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Wet 2010 just a blip according to ACTEW

By johnboy 7 January 2011 22

The Canberra Times has been having a chat with ACTEW’s Mark Sullivan about water and infrastructure investment.

Actew managing director Mark Sullivan said once the rains stopped predicted to be in February or March the territory would again have to face at least 20 years of low rainfall.

Although the rains offered breathing space, Actew says there is no reason to doubt scientific predictions of another two dry decades.

On the one hand they have to work from something, on the other hand does anyone really think these long term weather forecasts are worth the paper they’re written on?

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22 Responses to
Wet 2010 just a blip according to ACTEW
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welkin31 6:21 am 10 Jan 11

Even without the 2010 rain – our supply position was building slow and steady in Winter-Spring of 2009, see ACTEW’s graphic of 5 yr dam levels.
We must also remember that most years in Spring (including 2008-09) significant volumes of water spill over Bendora and the midget Cotter. In a July 2007 paper ACTEW put the figure at 29Gl per year – which is 64% of our 45Gl “out of the tap” consumption. So the perceived slow rate of recovery of our dam levels is entirely due to the poor policy decisions which have delayed for many years the no-brainer augmenting of our mountain dam system. Several of the ACTEW statements puzzle me.
[1] Predicting 20 years of low rainfall (whatever low means) seems to me to be a risky statement.
[2] Stating that the current full storages (200Gl) guarantee only 2 years supply, strikes me as unduly pessimistic.
[3] We now hear our GreenLabor masters are “locked in to a policy” to reduce our consumption by 25% in ten years.

They presumably expect to be re-elected next year ?

georgesgenitals 1:46 pm 08 Jan 11

I think we got down to about 40%, which is still heaps. Of course, we need to apply some brains to ensure we have ongoing supply. But to suggest we only got out of this by the skin of our teeth is just emotive bullshit.

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