COUNTY WATER-SYSTEM LEDGER
Jefferson, Wisconsin
Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.
Systems6active CWS · pop. 2,500+
Population served57,310reported total; may overlap
Current violation flag50.0%3 systems
Serious-violator flag0.0%0 systems
01 / SYSTEMS
Water systems serving Jefferson
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Watertown WaterworksWI1280044 | 23,945 | Ground water | No current violation flagged |
| Fort Atkinson WaterworksWI1280103 | 12,390 | Ground water | No current violation flagged |
| Jefferson WaterworksWI1280104 | 7,926 | Ground water | Other current violation flag |
| Lake Mills WaterworksWI1280108 | 6,211 | Ground water | Current monitoring/reporting flag |
| Waterloo WaterworksWI1280115 | 3,520 | Ground water | No current violation flagged |
| Johnson Creek WaterworksWI1280107 | 3,318 | Ground water | Other current violation flag |
02 / SOURCE MIX
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.