Weekly water update

Data for week ending 16 February 2017
Last update at 5:00 PM 16 February 2017

Dam storage levels

68.0%

1233.2 billion litres this week

-0.6%

Less than week ending 09 February 2017

Avg. catchment rainfall

5.3 mm

This week

-25.9mm

Less than week ending 09 February 2017

Flow into dams

2,641 ML

This week

-1448ML

Less than week ending 09 February 2017

Water use

178 L

Daily avg. per person this week

-13L

Less than week ending 09 February 2017

Below average rain drives storages down

Melbourne's water storages decreased by 0.6% of capacity this week, representing a net loss of 9.7 billion litres.

The four major catchments received between 4 and 7.4mm of rain, the average being 5.3mm. This was 71.0% below the long-term average for the period of 18.3 mm.

The 2.6 billion litres of stream flow was 36.7% below the 30-year average for the period (4.2 billion litres).

Water storages are now 68.0% (1,233.2 billion litres) full. This is compared with 65.4% (1,185.8 billion litres) at the same time last year and represents a difference of 47.4 billion litres.

Melburnians used an average of 178 litres of water per person per day. This is 13 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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68.0% full at 16 February 2017

1,233,160 ML
Reservoir Total capacity (ML) Current volume (ML) % Full Rainfall recorded (mm)
Thomson 1,068,000 735,062
-928 since last week
68.8% 4.6 (verified)
View hourly unverified
Cardinia 286,911 173,289
-1,267 since last week
60.4% N/A
View hourly unverified
Upper Yarra 200,579 98,895
-4,623 since last week
49.3% 6 (verified)
View hourly unverified
Sugarloaf 96,253 83,213
-2,369 since last week
86.4% N/A
View hourly unverified
Silvan 40,445 35,994
+342 since last week
89.0% N/A
View hourly unverified
Tarago 37,580 35,753
-229 since last week
95.1% N/A
View hourly unverified
Yan Yean 30,266 26,762
-218 since last week
88.4% N/A
View hourly unverified
Greenvale 26,839 25,553
+3 since last week
95.2% N/A
View hourly unverified
Maroondah 22,179 16,369
-69 since last week
73.8% 4 (verified)
View hourly unverified
O'Shannassy 3,123 2,270
-327 since last week
72.7% 7.4 (verified)
View hourly unverified
Total 1,812,175 1,233,160
-9,685 since last week
68.0% 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 4.6 22.8 -79.8% 1.2mm
Upper Yarra 6.0 14.3 58.0% 2.4mm
O'Shannassy 7.4 14.7 -49.7% 3.6mm
Maroondah 4.0 14.5 -72.4% 2.8mm

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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 584 1,560 -62.6% 465
Upper Yarra 893 780 14.5% 20
O'Shannassy 563 900 -37.4% 214
Maroondah 601 930 35.4% 366
Total 2,641 4,170 36.7% 1,065

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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 178 191

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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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