Sprinklers will be permanently switched off during winter from next year after the State Government today to retain this year’s trial sprinkler ban.
Yesterday’s decision follows a two-month trial ban during July and August, which Water Minister Graham Jacobs said saved about 2.2 billion litres of water, equivalent to filling 880 Olympic-sized pools and enough to supply towns the size of Manjimup or Collie for a year.
The permanent ban will apply from June 1 to August 31.
The trial ban – for most scheme users south of Kalbarri – was introduced after water usage earlier this winter was running at 800 million litres a day, 300 million litres above average.
Dr Jacobs said today that the ban saved 50 million litres a day, while an independent survey last month indicated 93 per cent of residents supported the move.
“This is an outstanding community achievement because while there has been reasonably consistent rain, we are still well below the long-term annual rainfall average,” Dr Jacobs said
Dams were now at 45.5 per cent of capacity, their second-highest level this decade. They are holding 19 per cent more water than the same time last year.
Water Corporation figures show rainfall in all but one of the catchments for dams supplying Perth are below their historical averages for the year-to-date.
Dr Jacobs said the exact area of the permanent ban, and any adverse impact for industry and local government users would still have to be worked out.
This would occur “soon”, and some areas that took part in the trial ban – which ran from Kalbarri to Esperance and east to Kalgoorlie-Boulder – could have a case to be excluded.
These users were asked to voluntarily stop using bores during the two-month ban period, while garden bore users were allowed to turn them on for maintenance reasons.
“A lot of people say garden bores are not pulling on the scheme, but we all realise our underground water resources are all related,” Dr Jacobs said last month.
Source : www.watoday.com.au
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