Water Quality in Madison, WI (53559)
EPA violation data for public water systems serving ZIP code 53559.
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 48% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
6,110
Population
14
Water Systems
4
Violations (5yr)
1
Health-Based
Location
Loading map...
Water Systems Serving This Area (14)
Madison Water Utility
1 health-basedWatertown Waterworks
All resolvedMarshall Waterworks
Immanuel Evangelical Lutheran
Oaks Cottage Grove Golf Dev
Statz Brothers Inc
Easy Landing
New York Center
Maxs Tavern
Barrel Inn
Baily Farms Llc
Langer Park
Long Island Farm #956
Long Island Farm Inc 516
Contaminants Found
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Madison (53559) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 4.
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.