Office Hours (Mondays, Tuesdays, Thursdays to Sundays: 10:00am – 6:00pm) (852) 3188 2941
Non-office Hours (Wednesdays, and the first two days of the Chinese New Year) WSD 24-hour customer service hotline : (852) 2824 5000
2789 4680
info@h2opecentre.gov.hk