Water Quality in Waukesha, WI (53188)
EPA violation data for public water systems serving ZIP code 53188.
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.
34,892
Population
60
Water Systems
77
Violations (5yr)
54
Health-Based
Location
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Water Systems Serving This Area (60)
Waukesha Water Utility
54 health-basedMenomonee Park 3 Family Camp Ground
Nashotah Park
All resolvedRiverglen Christian Church
Mukwonago Park Bathroom Bldg
Minooka Park Picnic Area # 5
Minooka Park Picnic Area # 1 & 2
Mukwonago County Park - Picnic Area 1 & 2
Menomonee Park New Office Bldg
Five Fields Plaza
Menomonee Park 1 Office And Rec Bldg
Rockwood Church
Church Of Christ
All resolvedFoolerys Liquid Therapy
Mukwonago Co Park Bath House
Wonderland Tap
St Michaels Anglican Church
Northview Facility
Mukwonago Co Park Cmpgd
Nagawaukee Pk Beach House W1
Mukwonago Co Park Picnic
Menomonee Park 2 Beach House
Schoenstatt Sisters Of Mary
Nagawaukee Park Picnic Area 5
All resolvedAmerican Transmission Company
Boehnens On The Rocks
Waukesha Christian Academy
Taste Of Italy
Minooka Park Picnic Area # 3
Nagawaukee Golf Course W5
Nagawaukee Grp Cmpgd W4
Nagawaukee Pk Pewaukee Lake Access W6
All resolvedMenomonee Park 4 Camp Pow Wow
Culvers Of Wales
Retzer Nature Center Maintenance Building
Nagawaukee Pk Office W9
Retzer Nature Center
Wern Valley Sportsmens Club
Mukwonago Co Park Hdqtrs
Fox River Park - Office
Fox River Park Shelters
Fox River Park - Toilet Building
Lawrence Center
Nagawaukee Pk Picnic Area 1 & 2
All resolvedAnglers Bar & Grill Campground Well 1
Anglers Bar & Grill Campground Well 2
Nemahbin Lake Access
Wanaki Golf Course Clubhouse
Muskego Park Picnic
Nagawaukee Pk Grp Picnic W8
Menomonee Park Picnic Shelter 1
All resolvedMenomonee Park Picnic Shelter 2 & 3
All resolvedMuskego Park Hdqtrs
Muskego Park Shelter Bldg
Wi Bell Inc Waukesha
Muskego Park Beach
Lake Country Trail - West
Nagawaukee Pk Family Camp W3
All resolvedAnglers Bar & Grill
Good Shepherd Lutheran Corp
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Sep 2025
How Does This Compare?
Waukesha (53188) has more violations than 95% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 77.
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.