Water Quality in Janesville, WI (53563)
EPA violation data for public water systems serving ZIP code 53563.
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 62% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
11,280
Population
31
Water Systems
8
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (31)
Janesville Water Utility
Beloit City Of
All resolvedWatertown Waterworks
All resolvedMilton Waterworks
Milton Koa Rv Resort
Oak Ridge Golf Course
Fulton Utility District
1 health-basedVfw Post 9403
59ers Driving Range
Oak Ridge - Bonnie Meade Golf Course
Milton Koa Shower House
Consolidated School
Buckhorn Supper Club
Milton Roadhouse
Red Zone Pub & Grill
Lucys Hideaway
Lakeland Rv Center & Campground
Harmony School
J Rs Pub
Pettits Lakeview Lodge
Pettits Lakeview Lodge - Beach Club
Freedom Graphic Systems Inc
Woodland Christian School
Camp Wakonda
Lakeview Lodge
Barts Standard Service
Fredrick Residence
Lakeview Lodge Cmpgd - South
Blts Cafe
Cameo Bethesda Chapel
Boston Farms Inc
Contaminants Found
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Sep 2025
How Does This Compare?
Janesville (53563) has more violations than 62% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 8.
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.