Why does my cold tap water smell?
Why does my cold tap water smell? Generally, a sewage-like or rotten egg odor in your tap water results when sulfur-reducing bacteria grow in your drain, water heater, or well. These bacteria, which use sulfur as an energy source, chemically change natural sulfates in water into hydrogen sulfide-which emits a distinct rotten egg odor. How do you fix smelly cold water? If it measures over 2.0 ppm, contact your water supply authority or county health department. If it measures less than 2.0 ppm, your water is safe to drink but may be unpleasant to smell. Fill a pitcher of tap...