Public Water Partners

SOUTHWEST CITY, MO · McDonald County

MC DONALD COUNTY PWSD 3 Water System

Consumer Confidence Report status

MC DONALD COUNTY PWSD 3 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 MC DONALD COUNTY PWSD 3.

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)
MO5021168
System type
Community Water System
Population served
600
Service connections
358
Ownership
local government
Water source
groundwater (wells)

MC DONALD COUNTY PWSD 3 is one of 489 community water systems in Missouri in the 501 to 3,300 people size category, serving 600 people from groundwater.

As of August 1, 2026, its federal record holds 1 entry in 2010, all of which EPA lists as closed. Nothing has been added since 2010.

None of the 1 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-based

    Gross Alpha, Excl. Radon and U

    April 1, 2010 – March 31, 2011

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is MC DONALD COUNTY PWSD 3 required to publish a Consumer Confidence Report?

Yes. MC DONALD COUNTY PWSD 3 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 MC DONALD COUNTY PWSD 3’s next Consumer Confidence Report due?

MC DONALD COUNTY PWSD 3’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does MC DONALD COUNTY PWSD 3 have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for MC DONALD COUNTY PWSD 3.

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

PECK, CRAIG

417-762-7167

SOUTHWEST CITY, MO 64863-0000