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Water Authority Joint Water Supply Scheme  

Development of Further Options for the Gosford-Wyong Joint Water Supply Scheme

Gosford-Wyong Joint Water Supply SystemWays of ensuring that the Central Coast has enough water supply for the future are canvassed in a 12-volume technical report which can be viewed below.

It was prepared for the Gosford and Wyong Councils, which jointly operate the Central Coast water supply.

Entitled ’Development of Further Options for the Gosford-Wyong Joint Water Supply Scheme, the report is available for viewing at Council offices and libraries and is also on a special CD ROM available from the council's customer service desks .

Gosford and Wyong Councils now want options in the report to be considered by the community and government agencies. This is outlined in a media statement here.

A summary brochure can be read here (PDF File - 90KB).

For additional information phone (02) 4950 5555 or (02) 4325 8100.

Details of water restrictions currently in force on the Central Coast can be found here.

Return to Water News.

Gosford-Wyong Joint Water Supply Scheme
Investigation Of Options for Further Development


Click here for an overview of the long term water management strategy.
(PDF File - 1.88 MB)

Table of contents
Working paper 1 - Review of Adopted Scheme and Surface Water Systems File Type and Size

Final paper
Appendix A - Brief
Appendix B - Population and Demand Projections
Appendix C - Water Resources and Water Sharing
Appendix D - System Analyses - Wathnet Model
Appendix E - System Analyses - Monthly Model
Appendix F - Security of Suppy Criteria
Appendix G - Unit Costs
Appendix H - Net Present Value Spreadsheets
Appendix I - Surface Water Options Maps - 1
Appendix I - Surface Water Options Maps - 2
Appendix I - Surface Water Options Maps - 3
Appendix I - Surface Water Options Maps - 4
Appendix I - Surface Water Options Maps - 5

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Working paper 2 - Water Reuse Initiatives  
Final paper
Appendix A - Brief for Working Party
Appendix B - SCI-PLAN Sub-Consultancy Working Party
Appendix C - Cost Estimates of Options
Appendix D - Reuse Maps - 1
Appendix D - Reuse Maps - 2
Appendix D - Reuse Maps - 3

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Working paper 3 - Potential for Desalination  
Final paper
Appendix A - Brief
Appendix B - System Modelling
Appendix C - Unit Costs
Appendix D - Net Present Value Spreadsheets
Appendix E - Manufacturer's Costings - 1
Appendix E - Manufacturer's Costings - 2
Appendix E - Manufacturer's Costings - 3
Appendix E - Manufacturer's Costings - 4
Appendix E - Manufacturer's Costings - 5

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Working paper 4 - Use of Groundwater  
Final paper
Appendix A - Brief
Appendix B - Report by Douglas Partners
Appendix C - Groundwater Option Costings
Appendix D - Groundwater Option Maps - 1
Appendix D - Groundwater Option Maps - 2
Appendix D - Groundwater Option Maps - 3
Appendix D - Groundwater Option Maps - 4
Appendix D - Groundwater Option Maps - 5

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Working paper 5 - Water Saving Initiatives  
Final paper
Appendix A - Summary Costs and Demand Savings Tables
Appendix B - Water Saving Initiatives Extract from ERM Report
Appendix C - Water Saving Programs from Other Authorities
Appendix D - Brief

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Working paper 6 - Overall Options Report  
Final paper - 1
Final paper - 2

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Working paper 7 - Mardi High Lift Pump Station  
Final paper
Appendix A - Projected Demands
Appendix B - Water Supply System Information
Appendix C - System Analyses
Appendix D - Net Present Value Analyses

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Working paper 8 - Forest Hydrology  
Final paper
Appendix A - Brief
Appendix B - Literature Review by Professor Cordery
Appendix C - State Forest Information - 1
Appendix C - State Forest Information - 2
Appendix C - State Forest Information - 3
Appendix C - State Forest Information - 4
Appendix C - State Forest Information - 5
Appendix C - State Forest Information - 6
Appendix D - NEFA Assessments
Appendix E - Rainfall Runoff Modelling
Appendix F - Key References - 1
Appendix F - Key References - 2
Appendix F - Key References - 3
Appendix F - Key References - 4
Appendix F - Key References - 5
Appendix F - Key References - 6
Appendix F - Key References - 7
Appendix F - Key References - 8

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Working paper 9 - Hunter Connection  
Final paper
Appendix A - Report by Urban Water Cycle Solutions

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Working paper 10 - Drought Management  
Final paper
Appendix A - Brief
Appendix B - System Data
Appendix C - Wathnet System

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Working paper 11 - Two Tier Environmental Flows  
Final paper
Appendix A - Extracts from Working Paper 1
Appendix B - Wathnet System Analyses
Appendix C - Location Diagram

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Working paper 12 - Water Saving Rebates  
Final paper - 1
Final paper - 2
Final paper - 3
Final paper - 4
Appendix A - Definition of Benefit and Cost Indicators from DSS Model
Appendix B - Tables of Water Utility
Appendix C - Proposed Timeline
Appendix D
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Page last updated: 28/06/2004

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