New Haven
Is New Haven tap water safe to drink?
Mostly yes — New Haven scores 90/100. This report aggregates EPA drinking water data across 1 local system in New Haven. We found 0 total violations (0 unresolved).
Real-Time Environment
Live: 02:30 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in New Haven.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in New Haven?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filter or no filter for New Haven water? Here's what the data says.
Baby Formula Safety
What new parents in New Haven should know about tap water safety.
Homebuyer's Perspective
Water quality is easy to overlook when evaluating a move to New Haven, but it can affect plumbing longevity and appliance lifespan. The high safety score (90/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Residents should monitor Uranium levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for New Haven
Based on EPA SDWIS violation records and contaminant test results for all water systems serving New Haven.
Frequently Asked Questions
Is New Haven tap water safe to drink?
Mostly yes — New Haven scores 90/100.
How many water systems serve New Haven?
New Haven is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in New Haven?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for New Haven.
What is the water quality score for New Haven?
The water quality score for New Haven is 90 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.
What are the top contaminants in New Haven?
The top contaminants detected in New Haven include Uranium, Perchlorate, Barium. View detailed information on our contaminants page.
New Haven Water Quality Summary
New Haven, CT receives a water quality score of 90/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
New Haven'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.
New Haven's score of 90 is 10 points above the Connecticut state average of 80, and above the nationwide average of roughly 78/100 across all U.S. states.
Prospective homebuyers looking at New Haven, Connecticut, will find that this large coastal city's single water system delivers high-performing tap water. While navigating the dense, older urban and suburban infrastructure typical of the Northeast often presents distribution challenges, the local supply consistently achieves excellent quality marks. This reliable performance provides peace of mind for daily household use, demonstrating that the community's water remains clean and well-managed.
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 New Haven (1)
Check Your Specific Address
Water quality can vary by neighborhood in New Haven.
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Compare New Haven water quality: View all states · Contaminant library · How we score water quality