Dallas
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: 03:30 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Dallas.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Dallas?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Wondering if Dallas tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Dallas tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Dallas, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (91/100) suggests lower risk for plumbing corrosion and appliance scaling.
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 →Compliance Record for Dallas
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Dallas.
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 91 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.
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.
Dallas's score of 91 is 13 points above the Texas state average of 78, and above the nationwide average of roughly 78/100 across all U.S. states.
As a major metro area in the South-central region of Texas, Dallas manages its municipal supply through multiple distinct water systems, operating within a landscape shaped by large urban centers, varied geology, and the oil and gas industry. For prospective homebuyers and current residents, the local tap water achieves excellent marks, delivering peace of mind for daily household use. Although the regional geology and industrial footprint demand constant vigilance, the outstanding ratings earned by the local systems indicate that these environmental challenges are being effectively managed before reaching your kitchen sink.
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
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Water Systems Serving Dallas (2)
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Water quality can vary by neighborhood in Dallas.
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