Please note that all the circular letters held under this web page are in PDF format and you need to download the latest version of Acrobat Reader to view and print these documents.

The following list is a complete set of existing Circular Letters that are currently in force.

From time to time, new Circular Letters are added to the list to promulgate new policy decisions and procedures. Circular Letters are removed from the list when they are outdated or their contents have been subsumed in other relevant publications issued by Water Supplies Department.

A full set of circular letters can be downloaded (file size of ~6.2MBytes) at this link.

Please note that all the circular letters held under this web page are in PDF format and you need to download the latest version of Acrobat Reader to view and print these documents.

The following list is a complete set of existing Circular Letters that are currently in force.

From time to time, new Circular Letters are added to the list to promulgate new policy decisions and procedures. Circular Letters are removed from the list when they are outdated or their contents have been subsumed in other relevant publications issued by Water Supplies Department.

A full set of circular letters can be downloaded (file size of ~12 MBytes) at this link.

Please note that all the circular letters held under this web page are in PDF format and you need to download the latest version of Acrobat Reader to view and print these documents.

The following circular letters have been either superseded or subsumed under relevant documents. For the subsumed circular letters, the policies and procedures contained therein can now be found in the document(s) (Technical Requirements for Plumbing Works in Buildings and Guide to Application for Water Supply) indicated in the table below and should continue to be followed.

FAQs for Obsolete Circular Letters