Sulfur in your water supply is easily recognized by its offensive odor. Hydrogen sulfide gas causes the "rotten-egg" or sulfur water smell. Hydrogen sulfide in water causes no known health effects.

2. Foul odors If you notice a foul odor, such as a rotten egg smell, emanating from your hot water heater, don't ignore it. This water heater problem indicates potential issues with the water ...

A water company has said it has "no connection" to a smell of gas reported by a resident after a pipe burst near his West Sussex home. Almodington Lane resident Jon Giles detected strong smells ...