Drinking Water Compliance OS

LADDONIA, MO · Audrain County

LADDONIA PWS Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
MO2010438
System type
Community Water System
Population served
511
Service connections
247
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2025

    Unaddressed
  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    Groundwater Rule

    August 1, 2025 – August 31, 2025

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2025 – November 25, 2025

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2023 – November 1, 2023

    Resolved
  • Treatment Technique No Certif. Operator

    Health-based

    Stage 1 Disinfectants and Disinfection Byproducts Rule

    April 29, 2021 – May 27, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2021 – December 31, 2021

    Resolved
  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    Groundwater Rule

    July 1, 2020 – July 31, 2020

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2015 – August 12, 2016

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2012 – October 25, 2013

    Resolved
  • Treatment Technique No Certif. Operator

    Health-based

    Stage 1 Disinfectants and Disinfection Byproducts Rule

    October 26, 2011 – May 22, 2012

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2011 – February 19, 2013

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2010 – February 19, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 31, 1983 – October 30, 1984

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 31, 1982 – October 30, 1983

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 31, 1981 – October 30, 1982

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 31, 1979 – October 30, 1981

    Archived

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

No enforcement actions on record for this system.

Contact

CRAFT, EDDY

573-373-9228

LADDONIA, MO 63352-0000