COUNTY WATER-SYSTEM LEDGER
Richland, Ohio
EPA’s September 2026 export lists 4 active community water systems serving Richland, Ohio, with 4 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 Richland, Ohio
EPA associates 4 covered systems with Richland, Ohio; their reported population-served values total 72,034 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 |
|---|---|---|---|
| Mansfield CityOH7002914 | 51,000 | Surface water | Other current violation flag |
| Shelby CityOH7004511 | 9,453 | Surface water | Other current violation flag |
| Ontario CityOH7003512 | 6,756 | Ground water | Other current violation flag |
| Lexington VillageOH7002212 | 4,825 | Ground water | Other current violation flag |
02 / SOURCE MIX
Primary water sources for Richland, Ohio
EPA classifies 4 systems serving Richland, Ohio across 2 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.