Winona, MN · Winona County
Winona Water System
Consumer Confidence Report status
Winona must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for Winona.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Minnesota’s official records. Always confirm current status with Minnesota before making decisions based on this information.
System facts
- System ID (PWSID)
- MN1850013
- System type
- Community Water System
- Population served
- 27,782
- Service connections
- 8,417
- Ownership
- local government
- Water source
- groundwater (wells)
Winona is one of 93 community water systems in Minnesota in the 10,001 to 100,000 people size category, serving 27,782 people from groundwater.
As of August 1, 2026, its federal record holds 4 entries between 2017 and 2021, all of which EPA lists as closed. Nothing has been added since 2021.
None of the 4 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Radionuclides and Revised Rad Rule.
Violation history
Maximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
July 1, 2021 – September 30, 2021
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
October 1, 2020 – December 31, 2020
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
July 1, 2020 – September 30, 2020
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
April 1, 2017 – June 30, 2017
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2021 – September 30, 2021 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| October 1, 2020 – December 31, 2020 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| July 1, 2020 – September 30, 2020 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| April 1, 2017 – June 30, 2017 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- April 20, 2022State Compliance achieved1 linked violation
- April 20, 2022State Compliance achieved1 linked violation
- April 20, 2022State Compliance achieved1 linked violation
- April 20, 2022State Compliance achieved1 linked violation
- April 20, 2022State Compliance achieved1 linked violation
- April 20, 2022State Compliance achieved1 linked violation
- January 11, 2022State Public Notification received1 linked violation
- November 30, 2021State Public Notification requested1 linked violation
- November 30, 2021State Formal Notice of Violation issued1 linked violation
- November 30, 2021State Compliance Meeting conducted1 linked violation
- August 11, 2021State Public Notification received1 linked violation
- July 26, 2021State Formal Notice of Violation issued1 linked violation
- July 26, 2021State Public Notification requested1 linked violation
- July 26, 2021State Compliance Meeting conducted1 linked violation
- March 24, 2021State Compliance Meeting conducted7 linked violations
- March 22, 2021State Compliance Meeting conducted8 linked violations
- March 22, 2021State Public Notification requested8 linked violations
- November 16, 2020State Administrative/Compliance Order without penalty issued1 linked violation
- November 16, 2020State Administrative/Compliance Order without penalty issued3 linked violations
- November 16, 2020State Administrative/Compliance Order without penalty issued1 linked violation
- November 16, 2020State Administrative/Compliance Order without penalty issued1 linked violation
- November 6, 2020State Formal Notice of Violation issued1 linked violation
- November 6, 2020State Compliance Meeting conducted2 linked violations
- June 4, 2020State Compliance Meeting conducted8 linked violations
- June 4, 2020State Formal Notice of Violation issued2 linked violations
- September 26, 2018State Compliance achieved1 linked violation
- March 19, 2018State Public Notification requested2 linked violations
- March 19, 2018State Violation/Reminder Notice3 linked violations
- October 6, 2017State Compliance Meeting conducted2 linked violations
- October 6, 2017State Public Notification requested1 linked violation
- December 15, 1997State Violation/Reminder Notice1 linked violation
- December 15, 1997State Public Notification requested1 linked violation
- December 15, 1997State Formal Notice of Violation issued1 linked violation
Common questions
Is Winona required to publish a Consumer Confidence Report?
- Yes. Winona is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is Winona’s next Consumer Confidence Report due?
- Winona’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does Winona have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for Winona.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
Winona City Council
5074578237
Winona, MN 55987