Water Quality in Waukesha, WI (53036)
EPA violation data for public water systems serving ZIP code 53036.
Active Health Violations
54 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 95% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
3,730
Population
35
Water Systems
86
Violations (5yr)
54
Health-Based
Location
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Water Systems Serving This Area (35)
Waukesha Water Utility
54 health-basedWatertown Waterworks
All resolvedAutumn Ridge Water System Llc
All resolvedSt Pauls Ev Lutheran Church
Station Ixonia
Pribnows Maple Inn
Eberts Greenhouse Village - House System
Von Loppys
G & V Machine Co Inc
Eberts Greenhouse Village - Retail Store
Create-A-Pack Foods
St Pauls Lutheran School
Ixonia Bank
Ixonia Pub
Western Waukesha County Dog Training Club
K & S Manufacturing Bldg 1
St Johns Lutheran Church
Casserly Properties
Cross Lutheran Church
Chivaree On The Park & Ixonias Firemens Park
Heattek
St Marks Lutheran Church
Bryant Products Inc
K & S Manufacturing Bldg 2 & 3
Create-A-Pack Foods Maple
Serval Usa
Wi Furniture Industries Residence
Wisconsin Furniture Llc -South Plant
K & S Tool & Die Corp
Valley Motel
All resolvedWeilands Landing
Innovative Picking Technologies, Inc
Morton Buildings, Inc
Town Of Ixonia
Wisconsin Furniture Llc -North Plant
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
At high levels, nitrate can cause blue baby syndrome in infants.
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Sep 2025
How Does This Compare?
Waukesha (53036) has more violations than 95% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 86.
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.
Whole House Carbon Filter
A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.
Targets:Chlorine, Sediment, Taste & Odor
Look for:NSF/ANSI 42 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.