Perth metro weekly water update - 12 June 2020
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Target |
Actual |
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7.7 billion litres |
7.8 billion litres |
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N/A |
43 per cent |
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N/A |
0.3 billion litres |
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126.9 mm (June average rainfall 1994-2017) |
28.8 mm |
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Note: 1 billion litres = approx. 400 Olympic swimming pools. Please note the figures in this table are rounded (except for rainfall) to the nearest whole number. |
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Water use
Average water use over the past week was 625 million litres per day, which was below the forecast of 635 million litres.
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Daily water use for the last five days |
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Date |
Actual water use (million litres) |
Forecast (million litres) |
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12/06/2020 |
581 |
625 |
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11/06/2020 |
613 |
625 |
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10/06/2020 |
636 |
625 |
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9/06/2020 |
640 |
625 |
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8/06/2020 |
647 |
648 |
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Note: water use is calculated up to 8am each day for the previous 24 hour period |
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Since 1 July 2019, we have used 288 billion litres of water – which is 7.3 billion litres over the forecast for this period.
Dam level (total for 15 dams)
The dam storage levels have risen slightly this week and are sitting at a combined 43 per cent* of full capacity.
*Please note some dams are filled from different sources - dam levels include the transfer of groundwater and desalinated seawater from treatment plants as well as streamflow (that comes from rainfall). As we use many different sources of water, dams are no longer an accurate indicator of the health of Perth's overall water supply situation.
Streamflow (total for 15 dams)
From 1 May 2020 the dams have received 0.8 billion litres of streamflow. The post-1975 average for the May to April period (called the streamflow year) is 183.9 billion litres.
Sprinkler roster compliance
The two-day a week sprinkler roster now applies. Since 1 January 2020, we have taken a total of 2828 actions (warnings + fines) compared with 4089 actions for the same period in 2019.
Annual rainfall
Perth has received 239 mm of rainfall since 1 January 2020. The average (1994-2017) rainfall for the same period is 303.5 mm (to the end of June).
General water news
If you’re looking to get out and about this weekend, we have some good news. Playgrounds and barbecues have reopened at Water Corporation-managed dams!
We’d like to remind visitors to practise physical distancing and good hygiene at all times. Please clean your hands regularly before, during and after using any shared amenities – bring your own alcohol-based sanitiser. Barbecues should be cleaned before and after each use.
Find out more information about visiting our dams.
Contact: Media team
Phone: 9420 2555