Drinking Water Compliance OS

COLUMBUS, OH · Madison County

MID-OHIO WSD WATER DISTRICT 1 Water System

Current status

2 items on record are 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 Ohio’s official records. Always confirm current status with Ohio before making decisions based on this information.

System facts

System ID (PWSID)
OH4901012
System type
Community Water System
Population served
5,176
Service connections
47
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Notification, Known or Potential LSL

    LEAD AND COPPER RULE REVISIONS

    July 2, 2025

    Unaddressed
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    September 28, 2023

    Unaddressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2019 – August 31, 2019

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2015 – October 31, 2015

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2014 – November 30, 2014

    Resolved
  • Monitoring, Regular

    Simazine

    July 1, 2002 – September 30, 2002

    Resolved
  • Monitoring, Regular

    Atrazine

    July 1, 2002 – September 30, 2002

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 1996 – March 31, 1996

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 1996 – March 31, 1996

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 1996 – March 31, 1996

    Resolved

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

Enforcement actions

Contact

MCKEE, KYLA M.

740-412-2479

COLUMBUS, OH 43201