Drinking Water Compliance OS

COLUMBUS, OH · Franklin County

MT AIR IMPROVEMENT CORP Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of November 18, 2021. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Franklin County, OH.

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)
OH2504212
System type
Community Water System
Population served
142
Service connections
48
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    January 22, 2019 – November 18, 2021

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 2015 – June 30, 2015

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2008 – February 29, 2008

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2007 – November 30, 2007

    Resolved
  • Monitoring, Regular

    LASSO

    July 1, 2002 – August 12, 2002

    Resolved
  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    April 1, 1998 – April 30, 1998

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    April 1, 1998 – April 30, 1998

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 1996 – March 31, 1996

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 1993 – December 31, 1993

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 1991 – November 30, 1991

    Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

Last known contact on file (system is inactive)

ASH, WILLIAM R

614-888-9229

COLUMBUS, OH 43235