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  • Maintaining Rigorous Quality Control of Arisu

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    Maintaining Rigorous Quality Control of Arisu

    Seoul City has been conducting drinking water quality standard tests for its tap water ‘Arisu’ on 170 criteria, which exceed the number of criteria (163) as recommended by the World Health Organization (WHO). Among the 170 criteria are 60 on drinking water standards and 110 from Seoul City’s own internal criteria for observation. According to the outcome of research from last year, Seoul City has successfully passed the conformity assessment in all criteria of drinking water quality standards for all the districts of Seoul.

    Seoul City is in the process of conducting detailed and comprehensive examination for every stage of water quality control, from the upper region of the Hangang River which is the source of water intake, to all Arisu distillation centers, autonomous districts, and water faucets in general areas, for safe drinking water quality control. Meanwhile, Seoul is providing various drinking water-related policies and information for citizen participation through its Arisu Quality Report, and more information can be found on the Arisu website (http://arisu.seoul.go.kr).

    In addition, those who are curious about tap water quality provided to their homes may receive a free water quality test and a check-up or verification on the status of their water pipes (Dasan Call Center 120).

    ■ Registering for Arisu Quality Verification System: 120 (Dasan Call Center) and Water Quality Monitoring Teams of the Office of Waterworks under the jurisdiction of the respective areas of residence

    • – Phone numbers of Business Office per area of residence
    Area of ResidenceOrganization in charge of RegistrationPhone Number
    Jung-gu, Jongno-gu, Yongsan-gu, Seongbuk-guJungbu Office of Waterworks82-2-3146-2047
    Eunpyeong-gu, Seodaemun-gu, Mapo-guSeobu Office of Waterworks82-2-3146-3562
    Seongdong-gu, Gwangjin-gu, Jungnang-gu, Dongdaemun-guDongbu Office of Waterworks82-2-3146-2656
    Nowon-gu, Gangbuk-gu, Dobong-guBukbu Office of Waterworks82-2-3146-3250
    Yangcheon-gu, Gangseo-gu, Guro-guGangseo Office of Waterworks82-2-3146-3832
    Gwanak-gu, Dongjak-gu, Yeongdeungpo-gu, Geumcheon-guNambu Office of Waterworks82-2-3146-4447
    Gangnam-gu, Seocho-guGangnam Office of Waterworks82-2-3146-4742
    Songpa-gu, Gangdong-guGangdong Office of Waterworks82-2-3146-5048