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

COUNTY WATER-SYSTEM LEDGER

Franklin, Ohio

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

Systems14active CWS · pop. 2,500+
Population served1,484,407reported total; may overlap
Current violation flag42.9%6 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Franklin

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

Water systemPopulation servedPrimary sourceCurrent export status
Columbus Public Water SystemOH25044121,305,946Surface waterNo current violation flagged
Westerville City PWSOH250341139,000Surface waterNo current violation flagged
Reynoldsburg City PWSOH250320337,847Surface water purchasedOther current violation flag
Gahanna City PWSOH250130333,258Surface water purchasedNo current violation flagged
Bexley City PWSOH250010314,250Surface water purchasedOther current violation flag
Jefferson Water And Sewer District PWSOH250401211,294Ground waterOther current violation flag
Canal Winchester City PWSOH25003129,286Ground waterOther current violation flag
Sanitary District #4OH25010038,575Surface water purchasedCurrent monitoring/reporting flag
Aqua Ohio - BlacklickOH25024127,100Ground waterNo current violation flagged
Aqua Ohio - Huber Ridge PWSOH25025125,393Ground waterNo current violation flagged
Aqua Ohio - Lake DarbyOH25026123,562Ground waterNo current violation flagged
Groveport PWSOH25015123,229Ground waterNo current violation flagged
Obetz Village PWSOH25022123,167Ground waterOther current violation flag
Aqua Ohio - Worthington Hills PWSOH25028122,500Ground waterNo current violation flagged

02 / SOURCE MIX

Surface water2 systems · 1,344,946 served
Surface water purchased4 systems · 93,930 served
Ground water8 systems · 45,531 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.