COUNTY WATER-SYSTEM LEDGER
Washington, Ohio
EPA’s September 2026 export lists 7 active community water systems serving Washington, 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 Washington, Ohio
EPA associates 7 covered systems with Washington, Ohio; their reported population-served values total 51,021 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 |
|---|---|---|---|
| Marietta City PWSOH8400412 | 18,707 | Ground water | Other current violation flag |
| Little Hocking Water Association, Inc.OH8400212 | 9,892 | Ground water | No current violation flagged |
| Warren Comm W And S Assn 2OH8402703 | 7,215 | Ground water | Other current violation flag |
| Belpre City PWSOH8400012 | 6,441 | Ground water | Other current violation flag |
| Highland Ridge W And S Association IncOH8403203 | 3,022 | Ground water purchased | Other current violation flag |
| Tri-County Rural W And S DistrictOH8403112 | 3,000 | Ground water | No current violation flagged |
| Putnam Community Water Association PWSOH8400712 | 2,744 | Ground water | Other current violation flag |
02 / SOURCE MIX
Primary water sources for Washington, Ohio
EPA classifies 7 systems serving Washington, Ohio across 2 primary-source categories; Ground water is the largest category with 6 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.