Public Water Partners

MOUNT VERNON, OH · Knox County

MOUNT VERNON CITY PWS Water System

Consumer Confidence Report status

MOUNT VERNON CITY PWS must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show 1 item for MOUNT VERNON CITY PWS that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
OH4200812
System type
Community Water System
Population served
16,990
Service connections
7,348
Ownership
privately owned
Water source
groundwater (wells)

MOUNT VERNON CITY PWS is one of 180 community water systems in Ohio in the 10,001 to 100,000 people size category, serving 16,990 people from groundwater.

As of August 1, 2026, its federal record holds 5 entries between 1992 and 2025, of which 1 remains open; none are health-based.

Of the 5, 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules, the Consumer Confidence Rule, and the Lead and Copper Rule.

Violation history

  • Consumer Confidence Report Inadequate Reporting

    —

    Consumer Confidence Rule

    December 11, 2025

    Unaddressed

  • Notification, Known or Potential LSL

    —

    LEAD AND COPPER RULE REVISIONS

    July 2, 2025 – November 17, 2025

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1996 – August 31, 1996

    Resolved

  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    October 1, 1992 – October 31, 1992

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 1992 – October 31, 1992

    Resolved

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

Enforcement actions

Common questions

Is MOUNT VERNON CITY PWS required to publish a Consumer Confidence Report?

Yes. MOUNT VERNON CITY PWS is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is MOUNT VERNON CITY PWS’s next Consumer Confidence Report due?

MOUNT VERNON CITY PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does MOUNT VERNON CITY PWS have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 item for MOUNT VERNON CITY PWS that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

REINHART, AARON

740-393-9504

MOUNT VERNON, OH 43050