Water Quality in Oshkosh, WI (54952)
EPA violation data for public water systems serving ZIP code 54952.
Active Health Violations
3 health-based violations 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 72% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
27,312
Population
21
Water Systems
13
Violations (5yr)
3
Health-Based
Location
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Water Systems Serving This Area (21)
Oshkosh Waterworks
1 health-basedNeenah Waterworks
Fox Crossing Utilities West
1 health-basedMenasha Elec & Water Util
Harrison Utilities - Fka Waverly Sd
Ridgeway Bp
All resolvedHarrison Vil Of Athletic Field
Waucousta Food Mart
Lake Park Pub
Francis Schneider - Pres
Jackson Mobil
Hollandtown Bp
Bobbers Bar
1 health-basedElizabeth Weinandt
Center Em Methodist Church
Promised Sunrise House
Hart Park
Shady Rest Tavern
Second Street Well
Promised Sunrise South
Hollandtown Minimart Llc
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Approaching limitSampled: Jun 2025
How Does This Compare?
Oshkosh (54952) has more violations than 72% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 13.
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
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) 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.