Water Quality in Waukesha, WI (53183)
EPA violation data for public water systems serving ZIP code 53183.
Active Health Violations
57 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 94% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
3,111
Population
31
Water Systems
75
Violations (5yr)
57
Health-Based
Location
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Water Systems Serving This Area (31)
Waukesha Water Utility
54 health-basedKettle Moraine High School & Wales Elem School
1 health-basedBrandybrook Subdivision
1 health-basedMagee Elementary
Cushing Elementary
Bethlehem Lutheran Church & Preschool
All resolvedKettle Moraine Plaza
Wales Community Park Soccer Building
Wales Community Park Sports Field
Walgreens - Wales
Wales Lawn & Garden Inc
Sports Page
Wales Quick Lube & Car Wash
Md Saloon
Wee Know Nursery School In Wales
Cornerstone Restaurant
1 health-basedJerusalem Presbyterian Church
Wales-Genessee Fire Department
Legend At Brandybrook Gc
All Saints Lutheran Church Elca
Great Mission Church
Leducs Frozen Custard
Bethlehem Lutheran Parsonage
Kummrow, Dick - Private Residence
Wilkes Auto Service
Wales Firemans Memorial Park
Wales Elementary
Summit Ave Professional Bldg
Kettle Moraine School District Ofc
Brandy Brook Center
Ethan Allen School
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Sep 2025
How Does This Compare?
Waukesha (53183) has more violations than 94% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 75.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.