Drinking Water Quality

Quality Water Supply Scheme for Buildings

This scheme was launched to encourage building owners to maintain their plumbing system properly and ensure good water quality through their taps. Learn about the application procedures and assessment criteria here.

Drinking Water Quality, Sources and treatment in Hong Kong

Safe drinking water is vital to your health and to the continued development of Hong Kong. Find an overview of how the Water Supplies Department provides drinking water for Hong Kong, the water sources, raw water treatment in water treatment works, and the processes involved in safeguarding its quality.

Domestic Water Filters

The fresh water supplied by the Water Supplies Department fully conforms to the quality recommended by World Health Organization. There is no need for installation of filters if your plumbing system is properly maintained. If for some reasons you still opt to install a water filter, please note carefully the points here.