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

COUNTY WATER-SYSTEM LEDGER

Marathon, Wisconsin

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

Systems7active CWS · pop. 2,500+
Population served78,421reported total; may overlap
Current violation flag57.1%4 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Marathon

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

Water systemPopulation servedPrimary sourceCurrent export status
Wausau WaterworksWI737010239,994Ground waterNo current violation flagged
Weston Municipal UtilitiesWI737016316,000Ground waterNo current violation flagged
Kronenwetter Water & Sewer UtilityWI73717006,931Ground waterOther current violation flag
Rib Mountain Water UtilityWI73706606,398Ground waterNo current violation flagged
Mosinee WaterworksWI73701593,406Ground waterOther current violation flag
Rothschild WaterworksWI73701613,190Ground waterOther current violation flag
Abbotsford WaterworksWI73701482,502Ground waterCurrent monitoring/reporting flag

02 / SOURCE MIX

Ground water7 systems · 78,421 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.