Drinking Water Compliance OS

CHAMOIS, MO · Osage County

CHAMOIS PWS 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)
MO3010155
System type
Community Water System
Population served
396
Service connections
240
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    September 1, 2023 – September 30, 2023

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    April 1, 2023 – April 30, 2023

    Resolved
  • Treatment Technique No Certif. Operator

    Health-based

    Stage 1 Disinfectants and Disinfection Byproducts Rule

    November 23, 2022 – January 8, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2021 – December 31, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2021 – December 31, 2023

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2019 – November 25, 2019

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Contact

SLUSSER, MARIE

573-616-8404

CHAMOIS, MO 65024-0000