WSD Annual Report 2022/23

二零二二年四月至二零二三年三月的食水水質 香港特別行政區政府於二零二一年四月二十二日公布了最新的 香港食水標準,當中包括60 個水質參數。市民可參閱水務署 網頁了解香港食水標準。 政府亦訂立了食水感官準則,以確保食水的感官質量,如味道 和氣味等。 食水樣本是從濾水廠、配水庫、食水缸、供水接駁點及用戶水 龍頭抽取。 這時段內供應至客戶的香港食水水質達標率躋身世界發達國家 及城市前列,食水水質優良。 DRINKING WATER QUALITY FOR THE PERIOD OF APRIL 2022 - MARCH 2023 The Government of the Hong Kong Special Administrative Region promulgated on 22 April 2021 the latest Hong Kong Drinking Water Standards ("HKDWS") which includes 60 water quality parameters. The public may visit the WSD website for information on HKDWS. The Government has also established the Aesthetic Guidelines (“AG”) in ensuring the aesthetic quality, such as the taste and odour, of the drinking water in Hong Kong. Drinking water samples were taken at water treatment works, service reservoirs, fresh water tanks, connection points and consumers’ taps. The compliance rate of the quality of drinking water supplied to customers in Hong Kong during this period is high amongst developed countries and cities and the drinking water is of excellent quality. 甲、香港食水標準 Part A. Hong Kong Drinking Water Standards 監測結果(註釋 1) Monitoring Data(Note 1) (04/2022 - 03/2023) 香港食水標準標準值 Standard Value in HKDWS 達標(註釋 1) Compliance(Note 1) 參數 Parameter 單位 Unit 最低值 Minimum 最高值 Maximum 平均值 Average 艾氏劑和狄氏劑 Aldrin & dieldrin 微克/公升 µg/L < 0.008 < 0.008 < 0.008 ≤ 0.03 ✓ 銻 Antimony 毫克/公升 mg/L < 0.001 < 0.001 < 0.001 ≤ 0.02 ✓ 砷 Arsenic 毫克/公升 mg/L < 0.001 < 0.001 < 0.001 ≤ 0.01 ✓ 鋇 Barium 毫克/公升 mg/L 0.003 0.025 0.015 ≤ 1.3 ✓ 苯 Benzene 微克/公升 µg/L < 2.5 < 2.5 < 2.5 ≤ 10 ✓ 苯并[a]芘 Benzo[a]pyrene 微克/公升 µg/L < 0.002 < 0.002 < 0.002 ≤ 0.7 ✓ 硼 Boron 毫克/公升 mg/L < 0.02 0.06 0.03 ≤ 2.4 ✓ 溴酸鹽 Bromate 微克/公升 µg/L < 1 2.0 < 1 ≤ 10 ✓ Data Summary 數 據 一 覽 水務署 二零二二至二三年年報 WSD Annual Report 2022/23 129

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