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Water Restrictions

Water Restrictions . John Maudsley Mellissa Stott Suzette Hafey 5 March 2007. Yarra Valley Water. Retail Water Company servicing 1.6 million people In reference to the drought: Managing water and sewerage services within our own area

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Water Restrictions

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  1. Water Restrictions John Maudsley Mellissa Stott Suzette Hafey 5 March 2007

  2. Yarra Valley Water • Retail Water Company servicing 1.6 million people • In reference to the drought: • Managing water and sewerage services within our own area • Working cooperatively across Melbourne with other Water Companies, Government, community and stakeholders on the drought challenges • Each Water Company is responsible to lead various components of the drought response actions Yarra Valley Water Ltd

  3. The current situation • Below average rainfall and prolonged dry weather means our water storages are at a low 33.8per cent • Drought Response Plan rationale • Stage 3 Restrictions came into effect January 1, 2007. Savings close to predicted savings • Stage 4 Restrictions possibly early May 07 • Climate change and this severe drought means a paradigm shift in thinking Yarra Valley Water Ltd

  4. Storages Yarra Valley Water Ltd

  5. Current Water Storage UPDATED TO 6 FEBRUARY 2007 STORAGE 8AM TODAY: 638.0 GL (36.0%) STORAGE LAST WEEK: 649.6 GL (36.6%) Yarra Valley Water Ltd

  6. Melbourne’s Water Consumption • Residential 59% • Non Presentational 30% • Non Revenue Water 11% • Melbourne consumes ~ 8% of Victoria's water Yarra Valley Water Ltd

  7. Drought Response Management • Current water industry focus: • Industry coordinated approach to restrictions and supply options. • Encourage / educate customers to comply with restrictions • Working closely with most affected industries – namely turf, vehicle washing, pool / spa and outdoor sporting activities • Assist customers with water conservation • Enforce compliance (where necessary) • Seeking to achieve the targeted water savings of at least 12% on an annual basis for stage 3 water restrictions (in addition to the savings from previous stage) Yarra Valley Water Ltd

  8. Planning for Extreme Drought Worst Case - Supply Options • Operational activities, reintroducing weirs out of service • Managing releases to accurately meet environmental flows • Moving timber harvesting away from higher yield catchments • Fast tracking Tarago Reservoir treatment plant • Access to volumes below extreme operating levels • Blue Rock Dam connection • Groundwater investigations • Other large supply options • Using smaller sites for non potable use (e.g. Devil Bend) Yarra Valley Water Ltd

  9. Learning's to date: • Level of angst and anger increases on each restriction stage. • We are all in this together. Most people / groups have the best intent. • Impacts are more serious than previously anticipated, e.g. social and unemployment. • Climate Change to be factored in. • Great innovative ideas and new business is being created – although does not outweigh the adverse impacts Yarra Valley Water Ltd

  10. How we can help you with Stage 4 • We recognise that there are serious social impacts because of Stage 4. • Our treatment plants (Craigieburn, Lilydale & Brushy Creek) are available for taking of Class B recycled water. • Two YVW trucks available to supply water (one recycled) • Possible partnership projects • Aim for win-win scenarios where possible Yarra Valley Water Ltd

  11. Challenges / Suggestions • Having a go with innovative changes, work improvements • Offering options. (However YVW is not the expert in your field) • Assisting customers with their concerns and worries • Making sure that the message is consistent across Melbourne • Be strategic. Yarra Valley Water Ltd

  12. Thank you – Questions Yarra Valley Water Ltd

  13. Yarra Valley Water Ltd

  14. The Key Challenge GDP per capita ($US) Ecological Footprint (Ha per Person) Yarra Valley Water Ltd

  15. All alternative supply options (note change of cost scale) Yarra Valley Water Ltd

  16. Most cost-efficient demand management options Yarra Valley Water Ltd

  17. All demand management options (note change of cost scale) Yarra Valley Water Ltd

  18. Cost-efficient catchment supply options Yarra Valley Water Ltd

  19. Most cost-efficient alternative supply options Yarra Valley Water Ltd

  20. All alternative supply options (note change of cost scale) Yarra Valley Water Ltd

  21. Restriction Exemptions – January 07 • Our Contact Centre has taken over 16 thousand calls on water restrictions (up 5000 from December) • Received over 800 exemption applications • 600 approvals • 66 rejections • Rest were within guidelines Yarra Valley Water Ltd

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