Water Quality in Janesville, WI (53190)
EPA violation data for public water systems serving ZIP code 53190.
Past Health-Based Violations
5 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 16 monitoring/reporting violations.
More violations than 79% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
20,499
Population
41
Water Systems
21
Violations (5yr)
5
Health-Based
Location
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Water Systems Serving This Area (41)
Janesville Water Utility
Beloit City Of
All resolvedWatertown Waterworks
All resolvedWhitewater Waterworks
All resolvedThe Chapel Whitewater
Prop Shop
Wrights Mobile Home Park
All resolvedLakeview School
All resolvedCamp Joy Main Lodge
Camp Joy Bathhouse And Staff Housing
Kettle Moraine Baptist Church & School
Assembly Of God Church
Binggs
Johns Disposal Service Inc
5 health-basedSpring Creek Golf Center
Scharine Group Inc
Scenic Ridge Campground Top Of Hill Well
Learning Depot
Willowbrook Golf Course
Scenic Ridge Campground Basement House Well
Cold Spring Egg Farms Inc
Nelson Bus Service Inc
Wolfs Mobile Homes
All resolvedTri-County Motel
Scenic Ridge Campground Outside Of Store Well
North Lima Presbyterian Church
Scenic Ridge Campground Playground & South Sites
White Hill Inn
Greene House Country Inn
North Walworth Business Center
Hackers Last Resort
Camp Joy Driftwood Village
Channing Well
Lagrange Town Garage & Lagrange United M
Darrs Service
Chapel Hills Lakeside Resort
Trailside Cafe & Quiet Hut Sports
Baron Styles
Dock The
Fuzzy Pig & Heritage Restaurant The
Vymac Corporation - Warehouse
Contaminants Found
A naturally occurring element that can cause cancer and other health effects at high levels.
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Sep 2025
How Does This Compare?
Janesville (53190) has more violations than 79% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 21.
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.