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WSD Circular Letters

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 Circular Letters are removed from the list when they are outdated or their contents have been subsumed in other relevant publications issued by Water Supplies Department.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 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 Circular Letters are removed from the list when they are outdated or their contents have been subsumed in other relevant publications issued by Water Supplies Department.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.

No. Description Date Issued Category Applicable to
LP AP
2017
10/2017 New Commissioning Requirements for Plumbing Works in Occupied Buildings/Village Houses 2017/10/16 3 Yes Yes
9/2017 New Commissioning Requirements for New Plumbing Works 2017/09/26 3 Yes Yes
8/2017 Surveillance Programme for the General Acceptance System 2017/09/16 4 Yes Yes
7/2017 Submission of Consumption Flow Rates and Installation of Flow Restrictor 2017/08/25 3 Yes Yes
6/2017 Systematic Flushing for New Plumbing Works 2017/06/14 3 Yes Yes
5/2017 Online Re-plumbing Works 2017/05/26 3 Yes Yes
4/2017 Random Inspection of New Plumbing Works during Construction Stage 2017/03/20 1 Yes Yes
3/2017 Enhancement Measures for Processing Applications for Water Supplies 2017/02/03 3 Yes Yes
2/2017 Water Efficiency Requirements for Fittings in Inside Service 2017/01/20 3 Yes Yes
1/2017 WSD Circular Letters in Force 2017/01/13 1 Yes Yes
2016
3/2016 Voluntary Continuing Professional Development Scheme for Licensed Plumbers 2016/10/12 1 Yes Yes
2/2016 Inspection and Approval of Plumbing Works 2016/06/03 3 Yes Yes
2015
9/2015 Task Group on Implementation of New Improvement Measures for Controlling Construction of Inside Service 2015/12/23 3 Yes Yes
8/2015 Inspection of Plumbing Works and Point Penalty System 2015/10/29 1 Yes Yes
7/2015 Revision of Application Forms and Pipes and fittings to be Installed in Plumbing Works 2015/10/19 3 Yes Yes
6/2015 Application for Water Supply Pipes and Fittings Approval 2015/08/31 4 Yes Yes
5/2015 Water Sampling and Solder Joint Sampling and Testing for Newly Installed Fresh Water Inside Service 2015/08/28 3 Yes Yes
4/2015 Soldering for Copper Pipe Connections 2015/08/25 3 Yes Yes
3/2015 Updated Contact List of Case Officers for Application for Water Supplies 2015/08/21 3 Yes Yes
2/2015 Validity Period for General Acceptance of Water Supply Pipes and Fittings 2015/08/11 4 Yes Yes
1/2015 Prohibition of Using Leaded Solder at Fresh Water Inside Services and New Parameters for Testing of Water Sample 2015/07/13 3 Yes Yes
2014
1/2014 Preventing Unauthorised Use of Mains Water for Fresh Water Cooling Towers 2014/12/12 3 Yes Yes
2012
2/2012 Cleansing and Disinfection of Fresh Water Inside Service 2012/08/10 2 Yes Yes
2010
3/2010 Target Response Time for Completing the Key Activities in respect of the Application for Water Supply 2010/09/24 3 Yes Yes
1/2010 Minimum Flow Requirements for Draw-off Taps, Single and Combination Taps 2010/05/06 2 Yes Yes
2006
3/2006 Meter Removal and Water Supply Disconnection due to Building Demolition 2006/09/07 2 NA Yes
2003
6/2003 Advice on Installation of a Filter before the Flushing Valve 2003/08/29 2 Yes Yes
2002
5/2002 Waste Minimization Provision of Sanitary Fitments and Fittings in New Buildings 2002/08/26 3 Yes Yes
2001
1/2001 Installation of Water Meters by Licensed Plumbers 2001/11/17 2 Yes Yes
1999
4/1999 Replumbing Works within Buildings 1999/03/31 2 Yes Yes
1/1999 Flushing Supply to Village Houses 1999/01/07 3 Yes Yes
1996
5/1996 Reducing Minimum Flushing Volume from 9 Litres to 7.5 Litres 1996/08/17 2 Yes Yes
1990
2/1990 Need for Plumbing Work to be Carried Out by Licensed Plumbers 1990/09/04 2 Yes NA
1/1990 Illegial Connections at Meter Position and Installation of Inside Service or Fire Service Prior to Approval of Form G 1990/05/11 2 Yes Yes

Note

Category Information
1 Administration
2 Hong Kong Waterworks Standard Requirements
3 Application of Water Supply
4 Approval of Pipes and Fitting