Madison
Is Madison tap water safe to drink?
Mostly yes — Madison scores 83/100. This report aggregates EPA drinking water data across 1 local system in Madison. We found 0 total violations (0 unresolved).
Real-Time Environment
Live: 02:45 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
Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.
Buying a Filter?
Should you buy a water purifier in Madison? See our analysis.
Baby Formula Safety
Is Madison tap water safe for infants? Critical safety guide.
Homebuyer's Perspective
For those looking to relocate to Madison, water quality is a key factor in long-term property maintenance. The high safety score (83/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Residents should monitor Haloacetic Acids (HAA5) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Score Breakdown for Madison
*Scores are calculated using weighted EPA monitoring data from the past 5 years.
Frequently Asked Questions
Is Madison tap water safe to drink?
Mostly yes — Madison scores 83/100.
How many water systems serve Madison?
Madison is served by 1 public water system 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 N/A out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.
What are the top contaminants in Madison?
The top contaminants detected in Madison include Haloacetic Acids (HAA5), Atrazine, Gross Alpha Particle Activity. View detailed information on our contaminants page.
Madison Water Quality Summary
Madison, WI receives a water quality score of 83/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 7 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.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology →
Key Contaminants
Water Systems Serving Madison (1)
Check Your Specific Address
Water quality can vary by neighborhood in Madison.
Related
Quick compare in Wisconsin
Compare Madison water quality: View all states · Contaminant library · How we score water quality