Janesville
Is Janesville tap water safe to drink?
Use extra caution — Janesville scores 30/100. This report aggregates EPA drinking water data across 0 local systems in Janesville. We found 0 total violations (0 unresolved).
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Janesville?
Expert Advice
Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.
Buying a Filter?
Wondering if Janesville tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Janesville tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Janesville, water quality belongs on your due-diligence checklist alongside schools and crime data. With a score of 30/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.
Health & Family Safety
Current records show no major contaminant spikes, making Janesville a preferred choice for health-conscious families.
View Health Risk Glossary →Compliance Record for Janesville
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Janesville.
Frequently Asked Questions
Is Janesville tap water safe to drink?
Use extra caution — Janesville scores 30/100.
How many water systems serve Janesville?
Janesville is served by 0 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Janesville?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Janesville.
What is the water quality score for Janesville?
The water quality score for Janesville is 30 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.
What are the top contaminants in Janesville?
Current contaminant data for Janesville is being updated. Check back soon or search your specific address for the latest results.
Janesville Water Quality Summary
Janesville, IA receives a water quality score of 30/100 (Grade F) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Janesville's water quality score is below the national average, indicating a history of EPA violations or elevated contaminant levels. Residents are encouraged to check their specific water system report and consider additional filtration.
Janesville's score of 30 is 43 points below the Iowa state average of 73, and below the nationwide average of roughly 78/100 across all U.S. states.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Iowa water quality rankings report →
Get notified if Janesville's water quality changes
Free email alert when the EPA reports a new violation or boil-water advisory for your water system. No spam — just the alerts you asked for.
By subscribing you agree to receive occasional water-quality alert emails. Unsubscribe anytime. See our Privacy Policy.
Water Systems Serving Janesville (0)
Water system data coming soon for Janesville.
Check Your Specific Address
Water quality can vary by neighborhood in Janesville.
Related
Quick compare in Iowa
Compare Janesville water quality: View all states · Contaminant library · How we score water quality