WEST Australia’s thirstiest households are staring down a 16 per cent increase to their water bills under a new “water efficiency model” being introduced by the State Government in July.
But Melville households should be spared from the worst of it, if average water use is anything to go by.
Water Minister Dave Kelly said the average household would pay 5.5 per cent more for water during 2018-19.
However the metropolitan’s worst water guzzlers, those that use more than 500 kilolitres (KL) a year, will pay significantly more.
The Melville suburb with the highest average water use in 2016-17 was Winthrop at 288KL per household.
Palmyra households drew on the least, with average consumption at 175KL per home.
“The Water Corporation will write to households who used more than 500KL last year prior to the implementation of these changes on July 1, 2018,” Mr Kelly said.
“This will give those impacted households the opportunity to moderate their water usage.”
Opposition Water spokesman David Honey argued the increases were excessive.
“The (Government) is treating West Australians as fools; telling average water users they should be grateful for an increase of six times the inflation rate,” he said.
Dr Honey said larger families would be hardest hit.
“We already have a user-pays system. People who use more water automatically pay more,” he said.
WA’s worst water guzzlers currently make up less than seven percent of Perth households but account for 17 per cent of the City’s water use.
The new pricing model formed part of the State Government’s 2018-19 budget, with the “representative household” to pay an extra $292 in fees and charges over the coming 12 months.
State Government’s pricing structure for 2018-19
Tier 3 – 500 kilolitres (KL) and above: $4.44 per KL
Tier 2 – between 151 kilolitres and 500KL: $2.38 per KL
Tier 1 – up to 150KL: $1.78 per KL
Average annual household water use in 2016-17 (*1 kilolitre = 1000 litres)
Alfred Cove: 230KL
Bull Creek: 211KL
Mt Pleasant: 251KL
Metropolitan area: 223KL