Metro weekly water update
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Target |
Actual |
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18.4 billion litres |
18.6 billion litres |
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N/A |
46 per cent |
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|
N/A |
1.1 billion litres |
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145.3 mm (July average rainfall 1994-2017) |
83 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 580 million litres per day, which was below the forecast of 589 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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31/07/2020 |
575 |
587 |
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30/07/2020 |
589 |
587 |
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29/07/2020 |
577 |
587 |
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28/06/2020 |
579 |
587 |
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27/06/2020 |
597 |
590 |
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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 2020, we have used 17.5 billion litres of water – which is 0.25 billion litres under 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 46 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 8.6 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 3767 actions (warnings + fines) compared with 5246 actions for the same period in 2019.
Annual rainfall
Perth has received 397.6 mm of rainfall since 1 January 2020. The average (1994-2017) rainfall for the same period is 396.2mm (to the end of July).
General water news
Did you know more than 47,600 native plants and shrubs were funded under Water Corporation’s Waterwise Greening Scheme in the last year alone?
The Waterwise Greening Scheme allows local governments to apply for up to $10,000 in co-funding annually to support a range of waterwise greening initiatives.
This includes things like native plant giveaways, waterwise verge transformations, waterwise gardening competitions, verge and garden workshops, waterwise tree planting and development of waterwise demonstration gardens.
Water Minister Dave Kelly this week congratulated the 16 local councils who participated in the scheme. To find out more, and learn if your council takes part, click here.