COUNTY WATER-SYSTEM LEDGER
Johnston, North Carolina
EPA’s September 2026 export lists 8 active community water systems serving Johnston, North Carolina, with 0 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 Johnston, North Carolina
EPA associates 8 covered systems with Johnston, North Carolina; their reported population-served values total 195,353 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 |
|---|---|---|---|
| Johnston Co-WestNC0351070 | 99,027 | Surface water | No current violation flagged |
| Clayton, Town OfNC0351020 | 30,876 | Surface water purchased | No current violation flagged |
| Johnston Co-EastNC4051018 | 25,212 | Surface water | No current violation flagged |
| Smithfield, Town OfNC0351010 | 12,900 | Surface water | No current violation flagged |
| Flowers PlantationNC0351195 | 11,643 | Surface water purchased | No current violation flagged |
| Selma, Town OfNC0351015 | 6,190 | Ground water | No current violation flagged |
| Benson, Town OfNC0351025 | 4,802 | Surface water purchased | No current violation flagged |
| Town Of Clayton - NorthNC4051019 | 4,703 | Surface water purchased | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Johnston, North Carolina
EPA classifies 8 systems serving Johnston, North Carolina across 3 primary-source categories; Surface 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.