Drinking Water Compliance OS

HANNIBAL, MO · Ralls County

RALLS COUNTY PWSD 1 Water System

Current status

No open violations on record as of July 4, 2026.

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)
MO2024499
System type
Community Water System
Population served
7,662
Service connections
2,953
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2023 – March 31, 2023

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2022 – December 31, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2022 – September 30, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2022 – June 30, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2020 – December 31, 2020

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2020 – September 30, 2020

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2020 – June 30, 2020

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    April 1, 2017 – April 30, 2017

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2017 – March 31, 2017

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    May 1, 2013 – May 31, 2013

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Contact

STUHLMAN, TYLER

573-221-6615

HANNIBAL, MO 63401-0000