COUNTY WATER-SYSTEM LEDGER
Ozaukee, Wisconsin
EPA’s September 2026 export lists 5 active community water systems serving Ozaukee, 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 Ozaukee, Wisconsin
EPA associates 5 covered systems with Ozaukee, Wisconsin; their reported population-served values total 53,042 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 |
|---|---|---|---|
| Port Washington WaterworksWI2460054 | 12,853 | Surface water | No current violation flagged |
| Cedarburg L & W CommissionWI2460108 | 12,500 | Ground water | No current violation flagged |
| Grafton WaterworksWI2460111 | 12,269 | Ground water | No current violation flagged |
| Mequon Water UtilityWI2460112 | 11,152 | Surface water purchased | No current violation flagged |
| Saukville WaterworksWI2460134 | 4,268 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Ozaukee, Wisconsin
EPA classifies 5 systems serving Ozaukee, Wisconsin across 3 primary-source categories; Ground 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.