Water Quality in Waukesha, WI (53189)
EPA violation data for public water systems serving ZIP code 53189.
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 94% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
26,855
Population
26
Water Systems
70
Violations (5yr)
54
Health-Based
Location
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Water Systems Serving This Area (26)
Waukesha Water Utility
54 health-basedMcdonalds Vernon
Lake Meadows Water Trust
Waukesha Bible Church
Merrill Hills Country Club
Tally'S Tap And Eatery
Sentry Foods
Wisconsin Congregation Of Jehovah Witnesses
Ironwood Golf Course
Nx Level
Merrill Hills Country Club - Pool Well
St Vincent De Paul
Merrill Hills C Club - Maint Bldg & Hardy House
Jcs Wind Lake
Kuenzi Family Pet Hospital
Genesee Center
Fox River Christian Church - Muskego
Bethesda Presbyterian Church
The Local
Morningstar Golfers Club - Holes 6&7
Reddington Building
Coffee Talk Bakery
All resolvedMorningstar Golfers Club - Hole 15
Buddha Haksa
Wales Genesee Lions Club Building
Fox River Christian Church
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Waukesha (53189) has more violations than 94% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 70.
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.