECHO.