Water quality for ZIP code 53103
ZIP 53103 covers Big Bend in Waukesha County, Wisconsin, one of 26 ZIP codes in the county. 589 active public water systems serve the county; 108 had an EPA violation in the past three years.
Most likely your provider
Other community water systems in Waukesha County
72 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Marlan Meadows Homeowners Assoc Muskego |
210 | 0 | 4.0 mi | |
| Pioneer Centre Muskego |
140 | 4 | 4.0 mi | |
| Willow Glen Apartments Muskego |
80 | 3 | 4.0 mi | |
| Muskego Water Utility Muskego |
8,150 | 3 | 4.6 mi | |
| Norris INC Mukwonago |
141 | 5 | 5.8 mi | |
| Heaven City Mukwonago |
106 | 1 | 6.1 mi | |
| Mukwonago Waterworks Mukwonago |
8,190 | 1 | 6.3 mi | |
| Durham Meadows Water Trust Muskego |
700 | 0 | 6.4 mi | |
| Stoney Creek Adult Community Muskego |
95 | 0 | 6.8 mi | |
| Hale Park Meadows Muskego |
720 | 1 | 7.1 mi | |
| New Berlin Water Utility New Berlin |
27,899 | 1 | 8.8 mi | |
| Waukesha Water Utility Waukesha |
70,718 | 2 | 8.9 mi | |
| Schoenstatt Sisters of Mary Waukesha |
80 | 0 | 9.0 mi | |
| Oakton Beach Pewaukee |
144 | 1 | 9.6 mi | |
| Town of Brookfield San Dist 4 Brookfield |
6,419 | 1 | 10.6 mi | |
| Prairie Village Water Trust North Prairie |
2,100 | 3 | 10.6 mi | |
| Douglas Plaza South Elm Grove |
62 | 3 | 11.1 mi | |
| Hills of Wales Apts Wales |
50 | 2 | 11.7 mi | |
| Brandybrook Subdivision Wales |
474 | 1 | 11.9 mi | |
| Lincolnshire Place Wales |
100 | 0 | 12.2 mi | |
| Apartments of Stoneridge Delafield |
75 | 2 | 12.5 mi | |
| Eagle Waterworks Eagle |
1,950 | 1 | 12.9 mi | |
| Squires Grove Elm Grove |
410 | 3 | 13.1 mi | |
| Marian Heights Subdivision Elm Grove |
400 | 1 | 13.1 mi | |
| Emerald Woods Condos Elm Grove |
150 | 2 | 13.1 mi |
Non-community systems in Waukesha County (516: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Waukesha County, the county this ZIP code lies in, nearest to the ZIP code's centre 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.
ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA 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.