Weekly water update

Data for week ending 23 June 2016
Last update at 5:00 PM 23 June 2016

Dam storage levels


1066.9 billion litres this week


More than week ending 16 June 2016

Avg. catchment rainfall

33.5 mm

This week


More than week ending 16 June 2016

Flow into dams

8,760 ML

This week


More than week ending 16 June 2016

Water use

138 L

Daily avg. per person this week


Less than week ending 16 June 2016

Melbourne's storages up slightly

Melbourne’s storage levels increased by 4.5 billion litres, equivalent to an 0.3% increase.

The four major catchments received 20.9% more rain than the long-term average for the period.

However, the amount of water flowing into storages (8.8 billion litres) was 13.7% below the 30-year average.

Water storages are now 58.9% (1,066.9 billion litres) full, compared with 68.6% (1,242.6 billion litres) at the same time last year - a difference of 175.7 billion litres.

Melburnians used an average of 138 litres of water per person per day, this is three litres less 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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58.9% full at 23 June 2016

1,066,897 ML
Reservoir Total capacity (ML) Current volume (ML) % Full Rainfall recorded (mm)
Thomson 1,068,000 597,108
-201 since last week
55.9% 40.6 (verified)
View hourly unverified
Cardinia 286,911 179,514
+1,002 since last week
62.6% N/A
View hourly unverified
Upper Yarra 200,579 100,669
-614 since last week
50.2% 25 (verified)
View hourly unverified
Sugarloaf 96,253 61,208
+2,387 since last week
63.6% N/A
View hourly unverified
Silvan 40,445 35,838
+1,300 since last week
88.6% N/A
View hourly unverified
Tarago 37,580 33,746
+486 since last week
89.8% N/A
View hourly unverified
Yan Yean 30,266 24,203
+165 since last week
80.0% N/A
View hourly unverified
Greenvale 26,839 21,844
-273 since last week
81.4% N/A
View hourly unverified
Maroondah 22,179 10,314
+262 since last week
46.5% 23.4 (verified)
View hourly unverified
O'Shannassy 3,123 2,453
0 since last week
78.6% 37.4 (verified)
View hourly unverified
Total 1,812,175 1,066,897
+4,514 since last week
58.9% 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.


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 40.6 26.5 53.2% 15.0mm
Upper Yarra 25.0 26.6 -6.0% 14.2mm
O'Shannassy 37.4 38.7 -3.4% 19.8mm
Maroondah 23.4 24.6 -4.9% 15.4mm

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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 4,417 4,370 1.1% 3,088
Upper Yarra 1,152 2,360 -51.2% 1,778
O'Shannassy 1,514 1,800 -15.9% 1,155
Maroondah 1,677 1,620 3.5% 1,842
Total 8,760 10,150 13.7% 7,863

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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 138 141

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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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