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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