Sulfur smell / Green Building & Sustainable Home Renovation Information & Advice

A traditional salt-based water softener with its main resin tank © Ecohome
Drinking water and treatment

Types of Water Softeners for Well Water: a Homeowner's & Pro's Guide

...sulfur smell in well water You may have no sulfur smell present when you first dig a well, but it may show up at anytime, which is a common issue that can be puzzling for homeowners. The rotten-egg odor is caused by hydrogen sulfide gas (H2​S), which can develop in a well's water supply even after years of having no sm...