Drainage Services Department

Sewage Treatment-Related Services

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Technical Support

Type of Services Feature Brief Description Enquiries
Supply of activated sludge to operating companies for seeding use in private sewage treatment plants. (Chargeable Service) To help newly set up private sewage treatment plants to expedite the initial start up of the sewage treatment process.

Since newly set-up private sewage treatment plants may not have sufficient microorganisms to treat the sewage at the outset, activated sludge is required to be collected from Government sewage treatment plants for seeding aiming at speeding up the sewage treatment process.

Sample Collection Form: Fillable PDF Format

Mr. LO Wing-wa, River
Executive Officer/Drainage 4
Tel : 2195 3450
Fax : 2991 4233
E-mail : wwlo@dsd.gov.hk 

or

Miss TAM Wan Ching, Linda
Executive Officer/Drainage 6
Tel: 2891 6315
Fax: 2827 8619
E-mail : lindawctam@dsd.gov.hk

 

Domestic Liquid Waste Disposal

Type of Services Feature Brief Description Enquiries

Treatment of domestic liquid wastes for operating companies.

(Chargeable Service)

 To treat domestic liquid wastes that are delivered to Government sewage treatment plants by private operating companies. Private operating companies collect domestic liquid wastes from septic tanks and aqua privies at various locations of Hong Kong and deliver them to Government sewage treatment plants.

Tel: 2698 6548
Fax: 2827 8619
E-mail: domestic_liquid_waste@dsd.gov.hk

 

Subject / Form Title Download
Guidelines for Disposal of Liquid Waste (Chinese version only) PDF File
Performance Assessment System PDF File
List of Registered Domestic Liquid Waste Disposal Private Companies PDF File
Application form for Domestic Liquid Waste Disposal Permission (Submit in person, by post, fax or email) PDF File
Trip-Ticket for Domestic Liquid Waste Disposal (Submit in person) PDF File

 

Academic Support

Type of Services Feature Brief Description Enquiries
Supply of sewage and sludge samples to the Tertiary Institutions. To provide samples for academic studies and research.

Sewage and sludge samples are often required for study and research use by Tertiary Institutions. The samples required for these purposes can be collected from Government sewage treatment plants.

Sample Collection Form: Fillable PDF Format

Mr. LO Wing-wa, River
Executive Officer/Drainage 4
Tel: 2195 3450
Fax: 2991 4233
E-mail: wwlo@dsd.gov.hk

or

Miss TAM Wan Ching, Linda
Executive Officer/Drainage 6
Tel: 2891 6315
Fax: 2827 8619
E-mail: lindawctam@dsd.gov.hk
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