Weekly water update

Data for week ending 26 February 2015
Last update at 9:00 AM 27 February 2015

Dam storage levels

73.5%

1330.4 billion litres this week

-0.4%

Less than week ending 19 February 2015

Avg. catchment rainfall

16.4 mm

This week

-17.1mm

Less than week ending 19 February 2015

Flow into dams

2,109 ML

This week

-1368ML

Less than week ending 19 February 2015

Water use

191 L

Daily avg. per person this week

15L

More than week ending 19 February 2015

Rain tempers weekly storage decline

 
Rainfall was above average again this week, slightly slowing the 8.4 billion litre decrease in Melbourne’s water storages.
 
The 0.4% decline was just below the weekly summer average drop of 0.5%.
 
The four major catchments received between 9.2 to 18.6 mm of rain, the average being 16.4 mm. This was 19.7 % above the long-term average for the period of 13.7 mm.
 
Despite the rainfall, streamflow performance was a third below the long-term average. The 2.1 billion litres of stream flow that entered reservoirs was 29.9% below the 30-year average for the period (3.0 billion litres).
 
The 2.1 billion litres of stream flow that entered reservoirs was 29.9% below the 30-year average for the period (3.0 billion litres).
 
Water storages are now 73.5% (1,331.4 billion litres) full, compared with 76.3% (1,381.9 billion litres) at the same time last year – a difference of 50.5billion litres.
 
Melburnians used an average of 191 litres of water per person per day. This is 15 litres more than the previous week
 
Permanent water use rules are currently in place. Information on water use rules and tips on how to save water can be seen here or by contacting the government water retailers.

 

Dam storage levels

Hide details [-]

73.5% full at 26 February 2015

1,330,421 ML
Reservoir Total capacity (ML) Current volume (ML) % Full Rainfall recorded (mm)
Thomson 1,068,000 824,709
-415 since last week
77.2% 18.6 (verified)
View hourly unverified
Cardinia 286,911 174,045
-238 since last week
60.7% N/A
View hourly unverified
Upper Yarra 200,579 121,380
-6,401 since last week
60.5% 17 (verified)
View hourly unverified
Sugarloaf 96,253 83,612
-698 since last week
86.9% N/A
View hourly unverified
Silvan 40,445 34,714
-629 since last week
85.8% N/A
View hourly unverified
Tarago 37,580 36,607
-54 since last week
97.4% N/A
View hourly unverified
Yan Yean 30,266 26,080
-66 since last week
86.2% N/A
View hourly unverified
Greenvale 26,839 16,329
-151 since last week
60.8% N/A
View hourly unverified
Maroondah 22,179 10,285
-787 since last week
46.4% 12 (verified)
View hourly unverified
O'Shannassy 3,123 2,660
+68 since last week
85.2% 9.2 (verified)
View hourly unverified
Total 1,812,175 1,330,421
-9,371 since last week
73.4% N/A

Download this data (.CSV)

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

Show details [+]
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 18.6 14.0 37.8% 4.2mm
Upper Yarra 17.0 12.0 40.5% 6.4mm
O'Shannassy 9.2 15.0 -38.3% 2.0mm
Maroondah 12.0 18.0 -33.7% 3.0mm

Download this data (.CSV)

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

Flow into dams

Show details [+]
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 726 1,000 -27.4% 772
Upper Yarra 361 570 -36.7% 106
O'Shannassy 453 720 -37.1% 447
Maroondah 569 720 -21.0% 409
Total 2,109 3,010 29.9% 1,734

Download this data (.CSV)

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

Water use for Melbourne

Show details [+]
Daily water use This week's daily average (L) Last week's daily average (L)
Per Person Water Use 191 176

Download this data (.CSV)

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.

Copyright Melbourne Water