Weekly water update

Data for week ending 27 October 2016
Last update at 4:00 PM 27 October 2016

Dam storage levels


1295.1 billion litres this week


More than week ending 20 October 2016

Avg. catchment rainfall

44.4 mm

This week


More than week ending 20 October 2016

Flow into dams

25,152 ML

This week


More than week ending 20 October 2016

Water use

134 L

Daily avg. per person this week


Less than week ending 20 October 2016

Storages still trail 2015

Melbourne’s water storages are now 71.5% full, having increased by 1.0% of capacity during the week. This is equivalent to a net gain of 17.3 billion litres.

The four major catchments received an average of 44.4mm of rain, 115.5 percent above the 30 year average for the period.
The amount of water flowing into storages during the week was 25.2 billion litres. That is 84.4% above the 30-year average for the period (13.6 billion litres).

Melburnians used an average of 134 litres of water per person per day. This is 5 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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71.5% full at 27 October 2016

1,295,117 ML
Reservoir Total capacity (ML) Current volume (ML) % Full Rainfall recorded (mm)
Thomson 1,068,000 723,437
+11,235 since last week
67.7% 50.2 (verified)
View hourly unverified
Cardinia 286,911 180,137
+130 since last week
62.8% N/A
View hourly unverified
Upper Yarra 200,579 145,718
+6,164 since last week
72.7% 37.4 (verified)
View hourly unverified
Sugarloaf 96,253 93,775
-478 since last week
97.4% N/A
View hourly unverified
Silvan 40,445 35,343
-124 since last week
87.4% N/A
View hourly unverified
Tarago 37,580 37,806
+25 since last week
100.0% N/A
View hourly unverified
Yan Yean 30,266 27,828
+406 since last week
91.9% N/A
View hourly unverified
Greenvale 26,839 25,638
-86 since last week
95.5% N/A
View hourly unverified
Maroondah 22,179 22,259
0 since last week
100.0% 42 (verified)
View hourly unverified
O'Shannassy 3,123 3,176
-13 since last week
100.0% 42.4 (verified)
View hourly unverified
Total 1,812,175 1,295,117
+17,259 since last week
71.5% 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 50.2 20.1 149.8% 13.2mm
Upper Yarra 37.4 19.3 93.8% 9.8mm
O'Shannassy 42.4 24.7 71.7% 11.8mm
Maroondah 42.0 22.1 90.0% 14.8mm

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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 11,576 5,940 94.9% 2,048
Upper Yarra 7,578 3,460 119.0% 768
O'Shannassy 3,757 2,390 57.2% 879
Maroondah 2,241 1,850 21.1% 462
Total 25,152 13,640 84.4% 4,157

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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 134 139

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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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