CITY WATER-SYSTEM LEDGER
Green Bay, Wisconsin
EPA’s September 2026 export lists 5 active community water systems serving Green Bay, Wisconsin, with 0 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 Green Bay, Wisconsin
EPA associates 5 covered systems with Green Bay, Wisconsin; their reported population-served values total 176,870 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 |
|---|---|---|---|
| Green Bay WaterworksWI4050356 | 107,369 | Surface water | No current violation flagged |
| Howard WaterworksWI4050468 | 21,133 | Surface water purchased | No current violation flagged |
| Ashwaubenon WaterworksWI4050456 | 17,730 | Surface water purchased | No current violation flagged |
| Bellevue WaterworksWI4050459 | 16,715 | Surface water purchased | No current violation flagged |
| Allouez WaterworksWI4050455 | 13,923 | Surface water purchased | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Green Bay, Wisconsin
EPA classifies 5 systems serving Green Bay, Wisconsin across 2 primary-source categories; Surface water is the largest category with 1 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.