Water Quality in Dallas, TX

Detailed water quality data for Dallas, Texas including contaminant levels, EPA comparisons, AquaScore™ grading, and treatment recommendations.

Water utility: Dallas Water Utilities.

Water source: Lake Ray Hubbard, Lake Grapevine, Lake Lewisville.

Key Contaminants Found

• Total trihalomethanes (TTHMs)
• Haloacetic acids (HAA5)
• Chromium (hexavalent)
• Atrazine
• Chloroform

Dallas relies on multiple surface water reservoirs that receive agricultural and urban runoff. Disinfection byproducts are a persistent concern due to organic matter in source water.

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