Winthrop, MN · Sibley County
Winthrop Water System
Consumer Confidence Report status
Winthrop 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 Winthrop.
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)
- MN1720008
- System type
- Community Water System
- Population served
- 1,330
- Service connections
- 665
- Ownership
- local government
- Water source
- groundwater (wells)
Winthrop is one of 330 community water systems in Minnesota in the 501 to 3,300 people size category, serving 1,330 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries in 2024, all of which EPA lists as closed.
Of the 2, 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Lead and Copper Rule.
Violation history
LSL Inventory
Health-basedLEAD AND COPPER RULE REVISIONS
October 17, 2024 – October 25, 2024
ResolvedLSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024 – October 25, 2024
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 17, 2024 – October 25, 2024 | LSL Inventory | LEAD AND COPPER RULE REVISIONS | Health-based | Resolved |
| October 17, 2024 – October 25, 2024 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- November 14, 2024State Public Notification received2 linked violations
- October 25, 2024State Compliance achieved2 linked violations
- October 24, 2024State Formal Notice of Violation issued2 linked violations
- October 24, 2024State Public Notification requested2 linked violations
- April 30, 1996State Formal Notice of Violation issued1 linked violation
- April 30, 1996State Violation/Reminder Notice1 linked violation
- April 30, 1996State Public Notification requested1 linked violation
- September 30, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- July 31, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- September 30, 1988State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- September 30, 1984State Compliance achievedgeneral compliance action — not tied to a specific violation on record
Common questions
Is Winthrop required to publish a Consumer Confidence Report?
- Yes. Winthrop 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 Winthrop’s next Consumer Confidence Report due?
- Winthrop’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does Winthrop have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for Winthrop.
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
Winthrop City Council
5076475306
Winthrop, MN 55396