Water Quality in Madison, WI (53597)
EPA violation data for public water systems serving ZIP code 53597.
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 78% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
21,426
Population
36
Water Systems
19
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (36)
Madison Water Utility
1 health-basedWaunakee Waterworks
All resolvedWestport Water Utility
Wi Dnr Gov Nelson 3 Office & Shop
All resolvedMadison Country Day School
All resolvedWillowbrook Country Store
Stop N Go 257
Inspire Early Childhood Original
First Presbyterian Church
Dons Mobile Manor
St Mary Of The Lake
Over N Under Bar & Grill
Inspire Early Childhood Addition
Whitehouse, The
Drumlin Ridge Winery
Waunakee Baptist Church
Gametime Sports Bar & Grill
Willows Tavern
Wi Dnr Gov Nelson 2 Beach & Fish Building
Patriot Park
All resolvedWestport Bishops Bay Area
All resolvedCarl F Statz & Sons
Whippoorwill Tavern
Coop Service Inc
Christian Life Assembly Of God
Pharo Marine
Howling Dog Saloon
Westport Tn Hall Garage
Homestead Tavern
Missouri Tavern
Moon Valley Resort
Westport Tn Hall Administration
Zeier Property - Westport
Meffert Dental Office
American Legion/Taylors Liquor Store
Lake Wi 2
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Sep 2025
How Does This Compare?
Madison (53597) has more violations than 78% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 19.
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.