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WSD Circular Letters (Superseded)

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 Circular Letters are removed from the list when they are outdated or their contents have been subsumed in other relevant publications issued by Water Supplies Department.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 Circular Letters are removed from the list when they are outdated or their contents have been subsumed in other relevant publications issued by Water Supplies Department.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
2016
1/2016 WSD Circular Letters in Force 2016/01/26 1 Yes Yes
2012
3/2012 Licensed Plumber Directory (ESD Function) - Geographical Districts Served by Plumbers (Chinese version Only) 2012/09/14 1 Yes NA
2010
5/2010 Revision of Fees for Plumber's Licence Application and Associated Payments (This circular letter was obsolete and removed.) 2010/12/15 2 Yes Yes
4/2010 New Facility - <Online Payment and Renewal/Reissue of Plumbers' Licence> (Chinese version Only) 2010/10/19 1 Yes NA
2/2010 Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) 2010/09/24 2 Yes Yes
2009
1/2009 Pilot Scheme for the Submission of the Pre-approved Material List by Licensed Plumber for the Application for Water Supply for the Food Business (Restaurant) Premises (This circular letter was obsolete and removed.) 2009/05/07 3 Yes Yes
2008
1/2008 Amendment to Point Penalty System for Defects in Plumbing Works Carried Out by Licensed Plumbers 2008/06/27 1 Yes Yes
2007
4/2007 Amendment to "Hong Kong Waterworks Standard Requirement" 2007/10/26 2 Yes Yes
3/2007 Enhancement for Application of Water Supplies 2007/10/10 3 Yes Yes
2/2007 Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) 2007/06/20 2 Yes Yes
1/2007 Reduction of the Minimum Residual Pressure 2007/03/27 2 Yes Yes
2006
4/2006 Implementation of 5-Day Week for Applications of Plumbers' Licences 2006/11/30 1 Yes Yes
2/2006 Addendum to WSD Circular Letter No. 2/2006 - Implementation of Master Metering Policy for Fresh Water and Temporary Mains-water for Flushing Inside Service and Fire Service 2006/09/18 2 Yes Yes
2/2006 Amendment to WSD Circular Letter No. 5/2005 - Implementation of Master Metering Policy for Fresh Water and Temporary Mains-water for Flushing Inside Service and Fire Service (This Circular Letter is to be read in conjunction with Circular Letter No. 5/2005) 2006/09/01 2 Yes Yes
1/2006 Implementation of 5-day Week in Water Supplies Department 2006/06/06 1 Yes Yes
2005
5/2005 Implementation of Master Metering Policy for Fresh Water and Temporary Mains-water for Flushing Inside Service and Fire Service 2005/11/23 2 Yes Yes
4/2005 Guideline on the Installation and Removal of MSL-TD88 Meters 2005/11/17 2 Yes Yes
3/2005 Updated List of Persons to Contact in Water Supplies Department About Processing of Application for New Water Supply 2005/06/14 3 Yes Yes
2/2005 Dropbox for Documents on Application for Metered Supply to New Building Projects 2005/06/14 3 Yes Yes
1/2005 Reply with Quoting Reference and Plumbing Project/Service Address 2005/04/20 1 Yes Yes
2004
5/2004 Rolling Out of Customer Care and Billing System Phase IIa Application of Plumbers' Licence and Application of Water Supply 2004/12/31 3 Yes Yes
4/2004 Installation of Domestic Water Filters (including Water Filters Incorporated in Water Using Apparatuses, such as Drinking Fountain etc.) (This circular letter was obsolete and removed.) 2004/10/25 2 Yes Yes
3/2004 Revision of Form WWO132 (This circular letter was obsolete and removed.) 2004/05/21 3 Yes Yes
2/2004 Excavation Permit Fees under the Land (Miscellaneous Provisions) (Amendment) Ordinance 2003 2004/03/30 1 Yes Yes
1/2004 Change in WWO 46 Submission Practice 2004/02/27 3 Yes Yes
2003
7/2003 No Need to Re-apply for Acceptance or No-objection Letters of the Same Pipes and Fittings 2003/09/04 2 Yes Yes
5/2003 Imposition of 5% and 10% Surcharge to Overdue Charge on Connection and Meter Installation for New Buildings 2003/08/16 3 Yes Yes
4/2003 Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) 2003/05/21 2 Yes Yes
3/2003 Re-structuring of Customer Services Districts of the Water Supplies Department 2003/02/21 1 Yes Yes
2/2003 Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) 2003/02/14 2 Yes Yes
1/2003 Issue of "No-objection" Letters of Thermoplastic Pipes 2003/01/06 4 Yes Yes
2002
8/2002 Renewal of Plumber's Licences 2002/10/15 1 Yes NA
7/2002 Re-organisation of the Water Supplies Department 2002/09/09 1 Yes Yes
6/2002 Cleaning and Sterilization of Fresh Water Mains of Inside Service (This circular letter was obsolete and removed.) 2002/08/26 2 Yes Yes
4/2002 Fresh Water Plumbing Quality Maintenance Recognition Scheme (renamed as "Quality Water Recognition Scheme for Buildings" since 1.1.08) 2002/08/09 1 Yes Yes
3/2002 Approval of Water Supply Fittings (This circular letter was obsolete and removed.) 2002/06/28 4 Yes Yes
2/2002 Helping Business Programme - Authorizing Private Developers and Authorized Persons to Undertake Water Supply Connection Works 2002/04/09 1 Yes Yes
1/2002 Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) 2002/02/22 2 Yes Yes
2001
3/2001 A List of Licensed Plumbers 2001/03/12 1 Yes Yes
2/2001 Form WWO 542 -Application for Water Supply / Request for Work to be Carried out by the Water Authority 2001/12/21 3 Yes Yes
2000
4/2000 The Use of Valve Type Flushing Devices and Minimum Flushing Volume 2000/10/31 2 Yes Yes
3/2000 Waiving the Requirement to Seek Approval for Commencement of Inside Service/Fire Service Works (This circular letter was obsolete and removed.) 2000/07/21 3 Yes Yes
2/2000 Target Response Time for Completing the Key Activities in respect of the Application for New Water Supply 2000/07/05 3 Yes Yes
1/2000 Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) 2000/06/07 2 Yes Yes
1999
7/1999 Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) 1999/11/30 2 Yes Yes
6/1999 Approval of Water Supply Fittings (This circular letter was obsolete and removed.) 1999/07/12 4 Yes Yes
5/1999 Amendments to the Waterworks Regulations 1999/06/19 2 Yes Yes
3/1999 Delay in Reporting Completion of Plumbing Works 1999/03/19 3 Yes Yes
2/1999 Helping Business Programme - Authorsing Private Developers and Authorised Persons to Undertake Water Supply Connection Works 1999/02/10 1 Yes Yes
1998
3/1998 Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) 1998/12/17 2 Yes Yes
2/1998 Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) 1998/09/04 2 Yes Yes
1/1998 Enquiries Related to Applications for New Water Supply 1998/08/10 3 Yes Yes
1997
3/1997 Helping Business Programme - Authorising Private Developers to Undertake Water Supply Connection Works 1997/12/31 1 Yes Yes
2/1997 Licensing of Plumbers 1997/10/20 1 Yes Yes
1/1997 Identification of Internal Fresh and Salt Water Mains within Large Developments 1997/03/27 2 Yes Yes
1996
4/1996 Submission of Drawings for Approval 1996/03/28 3 Yes Yes
3/1996 Hong Kong Waterwaters Standard Requirements (Aug 95) Amendment No. 1 1996/02/09 2 Yes Yes
2/1996 Hong Kong Waterworks Standard Requirements for Plumbing Installation in Buildings (August 1995) - Chinese Version 1996/02/08 2 Yes Yes
1/1996 Bounded Volume of WSD Circular Letters (12/95) 1996/01/26 1 Yes Yes
1995
6/1995 Hong Kong Waterworks Standard Requirements for Plumbing Installation in Buildings (August 1985) 1995/10/16 2 Yes Yes
5/1995 Application for Constructing, Installing, Altering or Removing an Inside Service or Fire Service (This circular letter was obsolete and removed.) 1995/09/20 3 Yes Yes
4/1995 A Guide to the Preparation of Plumbing Proposals 1995/06/12 3 Yes Yes
3/1995 Use of Different Pipe Materials as Inside Service in Buildings 1995/05/01 2 Yes Yes
2/1995 Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) 1995/03/03 2 Yes Yes
1/1995 Abandonment of the Use of Unlined Galvanized Steel Pipes as a Fresh Water Inside Service 1995/01/10 2 Yes Yes
1994
1/1994 Inspection of Concealed Inside Service/Fire Service 1994/05/23 3 Yes Yes
1992
3/1992 Installation of Water Meters by Licensed Plumbers 1992/12/10 3 Yes Yes
2/1992 Waterworks Regulation Part V - Lincensing of Plumbers 1992/12/18 1 Yes NA
1/1992 Installation of Unvented Electric Thermal Storage Type Water Heaters 1992/05/13 2 Yes Yes
1991
1/1991 Use of Galvanised Steel Pipe and Fittings with Protective Internal Lining on Cold Water Inside Services 1991/07/23 2 Yes Yes
1990
3/1990 Installation of Unvented Electric Thermal Storage Type Water Heaters 1990/09/11 2 Yes Yes
1989
1/1989 Application for Installation of Inside Services/Fire Services in New Building Projects 1989/05/26 3 Yes Yes
NA Unvented Electric Storage Water Heater 1989/02/09 2 Yes Yes
1988
1/1988 Installation of Water Meters for Large Building Projects 1988/04/20 3 Yes Yes
1986
3/1986 Control of Pipes and Fittings (This circular letter was obsolete and removed.) 1986/12/05 3 Yes Yes
2/1986 Amendments to Point Penalty System for Defects in Plumbing Works Carried Out by Licensed Plumbers 1986/10/24 1 Yes NA
NA Approval of Water Supply Fittings (Supplementary No. 3) (This circular letter was obsolete and removed.) 1986/02/25 4 Yes Yes
1985
NA Point Penalty System for Defects in Plumbing Works Carried Out by Licensed Plumbers (Supplementary) 1985/09/11 1 Yes NA
1984
NA Point Penalty System for Defects in Plumbing Works Carried Out by Licensed Plumbers 1984/08/24 1 Yes NA
NA Approval of Water Supply Fittings (Supplementary No. 2) (This circular letter was obsolete and removed.) 1984/01/16 4 Yes Yes
1983
NA Use of Polybutylene Pipes, Tubings and Fittings on Inside Service 1983/10/15 2 Yes Yes
NA Provision of Water Supply and Fire Service Connections to New Developments 1983/03/22 3 Yes Yes
NA Installation of Unvented Thermal Storage Type Water Heaters 1983/02/18 2 Yes Yes
1982
NA Approval of Water Supply Fittings (Supplementary No. 1) (This circular letter was obsolete and removed.) 1982/11/12 4 Yes Yes
NA Approval of Water Supply Fittings (This circular letter was obsolete and removed.) 1982/07/02 4 Yes Yes
1981
NA Provision of Proper Protection to Galvanized Iron Pipes Encased in Concrete 1981/05/01 2 Yes Yes
1979
NA Cold Water Inside Services : Use of Unplasticised Polyvinyl Chloride Pipes and Fittings 1979/03/08 2 Yes Yes
1978
NA Cold Water Inside Services : Use of Unplasticised Polyvinyl Chloride Pipes and Fittings 1978/04/12 2 Yes Yes
1975
NA Fire Service in Buildings 1975/02/24 3 Yes Yes

Main

Note

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