WaterQ
Texas State Report All States
Official Status: March 2026

Is Dallas tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Dallas scores 91/100.

Safety Score
91
out of 100

Still not sure if you need a filter in Dallas?

Read Decision Guide →

Dallas

Texas

View Texas state report Verified: Apr 2026

Is Dallas tap water safe to drink?

Mostly yes — Dallas scores 91/100. This report aggregates EPA drinking water data across 2 local systems in Dallas. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 02:45 PM
0mm Precipitation

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

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 Dallas?

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 Dallas? See our analysis.

Baby Formula Safety

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

Homebuyer's Perspective

For those looking to relocate to Dallas, water quality is a key factor in long-term property maintenance. The high safety score (91/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Total Trihalomethanes levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.

View Health Risk Glossary →

Score Breakdown for Dallas

EPA Compliance & Violations 85/100
Contaminant Safety Margin 91%

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

Frequently Asked Questions

Is Dallas tap water safe to drink?

Mostly yes — Dallas scores 91/100.

How many water systems serve Dallas?

Dallas is served by 2 public water systems in our latest EPA-backed dataset.

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

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

What is the water quality score for Dallas?

The water quality score for Dallas 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 Dallas?

The top contaminants detected in Dallas include Total Trihalomethanes, Arsenic, Chlorine. View detailed information on our contaminants page.

Water Quality Score
91/100
Grade
A
Water Systems
14
Population
1.6M

Dallas Water Quality Summary

Dallas, TX receives a water quality score of 91/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 14 public water systems serving the area.

Dallas'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

Total Trihalomethanes Violation
182.8497 / 80 μg/L
0 μg/L MCL: 80 μg/L
Arsenic Violation
22.2658 / 10 μg/L
0 μg/L MCL: 10 μg/L
Chlorine Violation
7.5321 / 4 mg/L
0 mg/L MCL: 4 mg/L
Gross Alpha Particle Activity
12.3704 / 15 pCi/L
0 pCi/L MCL: 15 pCi/L
Nitrate
8.2237 / 10 mg/L
0 mg/L MCL: 10 mg/L
Trichloroethylene (TCE)
4.0383 / 5 μg/L
0 μg/L MCL: 5 μg/L
Copper
0.8997 / 1.3 mg/L
0 mg/L MCL: 1.3 mg/L
PFAS (Per- and Polyfluoroalkyl Substances)
0.0025 / 0.004 μg/L
0 μg/L MCL: 0.004 μg/L

Water Systems Serving Dallas (2)

Related

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