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

COUNTY WATER-SYSTEM LEDGER

Hamilton, Ohio

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

Systems9active CWS · pop. 2,500+
Population served827,862reported total; may overlap
Current violation flag55.6%5 systems
Serious-violator flag11.1%1 systems

01 / SYSTEMS

Water systems serving Hamilton

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

Water systemPopulation servedPrimary sourceCurrent export status
Cincinnati Public Water SystemOH3102612750,200Surface waterNo current violation flagged
Norwood City PWSOH310170319,870Surface water purchasedOther current violation flag
Indian Hill City PWSOH310111215,000Ground waterNo current violation flagged
Harrison City PWSOH310081211,600Ground waterOther current violation flag
Wyoming City PWSOH31022129,700Ground waterNo current violation flagged
Reading City PWSOH31018129,506Surface water purchasedCurrent serious-violator flag
Cleves Village PWSOH31005126,000Ground waterCurrent monitoring/reporting flag
Lockland Village PWSOH31012123,486Ground waterNo current violation flagged
Glendale Village PWSOH31007122,500Ground waterOther current violation flag

02 / SOURCE MIX

Surface water1 systems · 750,200 served
Ground water6 systems · 48,286 served
Surface water purchased2 systems · 29,376 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.