Source of black particles in Hong Kong estate’s water supply remains mystery

Water Supplies Department investigates black particles found in drinking water at Hong Kong public housing estate

HK's Water Supplies Department has said it is investigating black particles found in the drinking water of a public housing estate, while giving assurance that the water is safe to drink.

Source of black particles in Hong Kong estate’s water supply remains mystery

But official says that samples taken before and after tanks were cleaned confirm the water is normal and safe to drink.