Danbury
Is Danbury tap water safe to drink?
Use extra caution — Danbury scores 44/100. This report aggregates EPA drinking water data across 1 local system in Danbury. We found 326 total violations (30 unresolved).
Real-Time Environment
Live: 04:15 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Danbury.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Danbury?
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 Danbury tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Danbury tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Danbury, water quality belongs on your due-diligence checklist alongside schools and crime data. With a score of 44/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.
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 Danbury
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Danbury.
Frequently Asked Questions
Is Danbury tap water safe to drink?
Use extra caution — Danbury scores 44/100.
How many water systems serve Danbury?
Danbury is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Danbury?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Danbury.
What is the water quality score for Danbury?
The water quality score for Danbury is 44 out of 100, based on EPA contaminant data, violation history, and testing results across the 1 system serving the city.
What are the top contaminants in Danbury?
The top contaminants detected in Danbury include Lead (90th percentile). View detailed information on our contaminants page.
Danbury Water Quality Summary
Danbury, CT receives a water quality score of 44/100 (Grade F) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Danbury'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.
Danbury's score of 44 is 33 points below the Connecticut state average of 77, and below the nationwide average of roughly 78/100 across all U.S. states.
For families and prospective homebuyers looking at this mid-size city in Connecticut, the poor health evaluation of the local water system warrants close attention. Because Danbury relies on a lone water utility operating within the Northeast's dense, older coastal and suburban infrastructure, systemic delivery and contamination challenges are a constant concern. Consequently, households in this community may need to be proactive about monitoring their tap water and utilizing home filtration solutions to address these infrastructure-related safety deficiencies.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Connecticut water quality rankings report →
Key Contaminants
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Water Systems Serving Danbury (1)
Check Your Specific Address
Water quality can vary by neighborhood in Danbury.
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