Water Quality in Platteville, WI (53818)
EPA violation data for public water systems serving ZIP code 53818.
No Health-Based Violations
None of the 31 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are6 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 57% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
16,024
Population
31
Water Systems
6
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (31)
Platteville Waterworks
Tower Junction
Platteville Golf & Cntry Clb
All resolvedCrossroads Supper Club
All resolvedWisconsin Badger Camp
Community Evangelical Free Church
Calvary Baptist Ch
All resolvedNew Hope Assembly Of God Church
All resolvedElmo Club
Whig United Methodist Church
Lyghthouse Llc
Apostles Lutheran Church
My Tires
Uw Pioneer Farm-Dairy Bldg
Gracies Point
Skyway Precision Inc
Uw Pioneer Farm-Ag Tech Center
My Tires Inc
Gerg Llc
Uw Pioneer Farm-Swine Facility
Weygants Appliance
Denlinger Orthodontic
State National Bank
Clark Bierman Property
C & R Liquor
Banworth & Udelhoven
E A O Corp
St Croix West Apartments
Mt Zion United Ch Of Christ
Masonic Temple Melody Lodge 2
Uw Platteville Living & Learning Center
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Approaching limitSampled: Jun 2025
How Does This Compare?
Platteville (53818) has more violations than 57% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 6, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.