COUNTY WATER-SYSTEM LEDGER
Highland, Ohio
EPA’s September 2026 export lists 3 active community water systems serving Highland, Ohio, with 1 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 Highland, Ohio
EPA associates 3 covered systems with Highland, Ohio; their reported population-served values total 39,671 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 |
|---|---|---|---|
| Highland County Water Company, Inc.OH3600514 | 28,421 | Ground water | No current violation flagged |
| Hillsboro CityOH3600614 | 6,650 | Surface water | Other current violation flag |
| Greenfield Village PWSOH3600312 | 4,600 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Highland, Ohio
EPA classifies 3 systems serving Highland, Ohio across 2 primary-source categories; Ground water is the largest category with 2 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.