COUNTY WATER-SYSTEM LEDGER
Jefferson, Ohio
EPA’s September 2026 export lists 6 active community water systems serving Jefferson, Ohio, with 5 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 Jefferson, Ohio
EPA associates 6 covered systems with Jefferson, Ohio; their reported population-served values total 46,568 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 |
|---|---|---|---|
| Steubenville, City OfOH4102411 | 17,000 | Surface water | Current health-based flag |
| Jefferson Co W And S District - MOH4101103 | 13,983 | Surface water purchased | Other current violation flag |
| Toronto PWSOH4102811 | 5,676 | Surface water | No current violation flagged |
| Wintersville Village PWSOH4103003 | 3,924 | Surface water purchased | Other current violation flag |
| Mingo Junction PWSOH4101612 | 3,350 | Ground water | Other current violation flag |
| Jefferson Co W And S District- AOH4100803 | 2,635 | Ground water purchased | Other current violation flag |
02 / SOURCE MIX
Primary water sources for Jefferson, Ohio
EPA classifies 6 systems serving Jefferson, Ohio across 4 primary-source categories; Surface 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.