This Apartment’s Water Smelled Like Rotten Eggs — Here’s What Fixed It
Last Friday, I got a call from a resident living in a gated community near Medavakkam. “It’s not a leak or drainage issue,” she began. “It’s the water itself. Every time we turn on the tap—especially in the bathrooms—it smells horrible. Like rotten eggs .” This wasn’t the first time we’d heard of this. “We thought it was maybe from the pipes,” she continued, “but the smell is there even in the overhead tank . Guests have started complaining. And honestly, it’s getting embarrassing.” The Real Culprit: Sulphur Compounds in Borewell Water As soon as she described the smell, I had a good guess — hydrogen sulfide gas , a by-product of decaying organic matter that’s common in some borewell sources. It creates that telltale rotten egg odor and can show up in both hot and cold water lines. “It’s worse when we switch on the geyser,” she said. “That’s when the stink is strongest .” That made sense. Heat releases more of the trapped gas, which is why the smell intensifies with hot water. S...