WATER QUALITY & PIPES

Why Does My Water Smell Different?

A rotten-egg smell from hot water often comes from the water heater anode; a chlorine smell is disinfectant; a sewer smell at a sink is usually a drain issue, not the water.

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By PlumberDallas.com editorialUpdated October 14, 2026

Smell guide

Rotten eggs, hot only: water heater; anode replacement can help
Chlorine: normal disinfection
Musty or earthy: seasonal; DWU water quality reports explain
Sewer at one sink: dry trap or drain issue, see sewer smell

Persistent concerns

Contact Dallas Water Utilities through 311 for water quality questions.

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Why Does My Water Smell Different?

Smell guide

Persistent concerns

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