WaterQ
Texas State Report All States
Official Status: March 2026

Is Duncanville tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Duncanville scores 100/100.

Safety Score
100
out of 100

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Duncanville

Texas

View Texas state report Data updated: Mar 2026

Is Duncanville tap water safe to drink?

Mostly yes — Duncanville scores 100/100. This report aggregates EPA drinking water data across 1 local system in Duncanville. We found 29 total violations (0 unresolved).

Real-Time Environment

Live: 08:45 PM
0mm Precipitation

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

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 Duncanville?

Requirement Status
Optional
🟢
💡

Expert Advice

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

Buying a Filter?

Filter or no filter for Duncanville water? Here's what the data says.

Baby Formula Safety

What new parents in Duncanville should know about tap water safety.

Homebuyer's Perspective

Water quality is easy to overlook when evaluating a move to Duncanville, but it can affect plumbing longevity and appliance lifespan. The high safety score (100/100) 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 Duncanville

29
Violations (5yr)
0
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

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

Frequently Asked Questions

Is Duncanville tap water safe to drink?

Mostly yes — Duncanville scores 100/100.

How many water systems serve Duncanville?

Duncanville is served by 1 public water system in our latest EPA-backed dataset.

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

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

What is the water quality score for Duncanville?

The water quality score for Duncanville is 100 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 Duncanville?

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

Water Quality Score
100/100
Grade
A
Water Systems
1
Population
39,413

Duncanville Water Quality Summary

Duncanville, TX receives a water quality score of 100/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Duncanville'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.

Duncanville's score of 100 is 24 points above the Texas state average of 76, and above the nationwide average of roughly 78/100 across all U.S. states.

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

Key Contaminants

Lead (90th percentile)
0.0011 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Duncanville (1)

Related

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