EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

COUNTY WATER-SYSTEM LEDGER

Johnston, North Carolina

Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems8active CWS · pop. 2,500+
Population served195,353reported total; may overlap
Current violation flag0.0%0 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Johnston

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
Johnston Co-WestNC035107099,027Surface waterNo current violation flagged
Clayton, Town OfNC035102030,876Surface water purchasedNo current violation flagged
Johnston Co-EastNC405101825,212Surface waterNo current violation flagged
Smithfield, Town OfNC035101012,900Surface waterNo current violation flagged
Flowers PlantationNC035119511,643Surface water purchasedNo current violation flagged
Selma, Town OfNC03510156,190Ground waterNo current violation flagged
Benson, Town OfNC03510254,802Surface water purchasedNo current violation flagged
Town Of Clayton - NorthNC40510194,703Surface water purchasedNo current violation flagged

02 / SOURCE MIX

Surface water3 systems · 137,139 served
Surface water purchased4 systems · 52,024 served
Ground water1 systems · 6,190 served
How to read the population total

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.