Water quality in Thiensville, Wisconsin
Thiensville is in Ozaukee County. 250 active public water systems serve the county; 62 had an EPA violation in the past three years.
Most likely your provider
Your location is within the outer bounds of this system's EPA service area.
Other community water systems in Ozaukee County
47 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Woodridge Estates Mequon |
100 | 3 | 2.5 mi | |
| Laurel Lakes 508 Thiensville |
50 | 2 | 2.9 mi | |
| Laurel Lakes 608 Thiensville |
80 | 2 | 3.0 mi | |
| Waters Edge Condominium Association Thiensville |
50 | 1 | 3.0 mi | |
| Heidel RD Apts 139 Thiensville |
40 | 3 | 3.1 mi | |
| Cedarburg L & W Commission Cedarburg |
12,500 | 0 | 3.1 mi | |
| Village Glen Apts Thiensville |
30 | 0 | 3.1 mi | |
| Westchester Lakes Subdivision Mequon |
300 | 0 | 3.2 mi | |
| Williamsburg 220 Thiensville |
32 | 0 | 3.2 mi | |
| Grand Ave Apartments Thiensville |
80 | 0 | 3.2 mi | |
| Linden Lane Apts 141 Thiensville |
75 | 2 | 3.2 mi | |
| Heidel RD Apts 152 Thiensville |
40 | 2 | 3.2 mi | |
| Alberta Subdivision Thiensville |
75 | 1 | 3.3 mi | |
| Williamsburg 206 Thiensville |
48 | 2 | 3.3 mi | |
| Village Heights Thiensville |
130 | 2 | 3.5 mi | |
| Brighton Ridge Subdivision Mequon |
200 | 0 | 3.5 mi | |
| River Garden Apts Thiensville |
25 | 4 | 3.5 mi | |
| Mequon on the Square Condominium Owners Association INC Mequon |
110 | 0 | 3.6 mi | |
| Century Estates 1 Thiensville |
130 | 0 | 3.7 mi | |
| Mequon Water Utility Mequon |
11,152 | 0 | 3.9 mi | |
| Huntington Park Mequon |
600 | 0 | 4.0 mi | |
| Pines Subdivision Mequon |
200 | 2 | 4.0 mi | |
| Haddonstone Subdivision Mequon |
195 | 0 | 4.0 mi | |
| Country Terrace Condo Homes Mequon |
160 | 0 | 4.0 mi | |
| Mequon Parc Apartments LLC Mequon |
60 | 1 | 4.0 mi |
Non-community systems in Ozaukee County (202: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Ozaukee County, nearest to Thiensville first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau place files.
Town locations and ZIP code areas come from U.S. Census Bureau 2020 files.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Wisconsin records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.