COUNTY WATER-SYSTEM LEDGER
Washington, Wisconsin
EPA’s September 2026 export lists 6 active community water systems serving Washington, 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 Washington, Wisconsin
EPA associates 6 covered systems with Washington, Wisconsin; their reported population-served values total 85,396 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 |
|---|---|---|---|
| West Bend WaterworksWI2670120 | 31,752 | Ground water | No current violation flagged |
| Germantown Water UtilityWI2670105 | 20,027 | Ground water | Other current violation flag |
| Hartford WaterworksWI2670110 | 15,805 | Ground water | No current violation flagged |
| Jackson WaterworksWI2670111 | 7,844 | Ground water | Other current violation flag |
| Slinger Water UtilityWI2670116 | 5,659 | Ground water | Other current violation flag |
| Kewaskum WaterworksWI2670112 | 4,309 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Washington, Wisconsin
EPA classifies 6 systems serving Washington, Wisconsin across 1 primary-source categories; Ground water is the largest category with 6 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.