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

COUNTY WATER-SYSTEM LEDGER

Fairfield, Ohio

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

Systems5active CWS · pop. 2,500+
Population served81,222reported total; may overlap
Current violation flag80.0%4 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Fairfield

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

Water systemPopulation servedPrimary sourceCurrent export status
Lancaster City PWSOH230101240,400Ground waterOther current violation flag
Pickerington City PWSOH230151219,141Ground waterOther current violation flag
Fairfield County Utilities PWSOH230191215,486Ground waterNo current violation flagged
Millersport Village PWSOH23012123,200Ground waterOther current violation flag
Baltimore Village PWSOH23001122,995Ground waterOther current violation flag

02 / SOURCE MIX

Ground water5 systems · 81,222 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.