Hydrogen sulfide problems are most common in wells drilled into acidic bedrock such as shale and sandstone; produced by certain “sulfur bacteria” in the groundwater, well or plumbing system; or chemical reactions inside of water heaters. Sulfur bacteria produce a slime and can help other bacteria grow, such as iron bacteria. The slime can clog wells, plumbing and irrigation systems.Hydrogen sulfide in water is an aesthetic concern that causes a disagreeable taste and odor to the water. While the gas is poisonous and flammable, the human nose can detect it well before it causes health concerns. Most people can detect
