Fact · environment · 2025
Fresh water daily average consumption (2025)
食水每日平均用量（2025年）
Figure and reference date
2.94 million m³/day
2.94 百萬立方米/日
Notes and definition
WSD data: 1,074.59 Mm³/year, 2.94 Mm³/day (+1.7% YoY).
There is more than one official basis
Fresh water supply and consumption
How much fresh water does Hong Kong use in a year, and why do officials give both an annual total and a daily average?
The same question has 3 official bases; their figures and scopes cannot be added together or swapped.
（口徑對照頁目前只有中文版：/calibre#water-supply-vs-consumption）
Other figures in this group (environment)
Figures in the same group are not necessarily additive — check the basis note above first. Environment and energy.
| Item / 項目 | Figure / 數字 | As of / 時點 | Source / 來源 |
|---|---|---|---|
| Electricity consumption 用電量 | 164,433 terajoules 164 433 太焦耳 Domestic 44,471; commercial 108,849; industrial 10,886; street lighting 227. 1 terajoule = 10^12 joules. | 2025 | Hong Kong in Figures, 2026 Edition |
| Greenhouse gas emissions 溫室氣體排放量 | 34,500 kilotonnes CO₂-e 3 450 萬公噸二氧化碳當量 Rounded to the nearest hundred and subject to revision. Latest complete year in the 2026 booklet is 2023. | 2023 | Hong Kong in Figures, 2026 Edition |
| Sulphur dioxide emissions 二氧化硫排放量 | 3,910 tonnes 3 910 公噸 Includes hill fires; rounded to the nearest ten. | 2023 | Hong Kong in Figures, 2026 Edition |
| Nitrogen oxides emissions 氮氧化物排放量 | 52,980 tonnes 52 980 公噸 Includes hill fires; rounded to the nearest ten. Latest complete year in the 2026 booklet is 2023. | 2023 | Hong Kong in Figures, 2026 Edition |
| Fine suspended particulates (PM2.5) emissions 微細懸浮粒子排放量 | 2,710 tonnes 2 710 公噸 Includes hill fires; rounded to the nearest ten. | 2023 | Hong Kong in Figures, 2026 Edition |
| Municipal solid waste disposal 都市固體廢物處置量 | 3.847 million tonnes 384.7 萬公噸 Domestic and commercial & industrial waste delivered to disposal facilities, excluding construction waste and recovered MSW. | 2024 | Hong Kong in Figures, 2026 Edition |
| Recyclables recovered from municipal solid waste 從都市固體廢物回收的可循環再造物料 | 2.018 million tonnes 201.8 萬公噸 Recycled locally or outside Hong Kong. | 2024 | Hong Kong in Figures, 2026 Edition |
| Hong Kong Drinking Water Standards parameters 香港食水標準水質參數 | 61 parameters after the 2025 update 2025年更新後61項 HKDWS established September 2017, 60 parameters from 2021, updated to 61 on 23 April 2025, with a Surveillance List, Watch List and aesthetic guidelines. | 2025-04-23 | DEVB: Hong Kong Drinking Water Standards |
| Fuel mix for electricity generation 發電能源組合 | Natural gas 55%, nuclear & renewables 28%, coal 17% (2025) 天然氣55%、核能及可再生能源28%、煤17%（2025年） EEB territory-wide generation fuel mix by sent-out basis, 2025. Renewables such as local solar remain a small share. | 2025 | Environment and Ecology Bureau: Hong Kong Fuel Mix for Electricity Generation |
| Municipal solid waste per-capita disposal 都市固體廢物人均棄置量 | 1.4 kg/person/day (2024; 3.85m tonnes disposed) 1.4 公斤／人／日（2024；總棄置385萬公噸） EPD Solid Waste Monitoring: per-capita disposal down a third straight year; ~34% recovery. | 2024 | Hong Kong Solid Waste Monitoring Report |
| Municipal solid waste disposal quantity 都市固體廢物處置量 | 3.97 million tonnes 3.97 百萬公噸 EPD solid waste monitoring report. | 2023 | EPD: Monitoring of Solid Waste in Hong Kong (MSW & recovery rate) |
| Municipal solid waste recovery rate 都市固體廢物回收率 | 33% (2023) / 34% (2024) 33%（2023）／34%（2024） EPD solid waste recovery rate. | 2024 | EPD: Monitoring of Solid Waste in Hong Kong (MSW & recovery rate) |
6 more figures in this group are listed in Environment and energy.
Other figures from the same official source
These figures come from the same registered document: “Water Supplies Department: water resource data” (Water Supplies Department). Being in one document does not make them additive.
| Item / 項目 | Figure / 數字 | As of / 時點 | Source / 來源 |
|---|---|---|---|
| Dongjiang water supply from Guangdong (2025) 自廣東輸入東江水（2025年） | 819.80 million m³ 819.80 百萬立方米 WSD water-resource data: 819.80 Mm³ of Dongjiang water supplied in 2025. | 2025 | Water Supplies Department: water resource data |
| Annual fresh water consumption (2025) 全年食水用量（2025年） | 1,074.59 million m³ 1 074.59 百萬立方米 WSD water resource data: 1,074.59 Mm³ consumed in 2025. | 2025-12-31 | Water Supplies Department: water resource data |
| Dongjiang water supply (2025) 東江水輸入量（2025年） | 819.80 million m³ 819.80 百萬立方米 Dongjiang supplies 819.80 Mm³ in 2025, about 70-80% of demand. | 2025-12-31 | Water Supplies Department: water resource data |
| Dongjiang water supply 東江水供應 | supplies about 70% of Hong Kong's drinking water 供應香港約七成食水 Hong Kong's drinking water comes mainly from the Dongjiang River (via the Dongjiang water supply scheme) and local catchment areas. Dongjiang water supplies about 70% of Hong Kong's drinking water, with the rest from rainwater collection and desalination. | 2026-10-13 | Water Supplies Department: water resource data |
How to cite this figure
Hong Kong Story, “Fresh water daily average consumption (2025)”, https://hongkongstory.org/en/facts/water-freshwater-consumption-2025, data as at 2025 (retrieved ＿).
中文：香港紀事館，〈食水每日平均用量（2025年）〉，https://hongkongstory.org/facts/water-freshwater-consumption-2025，資料時點 2025（查閱日期 ＿）。
Machine-readable: /api/v1/facts.json (id = water-freshwater-consumption-2025) · OpenAPI 3.1 ·/llms.txt
Registered source
Water Supplies Department: water resource data
Water Supplies Department
The official document carries no registered publication date, so only the retrieval date 2026-10-11 is given — no publication year is invented.
This site is a secondary compilation: the official text prevails. If the figure above differs from the official document, the official document is correct.