COUNTY WATER-SYSTEM LEDGER
Knox, Ohio
EPA’s September 2026 export lists 3 active community water systems serving Knox, Ohio, with 2 current-violation flags and 0 serious-violator flags among the covered systems.
Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026
01 / SYSTEMS
Water systems serving Knox, Ohio
EPA associates 3 covered systems with Knox, Ohio; their reported population-served values total 27,348 and may overlap.
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Mount Vernon City PWSOH4200812 | 16,990 | Ground water | Other current violation flag |
| Knox County Water And Wastewater PWSOH4202012 | 7,710 | Ground water | Other current violation flag |
| Fredericktown VillageOH4200212 | 2,648 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Knox, Ohio
EPA classifies 3 systems serving Knox, Ohio across 1 primary-source categories; Ground water is the largest category with 3 systems.
It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.