WaterQ
Delaware State Report All States
Official Status: March 2026

Is Newark tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Newark scores 90/100.

Safety Score
90
out of 100

Still not sure if you need a filter in Newark?

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Newark

Delaware

View Delaware state report Data updated: Mar 2026

Is Newark tap water safe to drink?

Mostly yes — Newark scores 90/100. This report aggregates EPA drinking water data across 4 local systems in Newark. We found 105 total violations (31 unresolved).

Real-Time Environment

Live: 05:00 PM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Newark.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Newark?

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 Newark? See our analysis.

→

Baby Formula Safety

Is Newark tap water safe for infants? Critical safety guide.

→

Homebuyer's Perspective

For those looking to relocate to Newark, 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 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 Newark

105
Violations (5yr)
31
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Newark.

Frequently Asked Questions

Is Newark tap water safe to drink?

Mostly yes — Newark scores 90/100.

How many water systems serve Newark?

Newark is served by 4 public water systems in our latest EPA-backed dataset.

How can I check water quality for my exact address in Newark?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Newark.

What is the water quality score for Newark?

The water quality score for Newark is 90 out of 100, based on EPA contaminant data, violation history, and testing results across the 4 systems serving the city.

What are the top contaminants in Newark?

The top contaminants detected in Newark include Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
90/100
Grade
A
Water Systems
4
Population
47,154

Newark Water Quality Summary

Newark, DE receives a water quality score of 90/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 4 public water systems serving the area.

Newark'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.

Newark's score of 90 is 4 points above the Delaware state average of 86, and above the nationwide average of roughly 78/100 across all U.S. states.

Living in this large Mid-Atlantic coastal plain city means enjoying tap water that is highly rated for safety and cleanliness. This strong performance is especially notable given the industrial and chemical legacy of the nearby Wilmington area. For families and prospective homebuyers settling in Newark, Delaware, these consistent standards offer regulatory reliability that the tap water is managed with exceptional care.

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

Key Contaminants

Lead (90th percentile)
0.002 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Newark (4)

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Related

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