security strategy · 2019. 5. 27. · sw wa will be drier than last century ... seawater...
TRANSCRIPT
Lessons from Western Australia’s Water
Security Strategy
Susan Murphy,
Company Director, the Water Corporation of Western Australia
Our operations
Our operations
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Source: CSIRO
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Climate change: enhanced greenhouse
Modelling from the world’s best
9 General Circulation Models
SW WA will be drier than last century
-20% +5% -60% +10%
From long term average
Last 27 years is representative of this change
From long term average
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Streamflows into Perth’s dams
Looking back
watercorporation.com.au 6
Portfolio of options
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Demand Management campaign
Campaign approach
Tap in - Engaging the Community
What our customers told us
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Key points• When both the qualitative and
quantitative elements of the Tap In process were completed, 20 key insights under five themes were uncovered.
• Seven of the insights were overarching insights – they span across many aspects our business, so don’t fit neatly into just one of the four major themes.
• A key learning from this research is that in many areas our strategy is closely aligned to customers expectations.
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Supporting behaviour change
Partnering with schools
Reducing water use
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Seawater Desalination
Perth Seawater Desalination
Plant (Kwinana) – 45GL
Southern Seawater
Desalination Plant
(Binningup) – 100GL
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Groundwater Replenishment2004
GWR identified as a potential source
2005
Commit to a trial following
community feedback
2007
Commence engagement
20010 - 12
Trial GWR technology and recharge
Ongoing community engagement
2013
Community support,
Regulatory and Government approval
2017
Commence recharge from full-scale GWR
scheme – 14 GL
Groundwater replenishment timeline
2004 2006 2007 2008 2009 2010 2012 2013 2014 2016 2017 2018 2019
Engagement
commenced
Wastewater
characterisation Premier’s Collaborative
Research Program (2006-08)
Interagency Working Group
Aquifer characterisation
Baseline groundwater
sampling
Trial plant commissioned
Recharge commenced
Visitors Centre launched
Trial completed
Recharge continues
Final Trial Report and
government decision
Trial plant decommissioned
Stage 1 construction
Stage 1 plant commissioned
Stage 2 announced
Visitors Centre reopenedStage 1 commences operation
Stage 2 construction
Stage 2 commissioning
Stage 2
commences
operation
Community engagement
Pre Tour Survey Results Post Tour Survey Results
1. Start Recharge
2. Complete Trial
3. GWR Stage 11 32
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