The official line here in Hong Kong is that the mains water is clean and drinkable, but the plumbing between the mains and your tap may not be clean. The Water

The official line here in Hong Kong is that the mains water is clean and drinkable, but the plumbing between the mains and your tap may not be clean. The Water Supplies Department maintains a list[0] of residential and commercial buildings whose 'last-mile' water supply is regularly tested and found to be safe and clean. Of course everyone still boils their water... [0] https://www.wsd.gov.hk/en/core-businesses/water-quality/buildings/fresh-water-management-system-/index.html https://www.wsd.gov.hk/en/core-businesses/water-quality/buil...