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Information on
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Dasan 120 callcenter
For Foreigners
(02)120 + 9
① English   ② 中國語
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Monday thru Friday
09:00am - 06:00pm
Weekdays only.
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Helpful Arisu Tips

Check Your Billing Record

You can check your billing records for the last two years in Seoul Waterworks Authority website.

Convenient Self-meter Reading System

This is a system wherein customers are billed for water usage based on the readings on the water meters installed in their homes by themselves. A discount of KRW 600 is applied for each self-meter reading.

Electronic Billing

Applies electronic invoicing instead of paper invoice for the water bill, 1% discount on water supply will be offered (Min. of KRW 200 ~ Max. of KRW 1,000)

Discount in Case of Water Leak

Prepare documents as proof of water leak and apply for rebate via mail, fax, Internet, or phone or by visiting the office. You will receive a 50% rebate, which represents the amount of leaked water, on your water bill. (Available only within 90 days of having received the bill)