Water Quality in Waukesha, WI (53045)
EPA violation data for public water systems serving ZIP code 53045.
Active Health Violations
55 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.
23,329
Population
59
Water Systems
75
Violations (5yr)
55
Health-Based
Location
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Water Systems Serving This Area (59)
Waukesha Water Utility
54 health-basedBrookfield Zone 3 Mission Hgts
Town Of Brookfield San Dist 4
All resolvedBrookfield Zone 2 Dominic Hgts
Brookfield Zone 2 Carriage Hills
Elmbrook Memorial Hospital
Burger King
St John Vianney Church & School
Brookfield Lutheran Church
Elmbrook- Lake Country
1 health-based41 Twin Outdoor Theater North
41 Twin Outdoor Theater South
Brookfield Academy
Brookfield Zone 3 Arrowhead & Stonebrook
Woodland Health Center
Eliots Diner
Sugar Shack
St Dominic School
Jack Safro Toyota Inc
Brookfield Academy - Middle School
Ruby Isle Mobil Service
Camp 10 Ski Area
All resolvedGrandmas House Day Care
Brook Club The
Brookfield Central H S
Brookfield United Methodist
Shamrock Mobil Mart
North Hills Drive Townhouses
Northbrook Building
Imperial Service Center
Sabellas Pub
Regency Court 225 & 245
Jack Safro Pre-Owned Cars
Regency Court 220 & 240
Side Trak
Capitol Standard Service
Wongs Wok
St Elizabeth Nursing Home
Midland Place Water Trust
Christ The Lord Lutheran School
Anita Tilton Water Trust
Jack Safro Truck Center
Planks Texaco Service
Harolds Leilani Motel
Regency Court 280
Sunset Slope Water Trust
C B S Building
Brookfield La Belle Restaurant
Camp Ten Ski Hill
Soerens Ford Inc
Jeffords Motor Car Co Inc 2
Stolls Tavern
Teal Ridge Condominiums
Regency Court 260
Nemcek Office Ctr
Ccb Sc
Ciros Restaurant
Wilderness Court Condos
Jeffords Motor Car Co Inc
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: Jun 2025
How Does This Compare?
Waukesha (53045) 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
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.