The tests, conducted over the past month, show the water contains metallic impurities, including lead, aluminium, iron, zinc and copper.
Fears of another Hong Kong water scare were ignited on Tuesday after lead and other toxic heavy metals were found in tap water at a public housing estate in Shau Kei Wan.
“I do not know if it is the water but I feel itchy every time I shower,” said a woman who gave her surname as Cheng, 95, who has lived on the estate for more than eight years. “This is [like] a slow death.”