Water Quality in Fontana, WI (53125)
EPA violation data for public water systems serving ZIP code 53125.
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 67% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
1,898
Population
12
Water Systems
10
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (12)
Fontana Waterworks System 2 South
Fontana Water Utility
1 health-basedCountry Club Estates Water Users Coop
Lake Geneva Yacht Club
Lake Geneva Country Club Clubhouse
All resolvedShore Haven Lake Assn
Big Foot Country Club
Oak Shores Club
All resolvedMulligans Pub & Grill
Fontana Country Inn Suites
Lollee Pop Deli
Lake Geneva Highlands
All resolvedContaminants Found
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Fontana (53125) has more violations than 67% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 10.
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.