COUNTY WATER-SYSTEM LEDGER
Winnebago, Wisconsin
EPA’s September 2026 export lists 8 active community water systems serving Winnebago, Wisconsin, with 3 current-violation flags and 0 serious-violator flags among the covered systems.
Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026
01 / SYSTEMS
Water systems serving Winnebago, Wisconsin
EPA associates 8 covered systems with Winnebago, Wisconsin; their reported population-served values total 140,643 and may overlap.
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 |
|---|---|---|---|
| Oshkosh WaterworksWI4710457 | 63,000 | Surface water | No current violation flagged |
| Neenah WaterworksWI4710348 | 27,506 | Surface water | No current violation flagged |
| Menasha Elec & Water UtilWI4710334 | 15,144 | Surface water | Other current violation flag |
| Fox Crossing Utilities WestWI4710358 | 14,000 | Ground water | Other current violation flag |
| Fox Crossing Utilities EastWI4710453 | 10,927 | Surface water purchased | Other current violation flag |
| Algoma Tn Sanitary Dist 1WI4711611 | 3,935 | Ground water | No current violation flagged |
| Omro WaterworksWI4710357 | 3,629 | Ground water | No current violation flagged |
| Winneconne WaterworksWI4710354 | 2,502 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Winnebago, Wisconsin
EPA classifies 8 systems serving Winnebago, Wisconsin across 3 primary-source categories; Surface water is the largest category with 3 systems.
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.