Telephone Directory of the Government of the HKSAR And Related Organisations

This is a website where you can search for most of the telephone numbers of officers and hotlines in respect of government bureaux / departments and related organisations.

Last Updated: 30/11/2025

Drainage Services Department
Sewage Services Branch
Harbour Area Treatment Scheme Division
General Office

General Office

Address	14/F, Drainage Services Tower, 8 Ying Wa Street, Cheung Sha Wan, Kowloon
Fax	3104 6439

General Office
Address 14/F, Drainage Services Tower, 8 Ying Wa Street, Cheung Sha Wan, Kowloon	Fax 3104 6439

Full Name	Post Title	Office Tel	Email
Full Name Ms. TSUI Kai Kai, Kathryn	Post Title EO/Sewage Services	Office Tel 3965 8749	kkktsui@dsd.gov.hk
Email kkktsui@dsd.gov.hk
Full Name Mr. CHOI Ho Chun	Post Title Ag. CO/Harbour Area Treatment Scheme	Office Tel 3965 8651	hcchoi@dsd.gov.hk
Email hcchoi@dsd.gov.hk

Remarks:

1.For those calling from places outside Hong Kong, please dial the area code "852" before the telephone number (not applicable to overseas offices).
2.Click the name of officer/enquiry for further information.
3.All data on this website are provided and updated by respective bureaux / departments and related organisations.