次階水 我們利用創新技術，致力擴大使用次階水，包括海水及循環再 用水（即再造水、重用中水及回收雨水），用於沖廁、園景灌 溉和清潔街道等非飲用用途，務求節省食水資源。 Lower Grade Water Leveraging innovative technologies, we have been actively expanding the use of lower grade water, which includes salt water and recycled water (viz reclaimed water, treated grey water and harvested rainwater) for non-potable uses, for example, toilet flushing, landscape irrigation and street cleansing to help conserve fresh water resources. 擴大使用海水和循環再用水 Expanding Use of Salt Water and Recycled Water 長遠而言，我們的目標是擴展次階水用於沖廁和其他非飲用用途的供應網絡覆蓋範圍， 由香港總人口的 85% 增加至 90%，並著重在新發展區和現時使用淡水沖廁的地區推展。 We aim to expand the network coverage for supplying lower grade water from 85% to 90% of Hong Kong's total population for non-potable uses in the long run with the focus on the new development areas and those areas currently being supplied with fresh water for flushing. 擴展次階水用於沖廁和其他非前置用途的 供應網路覆蓋範圍 Expand network coverage for supplying lower grade water 85% 90% 海水供應網絡 為進一步降低食水用量，我們繼續擴大使用海水沖廁的範圍。我們現正為東涌新市鎮建造 海水供應系統，以取代區內目前以淡水沖廁的安排。相關工程預計於二零二四年竣工，供 應海水至東涌新市鎮及其擴展區。在技術可行和具成本效益的情況下，我們將繼續物色合 適地區擴展海水供應網絡或利用新的水資源（例如循環再用水）。 Salt Water Supply Network To further reduce the fresh water consumption, we continue to expand the use of salt water for flushing. The Tung Chung New Town is currently being supplied with fresh water for flushing. We are building a replacement salt water supply system that will be completed in 2024 to supply salt water to the Tung Chung New Town and its extension for flushing. Where technically feasible and cost-effective, we will continue to explore ways to expand our salt water supply network or leverage new water resources (e.g. recycled water). 現時的海水供應網絡加上在東涌新市鎮敷設的新網絡，將可覆蓋超過總人口的85%。 The current salt water network together with the new network in Tung Chung New Town will cover more than 85% population. 60 水務署 二零二三至二四年年報 WSD Annual Report 2023/24 Enhance 提升 Menu 目錄
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