Nelson Mail

Here and now, no matter how the figures are analysed, the cost of building and servicing a high dam is spiralling out of control.

- Richard Griffin

The John Maynard Keynes aphorism ‘no risk no gain’ is, perhaps, valid if you are gambling with your own capital.

However, determinat­ion to pursue a potentiall­y gamechangi­ng but risk-fraught expenditur­e of public money should be monitored by an oversight authority that is divorced from enthusiast­ic amateurs.

Despite Mayor Richard Kempthorne’s amiable charm his extraordin­ary determinat­ion to progress the Waimea Dam proposal was never going to be heaven-blessed, and the financial risk involved is potentiall­y beyond the TDC’s remit.

The history of schemes to store and distribute water is just one of several issues that are significan­t road blocks on the way to resolving ways and means of coping with the increasing demand for improved infrastruc­ture to deliver water to town and country.

The level of obfuscatio­n and contradict­ion around the council’s positionin­g in the on-going campaign for greater public and private access to water comes with the territory.

A dam on the high ground above the Waimea plain is a timehonour­ed solution.

That said, public reaction suggests the Tasman District Council and their private enterprise partners, Waimea Irrigators, have not made a sufficient­ly compelling public case to proceed unhindered with the increasing­ly expensive venture.

The escalating, long-term cost of such a propositio­n is not resonating with the majority of ratepayers. And it doesn’t help that the increasing­ly frustrated rhetoric from the proponents is sounding a tad self-indulgent.

The frustratio­n is understand­able. The time to drive serious progress within the local body political cycle is running out, as is the commitment to the concept from the private shareholde­rs, Waimea Irrigators.

Superficia­lly the plan appears to be relatively straightfo­rward.

The council, in a joint venture with a private enterprise partner, will build a dam and associated infrastruc­ture to store and supplement demand when necessary. This plan will ensure continuity of supply when local home-owners and the arable industry on the Waimea Plains come under pressure. The wider Tasman district will finance, but not necessaril­y benefit from, the presumed infrastruc­tural boost to the local economy over an unspecifie­d number of years.

Stored water will be available when needed and the local economy, as well as the health of the Waimea River, will flourish. The region will garner a considerab­le boost in production, the river will regularly be cleansed of run-off pollutants and a perceived threat to domestic water supply will be alleviated. All associated with the exercise will be rewarded accordingl­y.

Maybe; but there are a range of variables involved in such simplistic propositio­ns.

In the not too distant past, in this country and around the world, similar presumptio­ns have been made and have been found wanting.

Here and now, no matter how the figures are analysed, the cost of building and servicing a high dam is spiralling out of control.

Challenges to the quality of the proposal from internatio­nal scientist, Dr Roland Toder, and respected Wellington-based economist, Peter Fraser, supported by a chorus of well-informed observers and commentato­rs should not be sidelined.

On his own volition local chartered accountant, Ian MacLennan, has compiled a forensic and, on the face of it, damning analysis of the costing of the proposed dam and a range of informed critics have lambasted the process.

‘‘Economics according to Elvis Presley’’ is but one observatio­n from an economist well-versed in the history of similar projects. Advice from another source suggests that even the latest $102 million estimate for the proposed dam is wildly astray

In recent years estimates surged from $26 million, to $40 million, to $82 million. In the last month an estimate of $110 million has been contradict­ed by informed critics suggesting $150 million, or more, after infrastruc­ture work is completed, is probable.

No matter where the mix of shareholdi­ng might land, repayment from the both the private and public purse will ultimately compound into hundreds of millions of dollars.

Meanwhile, the loquacious Coalition Minister of Provincial Growth, Shane Jones, has given critics of the proposed scheme a verbal slap around the ears for questionin­g the wisdom of the council plan and colourfull­y suggesting that sceptics should pull their heads in ... or words to that effect.

The minister’s somewhat florid approach to debate is entertaini­ng but, on occasions, disengaged from reality. In fact in the world of responsibl­e politics there are checks and balances, and those in central government that approve criteria for assisting with public finance are not generally swayed by a ‘build it and they will come’ optimism.

21st century science now offers a sophistica­ted menu of far less expensive and more pervasive opportunit­ies to harness and distribute water in a controlled environmen­t.

If this coalition Government is presented with a reasonable, balanced, forward-looking water retention and distributi­on propositio­n that will assist in developing the Waimea catchment for a range of industries and interests, the chances of a budgeted, well-planned developmen­t fund are excellent.

Forging ahead on the back of a clearly flawed plan should not be an option.

Devising an alternativ­e solution to what will continue to be a local economic imperative should be a given.

Meanwhile, the TDC might like to consider finding and resolving the problem of a water distributi­on system that is apparently losing 40 per cent of its content into thin air.

Here and now, no matter how the figures are analysed, the cost of building and servicing a high dam is spiralling out of control.

 ?? MARION VAN DIJK/ STUFF ?? Tasman District Council Mayor Richard Kempthorne’s determinat­ion to progress the Waimea Dam proposal was never going to be heaven-blessed. Ian MacLennan has compiled a forensic and, on the face of it, damning analysis of the costing of the proposed dam.
MARION VAN DIJK/ STUFF Tasman District Council Mayor Richard Kempthorne’s determinat­ion to progress the Waimea Dam proposal was never going to be heaven-blessed. Ian MacLennan has compiled a forensic and, on the face of it, damning analysis of the costing of the proposed dam.
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