| No. |
Description |
Reason of Removal |
Date Removed |
Category |
Applicable to |
| LP |
AP |
| 2025 |
| 1/2025 |
Streamlined Procedure of Fresh Water Cooling Towers Scheme in respect of Application for Water Supply |
Section 3.4 of "Guide to Application for Water Supply" is updated and Appendix 44 is added to incorporate the content of the subject Circular Letter |
2025/02/12 |
3 |
Yes |
Yes |
| 2024 |
| 11/2024 |
Self-Certification Scheme for Application for Water Supply for Catering Business Trades |
Section 4.3.7 and Appendices 39 to 43 of "Guide to Application for Water Supply" re added to incorporate the content of the subject Circular Letter |
2025/02/12 |
3 |
Yes |
Yes |
| 10/2024 |
Simplified Flushing Protocol for Commissioning Stainless Steel Fresh Water Plumbing System |
Sections 4.4.1 and 4.5, Appendices 2(IV) and 17 of "Guide to Application for Water Supply" are updated and new Appendix 18B is added to incorporate the content of the subject Circular Letter |
2025/02/12 |
2 |
Yes |
Yes |
| 9/2024 |
Revised Water Sampling Sequence for Commissioning Fresh Water Plumbing System |
Appendices 6 and 19(B) of "Guide to Application for Water Supply" are updated to incorporate the content of the subject Circular Letter |
2025/02/12 |
3 |
Yes |
Yes |
| 6/2024 |
Proposed Amendments to "Guide to Application for Water Supply" |
Section 7.2 of "Guide to Application for Water Supply" is updated to incorporate the content of the subject Circular Letter |
2025/02/12 |
3 |
Yes |
Yes |
| 5/2024 |
Electronic Approval of Application for Water Supply (AWS) |
New Section 3.18 of "Guide to Application for Water Supply" is added to incorporate the content of the subject Circular Letter |
2025/02/12 |
3 |
Yes |
Yes |
| 3/2024 |
Proposed Amendments to "Guide to Application for Water Supply" |
Section 4.4.1 and Appendix 19(B) of "Guide to Application for Water Supply" are updated to incorporate the content of the subject Circular Letter |
2025/02/12 |
3 |
Yes |
Yes |
| 2023 |
| 7/2023 |
Proposed Amendments to "Guide to Application for Water Supply" |
Appendices 4 and 37 of "Guide to Application for Water Supply" are updated to incorporate the content of the subject Circular Letter |
2025/02/12 |
3 |
Yes |
Yes |
| 6/2023 |
On-Site Water Test for Effecting Water Supply to Fire Service under Exceptional Circumstances |
New Section 4.5.3 of "Guide to Application for Water Supply" is added to incorporate the content of the subject Circular Letter |
2025/02/12 |
3 |
Yes |
Yes |
| 5/2023 |
Updated Water Sampling Protocol for Commissioning of Fresh Water Plumbing System |
Appendices 6 and 19(B) of "Guide to Application for Water Supply" are updated to incorporate the content of the subject Circular Letter |
2025/02/12 |
3 |
Yes |
Yes |
| 4/2023 |
Updated Version of "Guide to Application for Water Supply" |
Obsolete |
2025/02/12 |
3 |
Yes |
Yes |
| 2/2023 |
Enhanced Time Frame for Issuing Reminders and Cancellation in Processing Applications for Water Supplies (AWS) |
New Section 3.15A of "Guide to Application for Water Supply" is added to incorporate the content of the subject Circular Letter |
2025/02/12 |
3 |
Yes |
Yes |
| 1/2023 |
Streamlined Measures in Delinking Approval to Connection Point from Plumbing Proposals in Application for Water Supply (AWS) for New Buildings |
New Section 3.10A and Appendix 38 of "Guide to Application for Water Supply" are added and Appendix 2(I) is updated to incorporate the content of the subject Circular Letter |
2025/02/12 |
3 |
Yes |
Yes |
| 2022 |
| 7/2022 |
Electronic Submission of Application for Portable Meter from Company only and Request for Work to be carried out by the Water Authority |
A new section 3.17 is added to incorporate the content of Circular Letter No. 7/2022 related to Electronic Submission of Application for Portable Meter from Company only and Request for Work to be carried out by the Water Authority. |
2023/08/18 |
1 |
Yes |
Yes |
| 6/2022 |
Ensuring Adequate Illumination for Carrying out Non-Destructive Tests at Solder Joints |
A new section 4.3.4.2 is added to incorporate the content of Circular Letter No. 6/2022 related to Ensuring Adequate Illumination for Carrying out Non-Destructive Tests at Solder Joints. |
2023/08/18 |
2 |
Yes |
Yes |
| 5/2022 |
Updated Water Sampling Requirements for Commissioning of Fresh Water Plumbing System |
A new section 4.4.3.1 and Appendix 19(C) are added and Appendix 19(B) is updated to incorporate the content of Circular Letter No. 5/2022 related to Updated Water Sampling Requirements for Commissioning of Fresh Water Plumbing System. |
2023/08/18 |
3 |
Yes |
Yes |
| 4/2022 |
New Requirements on Inspection of carrying out Non-Destructive Tests at Solder Joints |
A new section 4.3.4.1 is added to incorporate the content of Circular Letter No. 4/2022 related to Requirements on Inspection of carrying out Non-Destructive Tests at Solder Joints. |
2023/08/18 |
2 |
Yes |
Yes |
| 2021 |
| 10/2021 |
Updated Version of “Technical Requirements for Plumbing Works in Buildings” and “Guide to Application for Water Supply” |
Obsolete |
2023/08/18 |
3 |
Yes |
Yes |
| Addendum to 5/2021 |
Voluntary Scheme in Enhancing Plumbing Works Control Stage 1 – Registration of Registered Plumbing Contractors (Provisional) |
Subsumed into Addendum No. 2 to CL 5/2021 |
2022/04/22 |
1 |
Yes |
Yes |
| 9/2021 |
Guidelines for Electronic Submission of Application for Water Supply with Building Information Modelling |
A new section 3.16 is added to incorporate the content of Circular Letter No. 9/2021 related to Electronic Submission of Applications for Water Supplies with Building Information Modelling. |
2023/08/18 |
3 |
Yes |
Yes |
| 8/2021 |
Enhanced Processing Mechanism for Application for Water Supply for New Buildings |
Subsumed into Section 3.15 and Appendix 36 of "Guide to Application for Water Supply" |
2021/12/31 |
3 |
Yes |
Yes |
| 7/2021 |
Record of Cleansing and Disinfection of Fresh Water Inside Service under the Commissioning Requirements |
Subsumed into Section 4.4.5 and Appendix 37 of "Guide to Application for Water Supply" |
2021/12/31 |
3 |
Yes |
Yes |
| 6/2021 |
New Requirement on Meter Position for 40mm Meters |
Subsumed into Figure 4 of ‘Technical Requirements for Plumbing Works in Buildings’ |
2021/12/31 |
3 |
Yes |
Yes |
| 5/2021 |
Voluntary Scheme in Enhancing Plumbing Works Control Stage 1 – Registration of Registered Plumbing Contractors (Provisional) |
Subsumed into Addendum No. 2 to CL 5/2021 |
2022/04/22 |
1 |
Yes |
Yes |
| 4/2021 |
Updated Pre-approved Standard Plumbing Designs for New Village Type Houses |
Subsumed into Section 3.13.1 and Appendices 29 and 30 of "Guide to Application for Water Supply" |
2021/12/31 |
3 |
Yes |
Yes |
| 2020 |
| 6/2020 |
Updated Version of “Technical Requirements for Plumbing Works in Buildings” and “Guide to Application for Water Supply” |
Obsolete |
2021/12/31 |
3 |
Yes |
Yes |
| 5/2020 |
Electronic Submission for Simple Cases of Applications for Water Supplies |
Subsumed into Section 3.14 and Appendix 34 of "Guide to Application for Water Supply" |
2020/12/02 |
3 |
Yes |
Yes |
| 4/2020 |
Mandatory Lead Check for Soldering Materials in Pipe-fittings with Integral Solder Ring upon delivery to Site |
Subsumed into Sections 4.1.4 and 4.3.1.3 of "Guide to Application for Water Supply" |
2020/12/02 |
3 |
Yes |
Yes |
| 2/2020 |
New Application Form and Streamlined Procedure to enhance completeness of Submission Documents for Applications for Water Supplies |
Subsumed into Section 3.2.1 and Appendix 2 of "Guide to Application for Water Supply" |
2020/12/02 |
3 |
Yes |
Yes |
| 1/2020 |
Minimum Meter Size Requirement for Trade Fresh Water Supply to Designated Business Categories |
Subsumed into Section 3.1.11 of ‘Technical Requirements for Plumbing Works in Buildings’ |
2020/12/02 |
3 |
Yes |
Yes |
| 2019 |
| 11/2019 |
Water Efficiency Requirements for Water-closet Fitment in Inside Service |
Subsumed into Sections 7.1.1, 7.3.4 and 7.5.2 of ‘Technical Requirements for Plumbing Works in Buildings’ |
2020/12/02 |
3 |
Yes |
Yes |
| 10/2019 |
Updated Version of “Technical Requirements for Plumbing Works in Buildings” and “Guide to Application for Water Supply” |
Obsolete |
2020/12/02 |
3 |
Yes |
Yes |
| 9/2019 |
Installation of Security Seals for Newly Installed Water Meters of size 40mm or above |
Subsumed into Section 4.2.4 and Appendix 35 of "Guide to Application for Water Supply" and Section 3.1.12 of ‘Technical Requirements for Plumbing Works in Buildings’ |
2020/12/02 |
3 |
Yes |
Yes |
| 8/2019 |
Penalty and Demerit Point System for Managing the Performance of Licensed Plumbers |
Subsumed into Section 4.3.5 of "Guide to Application for Water Supply" |
2020/12/02 |
1 |
Yes |
Yes |
| 7/2019 |
Electronic Submission for Applications for Water Supplies to New Village Type Houses using Pre-approved Standard Plumbing Design Drawings |
Subsumed into Section 3.13 and Appendices 29 to 33 of "Guide to Application for Water Supply" |
2020/12/02 |
3 |
Yes |
Yes |
| 6/2019 |
Streamlined Measures for Processing Applications for Water Supply to New Village Type Houses |
Subsumed into Section 3.2.3, Appendices 27 and 28 of "Guide to Application for Water Supply" |
2020/12/02 |
3 |
Yes |
Yes |
| 5/2019 |
Streamlined Measures for Processing Applications for Water Supplies to Improvised Sprinkler Systems |
Subsumed into Section 3.5.1 of "Guide to Application for Water Supply" |
2020/12/02 |
3 |
Yes |
Yes |
| 3/2019 |
Control on Lining Materials of Potable Water Tanks of Inside Service |
Subsumed into Part B: B9 of ‘Technical Requirements for Plumbing Works in Buildings’ |
2020/12/02 |
4 |
Yes |
Yes |
| 2/2019 |
Procedures for Applications for Water Supply in New Building Projects adopting "Modular Integrated Construction" Method |
Subsumed into Sections 3.12, 4.1.3, 4.2A, 4.3.2A, 4.3.3A, Appendices 2 and 26 of 'Guide to Application for Water Supply' |
2019/10/21 |
3 |
Yes |
Yes |
| 1/2019 |
Streamlined workflow for effecting of water supply to new village houses after disinfection of inside service |
Subsumed into Section 4.5.1 of 'Guide to Application for Water Supply' |
2019/10/21 |
3 |
Yes |
Yes |
| 2018 |
| 6/2018 |
Streamlined Procedures for Processing Applications for Water Supplies for Village Type Houses and Separate Metering |
Subsumed into Sections 3.2.1A, 3.10, 4.1, 4.1.1, 4.1.2, 4.3.3, 4.8, Appendices 2, 3, 6 and 7 of 'Guide to Application for Water Supply' |
2019/10/21 |
3 |
Yes |
Yes |
| 5/2018 |
Streamlined Procedures for Processing Applications for Temporary Water Supplies for Construction Site |
Subsumed into Section 3.11 of 'Guide to Application for Water Supply' |
2019/10/21 |
3 |
Yes |
Yes |
| 9/2017 |
Addendum to Circular Letter No. 9/2017 - New Commissioning Requirements for New Plumbing Works - Revised Systematic Flushing Record Form for New Buildings |
Subsumed into Section 4.4.1, Appendices 2, 17 and 18A of 'Guide to Application for Water Supply' |
2019/10/21 |
3 |
Yes |
Yes |
| 4/2018 |
Technical Requirements for Plumbing Works in Buildings and Guide to Application for Water Supply |
Obsolete |
2019/10/21 |
3 |
Yes |
Yes |
| 3/2018 |
Standing Arrangement for Random Inspection of New Plumbing Works during Construction Stage |
Subsumed into Section 8 of ‘Guide to Application for Water Supply’ |
2018/10/01 |
1 |
Yes |
Yes |
| 1/2018 |
Scheme on Voluntary Submission of Inspection Checklist |
Subsumed into Section 4.3.6 of ‘Guide to Application for Water Supply' |
2018/10/01 |
3 |
Yes |
Yes |
| 2017 |
| 10/2017 |
New Commissioning Requirements for Plumbing Works in Occupied Buildings/Village Houses |
Subsumed into Section 4.3.4 & 4.4 and Appendix 19 of ‘Guide to Application for Water Supply’ |
2018/10/01 |
3 |
Yes |
Yes |
| 9/2017 |
New Commissioning Requirements for New Plumbing Works (Please read in conjunction with Addendum to Circular Letter No. 9/2017) |
Subsumed into Section 4.4 and Appendix 19 of ‘Guide to Application for Water Supply’ |
2018/10/01 |
3 |
Yes |
Yes |
| 7/2017 |
Submission of Consumption Flow Rates and Installation of Flow Restrictor |
Subsumed into Sections 3.6, 4.2.3, Appendices 22, 23 and 24 of 'Guide to Application for Water Supply' |
2019/10/21 |
3 |
Yes |
Yes |
| 6/2017 |
Systematic Flushing for New Plumbing Works |
Subsumed into Section 4.3.1.2, 4.4.1 and 5 and Appendix 17 of ‘Guide to Application for Water Supply’ |
2018/10/01 |
3 |
Yes |
Yes |
| 5/2017 |
Online Re-plumbing Works |
Subsumed into Section 3.3, 4.3.1.2 & 4.7and Appendix 3, 10, 11 and 20 of ‘Guide to Application for Water Supply’ |
2018/10/01 |
3 |
Yes |
Yes |
| 4/2017 |
Random Inspection of New Plumbing Works during Construction Stage |
Superseded by CL No. 3/2018 |
2018/10/01 |
1 |
Yes |
Yes |
| 3/2017 |
Enhancement Measures for Processing Applications for Water Supplies |
Subsumed into Section 3.2.1, 4.1.1 and 4.3.1.1 and Appendix 2 of ‘Guide to Application for Water Supply’ |
2018/10/01 |
3 |
Yes |
Yes |
| 2/2017 |
Water Efficiency Requirements for Fittings in Inside Service |
Subsumed into Section 4.1.2 and Appendix 7 of ‘Guide to Application for Water Supply’ and Section 7.3 and 7.4 of ‘Technical Requirements for Plumbing Works in Buildings’ |
2018/10/01 |
3 |
Yes |
Yes |
| 1/2017 |
WSD Circular Letters in Force |
Obsolete |
2018/10/01 |
1 |
Yes |
Yes |
| 2016 |
| 2/2016 |
Inspection and Approval of Plumbing Works |
Subsumed into Section 4.4.3 of ‘Guide to Application for Water Supply’ |
2018/10/01 |
3 |
Yes |
Yes |
| 1/2016 |
WSD Circular Letters in Force |
Obsolete |
2017/01/13 |
1 |
Yes |
Yes |
| 2015 |
| 9/2015 |
Task Group on Implementation of New Improvement Measures for Controlling Construction of Inside Service |
Subsumed into Section 4.3.5 and 4.8 of ‘Guide to Application for Water Supply’ |
2018/10/01 |
3 |
Yes |
Yes |
| 8/2015 |
Inspection of Plumbing Works and Point Penalty System |
Subsumed into Section 4.3.3 and 4.3.5 of ‘Guide to Application for Water Supply’ |
2018/10/01 |
1 |
Yes |
Yes |
| 7/2015 |
Revision of Application Forms and Pipes and fittings to be Installed in Plumbing Works |
A new version of Form WWO 46 (version 01/19) was promulgated through WSD CL No. 6/2018. Form WWO 132 (9/2015) has been used for several years and the relevant parties are familiar with this version of the form. |
2019/01/01 |
3 |
Yes |
Yes |
| 6/2015 |
Application for Water Supply Pipes and Fittings Approval |
Subsumed into Part B:B2.1.2 of 'Technical Requirements for Plumbing Works in Buildings' |
2019/10/21 |
4 |
Yes |
Yes |
| 5/2015 |
Water Sampling and Solder Joint Sampling and Testing for Newly Installed Fresh Water Inside Service |
Subsumed into Section 4.3.4 of ‘Guide to Application for Water Supply’ |
2018/10/01 |
3 |
Yes |
Yes |
| 4/2015 |
Soldering for Copper Pipe Connections |
Subsumed into Section 4.1.1.2 ‘Technical Requirements for Plumbing Works in Buildings’ |
2018/10/01 |
3 |
Yes |
Yes |
| 3/2015 |
Updated Contact List of Case Officers for Application for Water Supplies |
Subsumed into Section 4.7.2 of ‘Guide to Application for Water Supply’ |
2018/10/01 |
3 |
Yes |
Yes |
| 1/2015 |
Prohibition of Using Leaded Solder at Fresh Water Inside Services and New Parameters for Testing of Water Sample |
Obsolete |
2025/02/12 |
3 |
Yes |
Yes |
| 2014 |
| 1/2014 |
Preventing Unauthorised Use of Mains Water for Fresh Water Cooling Towers |
Subsumed into Section 3.4 of ‘Guide to Application for Water Supply’ and Section 4.2.6.3.4 of ‘Technical Requirements for Plumbing Works in Buildings’ |
2018/10/01 |
3 |
Yes |
Yes |
| 2012 |
| 3/2012 |
Licensed Plumber Directory (ESD Function) - Geographical Districts Served by Plumbers (Chinese version Only) |
Obsolete |
2016/01/26 |
1 |
Yes |
NA |
| 2/2012 |
Cleansing and Disinfection of Fresh Water Inside Service |
Subsumed into Sections 4.4.1, 4.4.2, Appendices 19 and 25 of 'Guide to Application for Water Supply' |
2019/10/21 |
2 |
Yes |
Yes |
| 2010 |
| 5/2010 |
Revision of Fees for Plumber's Licence Application and Associated Payments |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 4/2010 |
New Facility - <Online Payment and Renewal/Reissue of Plumbers' Licence> (Chinese version Only) |
Obsolete |
2016/01/26 |
1 |
Yes |
NA |
| 2/2010 |
Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1/2010 |
Minimum Flow Requirements for Draw-off Taps, Single and Combination Taps |
Subsumed into Section 2.1.2 and Part B:B7 'Technical Requirements for Plumbing Works in Buildings' |
2019/10/21 |
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 |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 2008 |
| 1/2008 |
Amendment to Point Penalty System for Defects in Plumbing Works Carried Out by Licensed Plumbers |
Obsolete |
2016/01/26 |
1 |
Yes |
Yes |
| 2007 |
| 4/2007 |
Amendment to "Hong Kong Waterworks Standard Requirement" |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 3/2007 |
Enhancement for Application of Water Supplies |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 2/2007 |
Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1/2007 |
Reduction of the Minimum Residual Pressure |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 2006 |
| 4/2006 |
Implementation of 5-Day Week for Applications of Plumbers' Licences |
Obsolete |
2016/01/26 |
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 |
Obsolete |
2016/01/26 |
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) |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1/2006 |
Implementation of 5-day Week in Water Supplies Department |
Obsolete |
2016/01/26 |
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 |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 4/2005 |
Guideline on the Installation and Removal of MSL-TD88 Meters |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 3/2005 |
Updated List of Persons to Contact in Water Supplies Department About Processing of Application for New Water Supply |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 2/2005 |
Dropbox for Documents on Application for Metered Supply to New Building Projects |
Obsolete |
2018/10/01 |
3 |
Yes |
Yes |
| 1/2005 |
Reply with Quoting Reference and Plumbing Project/Service Address |
Obsolete |
2016/01/26 |
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 |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 4/2004 |
Installation of Domestic Water Filters (including Water Filters Incorporated in Water Using Apparatuses, such as Drinking Fountain etc.) |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 3/2004 |
Revision of Form WWO132 |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 2/2004 |
Excavation Permit Fees under the Land (Miscellaneous Provisions) (Amendment) Ordinance 2003 |
Obsolete |
2016/01/26 |
1 |
Yes |
Yes |
| 1/2004 |
Change in WWO 46 Submission Practice |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 2003 |
| 7/2003 |
No Need to Re-apply for Acceptance or No-objection Letters of the Same Pipes and Fittings |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 6/2003 |
Advice on Installation of a Filter before the Flushing Valve |
Subsumed into Section 6.10.2.11 'Technical Requirements for Plumbing Works in Buildings' |
2019/10/21 |
2 |
Yes |
Yes |
| 5/2003 |
Imposition of 5% and 10% Surcharge to Overdue Charge on Connection and Meter Installation for New Buildings |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 4/2003 |
Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 3/2003 |
Re-structuring of Customer Services Districts of the Water Supplies Department |
Obsolete |
2016/01/26 |
1 |
Yes |
Yes |
| 2/2003 |
Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1/2003 |
Issue of "No-objection" Letters of Thermoplastic Pipes |
Obsolete |
2017/01/13 |
4 |
Yes |
Yes |
| 2002 |
| 8/2002 |
Renewal of Plumber's Licences |
Obsolete |
2016/01/26 |
1 |
Yes |
NA |
| 7/2002 |
Re-organisation of the Water Supplies Department |
Obsolete |
2016/01/26 |
1 |
Yes |
Yes |
| 6/2002 |
Cleaning and Sterilization of Fresh Water Mains of Inside Service |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 5/2002 |
Waste Minimization Provision of Sanitary Fitments and Fittings in New Buildings |
Subsumed into Section 7.1 of ‘Guide to Application for Water Supply’ |
2018/10/01 |
3 |
Yes |
Yes |
| 4/2002 |
Fresh Water Plumbing Quality Maintenance Recognition Scheme (renamed as "Quality Water Recognition Scheme for Buildings" since 1.1.08) |
Obsolete |
2016/01/26 |
1 |
Yes |
Yes |
| 3/2002 |
Approval of Water Supply Fittings |
Obsolete |
2016/01/26 |
4 |
Yes |
Yes |
| 2/2002 |
Helping Business Programme - Authorizing Private Developers and Authorized Persons to Undertake Water Supply Connection Works |
Obsolete |
2016/01/26 |
1 |
Yes |
Yes |
| 1/2002 |
Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 2001 |
| 3/2001 |
A List of Licensed Plumbers |
Obsolete |
2016/01/26 |
1 |
Yes |
Yes |
| 2/2001 |
Form WWO 542 -Application for Water Supply / Request for Work to be Carried out by the Water Authority |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 1/2001 |
Installation of Water Meters by Licensed Plumbers |
Subsumed into Section 4.2 of ‘Guide to Application for Water Supply’ |
2018/10/01 |
2 |
Yes |
Yes |
| 2000 |
| 4/2000 |
The Use of Valve Type Flushing Devices and Minimum Flushing Volume |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 3/2000 |
Waiving the Requirement to Seek Approval for Commencement of Inside Service/Fire Service Works |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 2/2000 |
Target Response Time for Completing the Key Activities in respect of the Application for New Water Supply |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 1/2000 |
Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1999 |
| 7/1999 |
Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 6/1999 |
Approval of Water Supply Fittings |
Obsolete |
2016/01/26 |
4 |
Yes |
Yes |
| 5/1999 |
Amendments to the Waterworks Regulations |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 4/1999 |
Replumbing Works within Buildings |
Subsumed into Section 3.3.3 of ‘Guide to Application for Water Supply’ |
2018/10/01 |
2 |
Yes |
Yes |
| 3/1999 |
Delay in Reporting Completion of Plumbing Works |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 2/1999 |
Helping Business Programme - Authorsing Private Developers and Authorised Persons to Undertake Water Supply Connection Works |
Obsolete |
2016/01/26 |
1 |
Yes |
Yes |
| 1/1999 |
Flushing Supply to Village Houses |
Subsumed into Section 3.1 of 'Guide to Application for Water Supply' |
2019/10/21 |
3 |
Yes |
Yes |
| 1998 |
| 3/1998 |
Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 2/1998 |
Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1/1998 |
Enquiries Related to Applications for New Water Supply |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 1997 |
| 3/1997 |
Helping Business Programme - Authorising Private Developers to Undertake Water Supply Connection Works |
Obsolete |
2016/01/26 |
1 |
Yes |
Yes |
| 2/1997 |
Licensing of Plumbers |
Obsolete |
2016/01/26 |
1 |
Yes |
Yes |
| 1/1997 |
Identification of Internal Fresh and Salt Water Mains within Large Developments |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1996 |
| 4/1996 |
Submission of Drawings for Approval |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 3/1996 |
Hong Kong Waterwaters Standard Requirements (Aug 95) Amendment No. 1 |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 2/1996 |
Hong Kong Waterworks Standard Requirements for Plumbing Installation in Buildings (August 1995) - Chinese Version |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1/1996 |
Bounded Volume of WSD Circular Letters (12/95) |
Obsolete |
2016/01/26 |
1 |
Yes |
Yes |
| 1995 |
| 6/1995 |
Hong Kong Waterworks Standard Requirements for Plumbing Installation in Buildings (August 1985) |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 5/1995 |
Application for Constructing, Installing, Altering or Removing an Inside Service or Fire Service |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 4/1995 |
A Guide to the Preparation of Plumbing Proposals |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 3/1995 |
Use of Different Pipe Materials as Inside Service in Buildings |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 2/1995 |
Amendments to the Hong Kong Waterworks Standard Requirements (HKWSR) |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1/1995 |
Abandonment of the Use of Unlined Galvanized Steel Pipes as a Fresh Water Inside Service |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1994 |
| 1/1994 |
Inspection of Concealed Inside Service/Fire Service |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 1992 |
| 3/1992 |
Installation of Water Meters by Licensed Plumbers |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 2/1992 |
Waterworks Regulation Part V - Lincensing of Plumbers |
Obsolete |
2016/01/26 |
1 |
Yes |
NA |
| 1/1992 |
Installation of Unvented Electric Thermal Storage Type Water Heaters |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1991 |
| 1/1991 |
Use of Galvanised Steel Pipe and Fittings with Protective Internal Lining on Cold Water Inside Services |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1990 |
| 3/1990 |
Installation of Unvented Electric Thermal Storage Type Water Heaters |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 2/1990 |
Need for Plumbing Work to be Carried Out by Licensed Plumbers |
Obsolete |
2020/04/07 |
2 |
Yes |
NA |
| 1/1990 |
Illegial Connections at Meter Position and Installation of Inside Service or Fire Service Prior to Approval of Form G |
Obsolete |
2020/04/07 |
2 |
Yes |
Yes |
| 1989 |
| 1/1989 |
Application for Installation of Inside Services/Fire Services in New Building Projects |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| NA |
Unvented Electric Storage Water Heater |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1988 |
| 1/1988 |
Installation of Water Meters for Large Building Projects |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 1986 |
| 3/1986 |
Control of Pipes and Fittings |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| 2/1986 |
Amendments to Point Penalty System for Defects in Plumbing Works Carried Out by Licensed Plumbers |
Obsolete |
2016/01/26 |
1 |
Yes |
NA |
| NA |
Approval of Water Supply Fittings (Supplementary No. 3) |
Obsolete |
2016/01/26 |
4 |
Yes |
Yes |
| 1985 |
| NA |
Point Penalty System for Defects in Plumbing Works Carried Out by Licensed Plumbers (Supplementary) |
Obsolete |
2016/01/26 |
1 |
Yes |
NA |
| 1984 |
| NA |
Point Penalty System for Defects in Plumbing Works Carried Out by Licensed Plumbers |
Obsolete |
2016/01/26 |
1 |
Yes |
NA |
| NA |
Approval of Water Supply Fittings (Supplementary No. 2) |
Obsolete |
2016/01/26 |
4 |
Yes |
Yes |
| 1983 |
| NA |
Use of Polybutylene Pipes, Tubings and Fittings on Inside Service |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| NA |
Provision of Water Supply and Fire Service Connections to New Developments |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |
| NA |
Installation of Unvented Thermal Storage Type Water Heaters |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1982 |
| NA |
Approval of Water Supply Fittings (Supplementary No. 1) |
Obsolete |
2016/01/26 |
4 |
Yes |
Yes |
| NA |
Approval of Water Supply Fittings |
Obsolete |
2016/01/26 |
4 |
Yes |
Yes |
| 1981 |
| NA |
Provision of Proper Protection to Galvanized Iron Pipes Encased in Concrete |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1979 |
| NA |
Cold Water Inside Services : Use of Unplasticised Polyvinyl Chloride Pipes and Fittings |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1978 |
| NA |
Cold Water Inside Services : Use of Unplasticised Polyvinyl Chloride Pipes and Fittings |
Obsolete |
2016/01/26 |
2 |
Yes |
Yes |
| 1975 |
| NA |
Fire Service in Buildings |
Obsolete |
2016/01/26 |
3 |
Yes |
Yes |