Public Water Partners

UNION STAR, MO · DeKalb County

UNION STAR PWS Water System

Consumer Confidence Report status

UNION STAR 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 1 item for UNION STAR PWS that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

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)
MO1010802
System type
Community Water System
Population served
386
Service connections
174
Ownership
local government
Water source
groundwater (wells)

UNION STAR PWS is one of 1,412 community water systems in Missouri in the 500 or fewer people size category, serving 386 people from groundwater.

As of August 1, 2026, its federal record holds 6 entries between 2004 and 2025, of which 1 remains open; none are health-based.

Of the 6, 5 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 Total Coliform Rules, the Lead and Copper Rule, and the Consumer Confidence Rule.

Violation history

  • Notification, Known or Potential LSL

    —

    LEAD AND COPPER RULE REVISIONS

    July 2, 2025

    Unaddressed

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    November 1, 2022 – November 30, 2022

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    October 1, 2007 – July 1, 2008

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    November 1, 2006 – November 30, 2006

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2006 – September 28, 2007

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    February 1, 2004 – February 29, 2004

    Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is UNION STAR PWS required to publish a Consumer Confidence Report?

Yes. UNION STAR 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 UNION STAR PWS’s next Consumer Confidence Report due?

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

Does UNION STAR PWS have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 item for UNION STAR PWS that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

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

STEINER, BARB

816-387-6069

UNION STAR, MO 64494-0000