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Weekly water security and consumption update

A weekly update on the region's water security and consumption.

SEQ dam levels

As at Friday 30 July 2021, the current drinking water supply capacity of the SEQ Water Grid is 59.6%, which is a 0.2% decrease from 23 July 2021. The Grid makes up nearly 90% of South East Queensland’s total water storage volume. See below for further breakdowns.

Please note dam level and rainfall data is updated daily.

Dam Current drinking
water volume (ML)
% full Change in volume
past 7 days (%)
Catchment average rainfall
past 7 days (mm)
Baroon Pocket 56, 091 ML 92.0% -1.0 1.3
Cooloolabin 5, 717 ML 69.9% -1.2 0.2
Ewen Maddock 14, 994 ML 90.4% -0.7 0.1
Hinze 299, 205 ML 96.3% -0.4 0.9
Lake Macdonald (Six Mile Creek) 8, 018 ML 100.0% -0.3 0.6
Leslie Harrison 12, 892 ML 97.6% -0.6 0.1
Little Nerang 5, 277 ML 78.7% -1.5 0.9
North Pine (Lake Samsonvale) 138, 990 ML 64.9% -0.4 0.4
Sideling Creek (Lake Kurwongbah) 14, 129 ML 99.6% -0.3 0.7
Somerset 257, 970 ML 67.9% -1.2 0.1
Wappa 4, 710 ML 100.3% unchanged 0.2
Wivenhoe 490, 811 ML 42.1% +0.3 0.8

* Catchment rainfall is the average of rainfalls recorded in and around the dam catchment.

** On 21 January 2016, temporary full supply levels were enacted for Somerset Dam and Wivenhoe Dam (part of the Somerset Dam Improvement Project). These equate to storage percentages of approximately 80% for Somerset Dam and 90% for Wivenhoe Dam. These temporary full supply levels will remain in place until current dam improvement works at Somerset Dam are completed. Seqwater will commence flood releases from Wivenhoe and Somerset dams if storage levels exceed the enacted temporary full supply levels as a result of rainfall in the dam catchments.

*** On 27 December 2019, a Reduced Full Supply Level was enacted for North Pine Dam (part of the North Pine Dam Improvement Project). The new level equates to a storage percentage of approximately 68% capacity. This new level will remain in place until dam improvement work is completed on North Pine Dam.

SEQ water consumption figures

Water consumption summary for the 14 day period ending Wednesday, 28 July 2021

Zone Daily Production (ML) Daily Per Capita Consumption (L/p/d) Total Weekly Rainfall (mm) Average Weekly Max Temperature (°C)
SEQ Service Provider Weekly LPD Report 817 150
City of Gold Coast 160 161 2.8 21.3
Logan City Council 61 146 12.7 21.4
Redland City Council 35 166 14.4 21.4
Unitywater 168 146 1.6 22.2
Urban Utilities 392 147 5.0 21.8

Residential water consumption for similar time last year (14 day period ending 29 July 2020)

Zone SEQ City of Gold Coast Logan City Council Redland City Council Unitywater Urban Utilities
Average daily residential consumption (L/person) 152 160 159 153 149 148

Any questions?

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