WaterQ
Connecticut State Report All States
Official Status: March 2026

Is New Haven tap water safe to drink?

✓ Generally Safe
A

Mostly yes — New Haven scores 90/100.

Safety Score
90
out of 100

Still not sure if you need a filter in New Haven?

Read Decision Guide →

New Haven

Connecticut

View Connecticut state report Verified: Apr 2026

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).

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in New Haven?

Requirement Status
Optional
🟢
💡

Expert Advice

Your water quality is excellent. Standard filtration is optional but can further enhance taste.

Buying a Filter?

Should you buy a water purifier in New Haven? See our analysis.

Baby Formula Safety

Is New Haven tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to New Haven, water quality is a key factor in long-term property maintenance. The high safety score (90/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

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 →

Score Breakdown for New Haven

EPA Compliance & Violations 85/100
Contaminant Safety Margin 90%

*Scores are calculated using weighted EPA monitoring data from the past 5 years.

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 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 New Haven?

The top contaminants detected in New Haven include Uranium, Perchlorate, Barium. View detailed information on our contaminants page.

Water Quality Score
90/100
Grade
A
Water Systems
1
Population
418,900

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.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology →

Key Contaminants

Uranium Violation
48.7469 / 30 μg/L
0 μg/L MCL: 30 μg/L
Perchlorate
51.5907 / 56 μg/L
0 μg/L MCL: 56 μg/L
Barium
1.7852 / 2 mg/L
0 mg/L MCL: 2 mg/L
Gross Alpha Particle Activity
6.2363 / 15 pCi/L
0 pCi/L MCL: 15 pCi/L
Mercury
0.7799 / 2 μg/L
0 μg/L MCL: 2 μg/L
Chloramine
0.9966 / 4 mg/L
0 mg/L MCL: 4 mg/L
Total Trihalomethanes
10.6137 / 80 μg/L
0 μg/L MCL: 80 μg/L
Selenium
1.4542 / 50 μg/L
0 μg/L MCL: 50 μg/L

Water Systems Serving New Haven (1)

Related

Compare New Haven water quality: View all states · Contaminant library · How we score water quality