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Secondary water is crap says the ICRC

By johnboy - 27 August 2012 8

Today the Independent Competition and Regulatory Commission has run the numbers on secondary water systems (rainwater tanks, wetlands etc) and come to the same conclusion reached over a century ago, that they don’t make any sense if your primary water system is functional.

Because of this level of security, there is little immediate value to the ACT community in investing in additional public secondary water initiatives. When ACT dams are full, as at present, the value of an extra kilolitre of primary water saved by using secondary water is the cost of treating the primary water and reticulating it to end-users, an estimated cost saving of $0.30/kL. This is much lower than the cost of providing water from any significant public secondary water option canvassed in the inquiry. Moreover, the value of secondary water in postponing the next primary water augmentation is also low as this investment is far distant.

Consequently, the Commission recommends that further public secondary water investments not be undertaken now.

What’s Your opinion?


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8 Responses to
Secondary water is crap says the ICRC
Martlark 6:42 pm 28 Aug 12

AG Canberra said :

And what about getting rid of the poxy requirement to have at least a 1000l tank at all new homes? According to the ICRC guys those are just a waste….

Plus, those water tanks are a health hazard. A breeding pond for mozzies.

switch 4:39 pm 28 Aug 12

davo101 said :

I think the best bit was in one of the submissions:

..failure to incorporate the impact of the ultimate decision on development of the Sydney – Wilton – Goulburn – Canberra VFT; and their implications on water available for water supply, and on water demand.

Wow. This means the VFT is going to use steam locomotives!

c_c 3:45 pm 28 Aug 12

Grail said :

IMHO, collecting rainwater for my garden is a no-brainer: invest in the infrastructure while demand is low, collect water while it is still raining, and enjoy the benefits through the next drought.

Sure is.

People though seem to have a lot of trouble with contingency. I thought one of the main points that came out of the Bushfires was that people had gotten complacent, hazard reduction and response was lacklustre and because of that things went pear shaped.
Looks like the same thing happening here. Yes, dams are full, yes, things are green, no worries we won’t need tanks and restrictions ever again. Oh dear.

davo101 2:51 pm 28 Aug 12

I think the best bit was in one of the submissions:

..failure to incorporate the impact of the ultimate decision on development of the Sydney – Wilton – Goulburn – Canberra VFT; and their implications on water available for water supply, and on water demand.

The commencement of the VFT will immediately trigger major growth in the Sydney – Goulburn – Canberra corridor, with significant impact on the demand for water. The old ‘ACT water versus NSW water’ separation will no longer prevail in the light of national water trading and VFT agreements, resulting in significant growth in demand on ACT primary water sources. It is expected that the Lake George – Bungendore aquifer will be adopted as the central water storage for bulk water transfer from Googong and the Shoalhaven, supplying the Goulburn – Canberra section of the VFT growth corridor.

The NSW decision on a preferred second airport site at Wilton appears to now clear the way for a decision to proceed with this project.

I am not a crackpot.

Yours
Abraham J. Simpson

How_Canberran 2:11 pm 28 Aug 12

…. and just as I was starting to enjoy my cup of ‘greywater’ coffee.

How Canberran

Jivrashia 1:37 pm 28 Aug 12

When ACT dams are full, as at present,

According to the report it seems to imply that the primary source of water was adequate even during times of recent drought (with the support of water restrictions). Check out Figure 3.1 on dam levels over the last 10 year period.

Secondary water is crap
And the stench seems to come from the wetland projects of the Inner North (“Recommendation 4.1: the Inner North pilot stormwater reticulation trial needs to be fully evaluated.“)

Grail 12:57 pm 28 Aug 12

Smart Flush toilets are means of augmenting the primary water system (almost verbatim from the report). Secondary water would be investments in treating sewage, then pumping that clean water back to the reservoir.

IMHO, collecting rainwater for my garden is a no-brainer: invest in the infrastructure while demand is low, collect water while it is still raining, and enjoy the benefits through the next drought.

I love this sunburnt country.

AG Canberra 5:36 pm 27 Aug 12

So no more ACT gov subsidised smart flush toilets?

And no more cash rebates for tank plumbing to toilets and/or washing machines?

And what about getting rid of the poxy requirement to have at least a 1000l tank at all new homes? According to the ICRC guys those are just a waste….

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