The authors express their sincere appreciation to the following individuals for their help in preparing the materials of the chapter on ‘Water Resources in Hong Kong’ in the “Water Resources Information Portal”. Koko Liu provided able research assistance. Ella Chan prepared the visual materials on natural river landscape and the Dongjiang River Basin. Tina Tsang drew earlier versions of Hong Kong’s maps and a map of the Dongjiang River Basin. In addition, Ella Chan, Jill Chan, and Koko Liu assisted with copyediting, translation, typesetting, and standardising the charts and figures, enhancing the overall visual quality of the Information Portal. Ella Chan, Jill Chan, and Koko Liu are the project staff in the Centre for Water Technology and Policy.

Gratitude is extended to the Project Team of the Jockey Club Water Initiative on Sustainability and Engagement (JC-WISE) for granting us the permission to reprint materials sourced from the Rivers@HK Database. Gratitude is also extended to the Drainage Services Department, Green Power, Mr. Henry Lui, the Lands Department, Dr. Raymond Wang, and the Water Supplies Department for granting us permission to use their respective copyrighted materials.

The authors would like to express their appreciation to Dr. Cheng Luk Ki, Dr. May Chui, Dr. Lincoln Fok, Professor Danny Lam and Dr. Lishan Ran for their useful feedback on earlier drafts of the Information Portal.

The Water Resources Information Portal is an integral component of a multi-year interdisciplinary project entitled “Harnessing the Power of IoT Technologies, Data Analytics, and Advanced Household Profiling Techniques to Sustain Water-conscious Behaviors and to Inform Water-sector Infrastructure Planning,” led by Professor Danny Lam. This research project (S2021.A8.034.21S) has received funding from the Strategic Public Policy Research Funding Scheme of the Chief Executive’s Policy Unit of the Government of the Hong Kong Special Administrative Region, the Philomathia Foundation and the WYNG Foundation.