Why does sulfur smell like rotten eggs?

Dan Myers. Editor. If you ever come across an egg that smells like sulfur, don't eat it. The smell of rotting eggs is one that's immediately recognizable, that acrid, sulfuric smell that doesn't seem to have a counterpart with any other food. But why, exactly, do rotting eggs have such a unique and horrible smell? read more

Hydrogen sulfide gas (H2S) can occur in wells anywhere in Minnesota, and gives the water a characteristic rotten egg taste or odor. This page provides basic information about hydrogen sulfide gas and sulfur bacteria and discusses actions that you can take to minimize their effects. read more