Weekly water update

Data for week ending 22 September 2016
Last update at 5:00 PM 22 September 2016

Dam storage levels

67.8%

1227.9 billion litres this week

0.5%

More than week ending 15 September 2016

Avg. catchment rainfall

19.2 mm

This week

-16.2mm

Less than week ending 15 September 2016

Flow into dams

15,374 ML

This week

1796ML

More than week ending 15 September 2016

Water use

134 L

Daily avg. per person this week

1L

More than week ending 15 September 2016

Catchments miss out on recent drenching 

Melbourne’s storage levels increased by 0.5% of capacity last week, a net gain of 8.6 billion litres.

Water storages are now 67.8% (1,227.9 billion litres) full, compared to 74.3% at the same time last year – a difference of 118.7 billion litres.
 
Rainfall in the four major catchments was 29.9% below the long term average for the period (27.4mm).
 
The 15.4 billion litres of stream flow was 27.7% below the 30-year average for the period (21.3 billion litres).
 
Melburnians used an average of 134 litres of water per person per day, one litre more than the previous week.
 
Permanent water use rules are currently in place and Target 155 has been launched to encourage Melburnians to reduce water consumption.
 
Information on Target 155 is available on the Department of Environment, Land, Water and Planning’s website or by contacting your local water retailer.
 

Dam storage levels

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67.8% full at 22 September 2016

1,227,882 ML
Reservoir Total capacity (ML) Current volume (ML) % Full Rainfall recorded (mm)
Thomson 1,068,000 679,412
+5,922 since last week
63.6% 17.6 (verified)
View hourly unverified
Cardinia 286,911 183,143
-650 since last week
63.8% N/A
View hourly unverified
Upper Yarra 200,579 120,801
+2,264 since last week
60.2% 16.4 (verified)
View hourly unverified
Sugarloaf 96,253 95,036
-217 since last week
98.7% N/A
View hourly unverified
Silvan 40,445 34,971
-341 since last week
86.5% N/A
View hourly unverified
Tarago 37,580 37,710
-35 since last week
100.0% N/A
View hourly unverified
Yan Yean 30,266 26,019
+434 since last week
86.0% N/A
View hourly unverified
Greenvale 26,839 25,384
+390 since last week
94.6% N/A
View hourly unverified
Maroondah 22,179 22,259
+895 since last week
100.0% 33.6 (verified)
View hourly unverified
O'Shannassy 3,123 3,147
-29 since last week
100.0% 20.8 (verified)
View hourly unverified
Total 1,812,175 1,227,882
+8,633 since last week
67.8% N/A

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Dam storage levels includes all of Melbourne's water storage areas that receive water from catchments and the desalination plant.

Storages

Monthly average storage levels of Melbourne's reservoirs over the years. Data is updated at the end of each month. View our interactive storage graph, displaying data from 1940 - present.

Rainfall at dams

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Catchment This week (mm) This week's long term average (ML) based on mean from previous 30 years Variation
(to the average)
Same time last year
Thomson 17.6 26.2 -32.8% 17.2mm
Upper Yarra 16.4 26.4 -37.9% 22.8mm
O'Shannassy 20.8 36.1 -42.4% 25.4mm
Maroondah 33.6 26.5 26.8% 19.0mm

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Rainfall data is a weighted average catchment figure that is validated and provided for four major catchments only.

Flow into dams

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Catchment This week (ML) This week's long term average (ML) based on mean from previous 30 years Variation
(to the average)
Same time last year (ML)
Thomson 6,337 9,000 -29.6% 4,124
Upper Yarra 3,798 6,260 -39.3% 2,457
O'Shannassy 2,636 3,340 -21.1% 1,796
Maroondah 2,603 2,660 -2.1% 1,634
Total 15,374 21,260 27.7% 10,011

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Flow into dams is a total of water flowing from our four major catchments into reservoirs.

Water use for Melbourne

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Daily water use This week's daily average (L) Last week's daily average (L)
Per Person Water Use 134 133

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Water use shows Melbourne's total usage each day and includes Western Water. The total amount used by all Melbournians -both business and households.

All figures include non-metropolitan supply for Western Water (supplied since March 2000), which are not included in annual Melbourne metropolitan consumption figures.

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