Water Quality in Janesville, WI (53511)
EPA violation data for public water systems serving ZIP code 53511.
Active Health Violations
10 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 74% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
48,701
Population
67
Water Systems
15
Violations (5yr)
10
Health-Based
Location
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Water Systems Serving This Area (67)
Janesville Water Utility
Beloit City Of
All resolvedRoger Cardoni
Luther Valley Church
Fairbanks Morse Engine Div
1 health-basedSte Well 1
1 health-basedButterfly Supper Club
Beloit Youth Sports Complex
Riverside Mobil
Beloit Club
Vfw Post 2306
Captain Jack Hansons
Country Club Of Beloit
Benedettis Club 51
Shopiere Tap Llc
Gun Club Restaurant
Country Club Of Beloit 3 Se
Country Club Of Beloit 4 Sw
Sophias Restaurant
Turtle Creek Cmpgd - House & Cmpgd
George Denu
Kingdom Hall Of Jehovahs Witnesses
Little Store In The Country The
West Riverside Energy Center
1 health-basedRiverside Energy Center
Boundaries Bar & Grill
Community Of Christ Church
Hog Cabin Saloon
Advanced Disposal Beloit
7 health-basedMary'S Home Cooking
Bootleggers
Shopiere Soda Shoppe
Grace Evangelical Free Church
Shopiere Congregational Church
Alliant Energy & Wp&L Rock River
Kauffmans Country Store
Whiskeys
Beloit Town Hall
Turtle Greens Golf Course
Del Mae Motel
M & I Bank Of Janesville
Turtle Community Center Town Of
Star Zenith Boat Club
Klobucar Construction Co
Camp Birchwood 3
Jerrys Sport Service
Circus Drive In - Residence
Jerrys Sports Service
Heritage Bank Beloit Turtle
Naughty But Nice
Camp Birchwood 1
First Natl Bank Shopiere
Spirits Of 51
Hickory Acres Girl Scout Cmp
Camp Birchwood 2
Toms Service
Preservation Park
Lauterbach Marine Inc
Beloit Mobile Home Park
Turtle Creek Cmpgd - Rec Room
Turtle Town Service Center
Frans Wild Cat Gas & Grocery
Olsons Grocery
Thorns Golf Cars
Tiffany Store
Circus Drive In
Townview Elementary School
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Janesville (53511) has more violations than 74% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 15.
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.