1. Total Water Management vs Secondary Water Dam in Greater Sydney Metropolitan Area The Issue – Currently highly topical (We are in a major drought, storage at 48.4%), getting more media coverage all the time – Last Saturday in the SMH Very complex – incredible number of government departments, advisory boards, etc

2. Total Water Management vs Secondary Water Dam in Greater Sydney Metropolitan Area Sydney Catchment Authority Sydney Water Corporation Department of Infrastructure, Planning and Natural Resources (DIPNR) Department of Energy, Utilities and Sustainability (DEUS) Environmental Protection Authority (EPA) Independent and Pricing Authority of New South Wales (IPART) National Competition Council (NCC) National Parks Association of New South Wales Independent Expert Panel on Environmental Flows for the Hawkesbury-Nepean and Shoalhaven Rivers Water Chief Executives Taskforce The World Commission on Dams International Rivers Network

3. Total Water Management vs Secondary Water Dam in Greater Sydney Metropolitan Area Scope Comparison of demand management and extra supply for Sydney’s water Financial and Cost-benefit appraisals – Why have the outcomes of these varied over time

4. Total Water Management vs Secondary Water Dam in Greater Sydney Metropolitan Area Welcome Reef Dam Location History Inevitability ‘Indefinite postponement’

5. Total Water Management vs Secondary Water Dam in Greater Sydney Metropolitan Area Welcome Reef Dam Benefits –Bulk water supply –Control of environmental flows –Recreation / tourism Costs –Construction / operation –Environmental Flora and fauna Water quality / environmental flows –Resettlement of displaced residents

6. Total Water Management vs Secondary Water Dam in Greater Sydney Metropolitan Area Welcome Reef Dam Financial analysis – See if possible for private funding / PPP Social cost-benefit analysis – Determine the overall value to society Sensitivity analysis – many variables: –Construction costs –Environmental costs –Time for dam to fill

7. Total Water Management vs Secondary Water Dam in Greater Sydney Metropolitan Area Total Water Management History Demand management options –Consumer behaviour Pricing / incentives / education –Regulatory measures New housing / retrofitting / leakage reduction / recycling Cost-benefit analysis Financial analysis