COUNTY WATER-SYSTEM LEDGER
La Crosse, Wisconsin
EPA’s September 2026 export lists 4 active community water systems serving La Crosse, Wisconsin, with 1 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 La Crosse, Wisconsin
EPA associates 4 covered systems with La Crosse, Wisconsin; their reported population-served values total 86,192 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 |
|---|---|---|---|
| La Crosse WaterworksWI6320309 | 53,000 | Ground water | No current violation flagged |
| Onalaska WaterworksWI6320327 | 18,000 | Ground water | No current violation flagged |
| Holmen WaterworksWI6320306 | 10,147 | Ground water | Other current violation flag |
| West Salem WaterworksWI6320334 | 5,045 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for La Crosse, Wisconsin
EPA classifies 4 systems serving La Crosse, Wisconsin across 1 primary-source categories; Ground water is the largest category with 4 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.