Madison
Is Madison tap water safe to drink?
Mostly yes — Madison scores 87/100. This report aggregates EPA drinking water data across 2 local systems in Madison. We found 196 total violations (6 unresolved).
Real-Time Environment
Live: 10:30 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Madison.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Madison?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Wondering if Madison tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Madison tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Madison, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (87/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for Madison
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Madison.
Frequently Asked Questions
Is Madison tap water safe to drink?
Mostly yes — Madison scores 87/100.
How many water systems serve Madison?
Madison is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Madison?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Madison.
What is the water quality score for Madison?
The water quality score for Madison is 87 out of 100, based on EPA contaminant data, violation history, and testing results across the 2 systems serving the city.
What are the top contaminants in Madison?
The top contaminants detected in Madison include Lead (90th percentile). View detailed information on our contaminants page.
Madison Water Quality Summary
Madison, IN receives a water quality score of 87/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Madison's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.
Madison's score of 87 is 4 points above the Indiana state average of 83, and above 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 Indiana water quality rankings report →
Key Contaminants
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Water Systems Serving Madison (2)
Check Your Specific Address
Water quality can vary by neighborhood in Madison.
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