Water Quality in Madison, WI (53594)
EPA violation data for public water systems serving ZIP code 53594.
Active Health Violations
1 health-based violation 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 62% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
5,199
Population
19
Water Systems
8
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (19)
Madison Water Utility
1 health-basedWatertown Waterworks
All resolvedWaterloo Waterworks
All resolvedHubbleton Brewing Taproom & Grill
Crave Brothers Farm Llc - Main System
All resolvedKroghville Oasis
St Johns Lutheran Church
Kuhl Campus
Mckay Nursery Corporate Hdqtrs
All resolvedMckay Nursery Camp 573 Veith Dorms
Waterloo Gun Club
Willes Sidetracked Bar & Grill
Waterloo American Legion Post 233
Crave Brothers Farm - House Well
Mckay Nursery Camp 566/Veith House
Novotnys Lake Campground
Camp 36 - Skalitsky
Mckay Nursery Camp 565 - Gorder Property
Mckay Nursery 574 - Debbert Property
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?
Madison (53594) has more violations than 62% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 8.
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.