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

COUNTY WATER-SYSTEM LEDGER

Rock, Wisconsin

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 served117,895reported total; may overlap
Current violation flag20.0%1 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Rock

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

Water systemPopulation servedPrimary sourceCurrent export status
Janesville Water UtilityWI154012764,415Ground waterNo current violation flagged
Beloit City OfWI154011236,677Ground waterNo current violation flagged
Evansville WaterworksWI15400475,703Ground waterNo current violation flagged
Milton WaterworksWI15401305,588Ground waterNo current violation flagged
Edgerton WaterworksWI15401195,512Ground waterOther current violation flag

02 / SOURCE MIX

Ground water5 systems · 117,895 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.