Can the water in Hong Kong Hotel be boiled and drunk?

Tap water in Hong Kong is absolutely drinkable, but most people think tap water is unsanitary. It is taught in middle school. The water source of Hong Kong comes from Dongjiang water and rainwater from Guangdong. In fact, bacteria have been eliminated in the process of repeated filtration, so tap water is actually drinkable. If you are still not at ease, you can boil water.