Weekly water update

Data for week ending 20 April 2017
Last update at 4:00 PM 20 April 2017

Dam storage levels

64.3%

1165.2 billion litres this week

-0.3%

Less than week ending 13 April 2017

Avg. catchment rainfall

0 mm

This week

-30.9mm

Less than week ending 13 April 2017

Flow into dams

1,764 ML

This week

-3880ML

Less than week ending 13 April 2017

Water use

145 L

Daily avg. per person this week

-12L

Less than week ending 13 April 2017

Storages down after dry week
 

Dam levels decreased by 0.2% of capacity, representing a net loss of 4.1 billion litres over the week.

The four major catchments received between 0 to 0.2 mm of rain, the average being 0 mm. This was 100% below the long term average for the period of 14.8 mm.

The 1.8 billion litres of stream flow was 56.8% below the 30 year average for the period (4.1 billion litres).
Water storages are now 64.3% (1,165.2 billion litres) full, compared with 60.6% (1,098.9 billion litres) at the same time last year a difference of 66.3 billion litres.

Melbournians used an average of 145 litres of water per person per day. This is 12 litres less than the previous week.

Permanent water use rules are currently in place and Target 155 has been launched to encourage Melbournians 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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64.3% full at 20 April 2017

1,165,186 ML
Reservoir Total capacity (ML) Current volume (ML) % Full Rainfall recorded (mm)
Thomson 1,068,000 683,561
-4,032 since last week
64.0% 0 (verified)
View hourly unverified
Cardinia 286,911 173,371
+1,195 since last week
60.4% N/A
View hourly unverified
Upper Yarra 200,579 102,347
-165 since last week
51.0% 0 (verified)
View hourly unverified
Sugarloaf 96,253 76,210
-1,615 since last week
79.2% N/A
View hourly unverified
Silvan 40,445 34,971
+185 since last week
86.5% N/A
View hourly unverified
Tarago 37,580 33,363
-171 since last week
88.8% N/A
View hourly unverified
Yan Yean 30,266 26,658
+323 since last week
88.1% N/A
View hourly unverified
Greenvale 26,839 23,379
-256 since last week
87.1% N/A
View hourly unverified
Maroondah 22,179 9,509
-587 since last week
42.9% 0.2 (verified)
View hourly unverified
O'Shannassy 3,123 1,817
+6 since last week
58.2% 0.2 (verified)
View hourly unverified
Total 1,812,175 1,165,186
-5,117 since last week
64.3% 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 0.0 13.6 -100.0% 0.0mm
Upper Yarra 0.0 15.1 -100.0% 0.0mm
O'Shannassy 0.2 17.2 -98.8% 0.0mm
Maroondah 0.2 17.4 -98.9% 0.0mm

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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 626 1,530 -59.1% 307
Upper Yarra 285 810 -64.8% 27
O'Shannassy 430 830 -48.2% 202
Maroondah 423 910 -53.5% 294
Total 1,764 4,080 56.8% 830

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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 145 157

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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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