Water Quality in Granton, WI (54436)
EPA violation data for public water systems serving ZIP code 54436.
Past Health-Based Violations
1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 4 monitoring/reporting violations.
More violations than 53% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
2,203
Population
11
Water Systems
5
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (11)
Granton Waterworks
1 health-basedChrist Ev Lutheran Church
Lynn Dairy Inc
All resolvedZion American Lutheran Church
Butch & Vivians Bar
Buck N Doe Bar And Grill The
Frick Inn Bar And Grill The
Cenex - Hatfield
Roadhouse Bar And Grill
Hilltop Bar And Restaurant
Bjrs - Duplicate
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Approaching limitSampled: Jun 2025
How Does This Compare?
Granton (54436) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5.
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.