The Water Supplies Department (WSD) of Hong Kong has been providing drinking water in accordance with the World Health Organization (WHO) Guidelines for Drinking Water Quality, but since the incident of excessive lead in drinking water, the safety requirements of the Government, the practitioners and the public have increased significantly. After consulting experts, the WSD formulated the Plan for Enhancing Drinking Water Safety in Hong Kong on year 2017. In the past, the WSD placed more emphasis on testing the physical, chemical and bacteriological parameters of water samples at WSD's water supply points, but through this scheme, the material requirements and acceptance of newly installed drinking-water systems have been increased. The scheme consists of five sections, namely "Enhanced Drinking Water Standards and Water Quality Monitoring", "Enhanced Regulation of Internal Water Supply System", "Water Safety Plan", "Publicity and Public Education", and "Drinking Water Safety Regulatory System".
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