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Managing the MDB in C21. Prof. Mike Young Research Chair, Water Economics & Management School of Earth and Environmental Sciences The University of Adelaide Friday 21 st December 2006. Less rain means much less water!. Sydney. River Murray Inflow. 5400 GL/yr. 6300 GL/yr. - PowerPoint PPT Presentation
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Managing the MDB in C21
Prof. Mike Young
Research Chair, Water Economics & ManagementSchool of Earth and Environmental SciencesThe University of Adelaide
Friday 21st December 2006
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Less rain means much less water!
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Ra
infa
ll (
mm
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14% less 20% less
Rainfall for Jarrahdale
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Str
ea
mfl
ow
(G
L)
N o te s : S tre a m flo w is fro m Ma y o f la b e lle d ye a r to th e fo l lo w in g Ap ri l
48% less
66% less
S tre a m in flo w fo r P e rth d a m s (P rio r to S tirlin g D a m )
PERTH
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Warragamba + 3 Nepean Dams (Inflows & annual rainfall)
0
1,000
2,000
3,000
4,000
5,000
6,000
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9,000
10,000
1910 1915 1920 1925 1930 1935 1940 1945 1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005
Year
Inflo
w GL
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500
1000
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2500
3000
3500
4000
4500
5000
Rain
fall
(mm
)
892 GL pa
2,027 GL pa
572 GL pa
780 mm pa 907 mm pa 681 mm pa
Sydney
5
5400 GL/yr
6300 GL/yr
River Murray Inflow
Source: MDBC 2006 & Craik 2005
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River Murray Inflows GL
Average infl ow 2006
% of previous
record
july 920 154 GL in 1967 130 84%
august 1360 125 GL in 1902-03 120 96%
sept 1558 178 GL in 1902 112 63%
oct 1100 139 GL in 1914 74 53%
Previous lowest monthly
infl ow bef ore 2006
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Flow reduction in the MDB!
0GL 1,200GL 2,400GL 3,600GL0GL 1,200GL 2,400GL 3,600GL
500 GL = one step forward while taking four steps back
8Source: Goode 2006
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InfrastructureInfrastructure
Flow management/manipulation
GovernanceGovernance
Allocation Allocation policiespolicies
Land Land Management Management
& & improved improved irrigation irrigation practicespractices
Water recoveryWater recovery Water trade Water trade policiespolicies Dynamic Cap Dynamic Cap
on diversionson diversions
Potential Solutions
Source: After Goode 2006
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Governance options
1. State v’s State
2. Managing the System as one
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Governance levels
National Trading protocols
Pricing and charging principles
Register guidelines
Sharing objectives and principles
Basin Actual registers
Water allocation
System scale management
Catchment Development and land-use control
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Charter and Objectives
Charter Manage the MDB as a single system
Objectives Outcome focused
Few in number
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Governance Option
Options Select Committee – Independent Commissioners
Droplet – A new body
Concepts Independent management with strong accountability to
community and parliaments
Skill based members
Appointed by a Ministerial Council to provide coverage of full skill set
Funded via an independent revenue source
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Responsibility and accountability
Possible minimum set
1. Merged entitlement register
2. All allocation announcements
3. Allocation accounts
4. All trading rules
5. Water sharing rules
• Environment v’s consumptive use
6. Infrastructure maintenance
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Process accountability
•Water accounts audited annually
•Ministerial instructions only from the entire Ministerial Council and only in writing
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Integrated Infrastructure Management?
Snowy System
NSW & ACTSystems
Victorian Systems
A Joint Government Enterprise?
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A way forward
Community consideration Do you want change?
Is the Status Quo an option?
Engagement of governance experts Already happening
A public inquiry? Who would Commission?
COAG?
First Ministers?
Is MDB Governance right for C21?
Contact:
Prof Mike YoungWater Economics and ManagementEmail: [email protected]: +61-8-8303.5279Mobile: +61-408-488.538
