Water Quality in Janesville, WI (53520)
EPA violation data for public water systems serving ZIP code 53520.
No Health-Based Violations
None of the 29 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There is1 monitoring/reporting violation (missed testing deadlines), all resolved.
Better than 29% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
6,687
Population
29
Water Systems
1
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (29)
Janesville Water Utility
Beloit City Of
All resolvedBrodhead Waterworks
Sweet Minnihaha Campground Shower Dump Station
Crazy Horse Campground Store & Pond
Sandburr Family Restaurant
Bluff View Park
Bethany Lutheran Church
Decatur Swiss Cheese Coop
Crazy Horse Campground
Grace Independent Baptist Church
Res/Taylor Creek Nurseries - Business Office
Applied Ecological Services -Farm House
Res/Taylor Creek Nurseries - Warehouse
Pleasant View Mennonite Church
Sweet Minnihaha Cmpgd - E End Site 29
Brodhead Vet Clinic
Sweet Minnihaha Cmpgd - E End Site 53
Sweet Minnihaha Cmpgd - W End Sites 91,
Stella Cheese Plant/Universal Foods Corp
Pastor Bloechl
Sweet Minnihaha Cmpgd - E End Site 9
Swiss Village
David Pryce Residence
Sweet Minnihaha Cmpgd - Site 59
Brodhead Airport
Crazy Horse Mobile Homes
Decatur Lake Golf Course Llc
Magnolia Advent Christian Church
Contaminants Found
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Janesville (53520) has more violations than 29% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 1, 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.