Public Water Partners

WINONA, MO · Shannon County

WINONA PWS Water System

Consumer Confidence Report status

WINONA PWS 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 PWS.

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 Missouri’s official records. Always confirm current status with Missouri before making decisions based on this information.

System facts

System ID (PWSID)
MO4010867
System type
Community Water System
Population served
1,315
Service connections
654
Ownership
local government
Water source
groundwater (wells)

WINONA PWS is one of 489 community water systems in Missouri in the 501 to 3,300 people size category, serving 1,315 people from groundwater.

As of August 1, 2026, its federal record holds 2 entries between 1992 and 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 and the Total Coliform Rules.

Violation history

  • Lead Consumer Notice

    —

    Lead and Copper Rule

    October 1, 2024 – March 27, 2025

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 1992 – November 30, 1992

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is WINONA PWS required to publish a Consumer Confidence Report?

Yes. WINONA PWS 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 PWS’s next Consumer Confidence Report due?

WINONA PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does WINONA PWS have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for WINONA PWS.

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

PHOENIX, MICHAEL

573-325-4410

WINONA, MO 65588-0000