Public water system · OH4200812
ActiveMount Vernon City Pws
Community water system in Knox County, Ohio, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
16,990
Service connections
7,348
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-12-11 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 1996-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1992-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1992-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 5 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Mount Vernon City Pws: frequently asked questions
Is Mount Vernon City Pws's water safe to drink?
Mount Vernon City Pws is an active community water system regulated under the Safe Drinking Water Act, overseen by the OH state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Mount Vernon City Pws?
Mount Vernon City Pws (PWSID OH4200812) is a private-owned community water system, regulated by the OH state drinking water program.
How many people does Mount Vernon City Pws serve?
Mount Vernon City Pws reports serving 16,990 people through 7,348 service connections in Knox County, Ohio.
Where does Mount Vernon City Pws get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Knox County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Knox County Water and Wastewater Pws | Knox | 7,710 | Community | Groundwater |
| Fredericktown Village | Knox | 2,648 | Community | Groundwater |
| Gambier Village Pws | Knox | 2,300 | Community | Purchased groundwater |
| Danville Village Pws | Knox | 994 | Community | Groundwater |
| Rustic Knolls Campground | Knox | 600 | Transient non-community | Groundwater |
| Christ the King Community Church Pws | Knox | 300 | Transient non-community | Groundwater |
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