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      • Available water storage and supply - October 9 2008
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Water storage and supply report - 9 October 2008

During the week the following rainfall (approximately) was recorded in the catchments:

Warragamba	30 mm
Upper Nepean	25 mm
Woronora	17 mm
Shoalhaven	20 mm
Blue Mountains	25 mm

As at 3 pm Thursday, 9 October 2008, the inflow rate to Warragamba Dam including Shoalhaven transfers was 880 megalitres per day and to Tallowa Dam was 270 megalitres per day.

The available storage as at 3 p.m. Thursday, 2 October 2008 was 66.1 %.

Date		24 hours to 8 a.m.			As at 3 p.m.
		Sydney Max. Temp.	Sydney Rainfall	Bulk Water Supply	Available Storage	% Storage
Fri.	3.10.08	31°C	Nil	1 440 ML	1 723 500 ML	66.1%
Sat.	4.10.08	19°C	9.6 mm	1 360 ML	1 722 500 ML	66.0%
Sun.	5.10.08	19°C	3.0 mm	1 343 ML	1 722 500 ML	66.0%
Mon.	6.10.08	19°C	1.6 mm	1 256 ML	1 723 000 ML	66.0%
Tue.	7.10.08	23°C	0.2 mm	1 156 ML	1 722 500 ML	66.0%
Wed.	8.10.08	21°C	Nil	1 312 ML	1 722 000 ML	66.0%
Thu.	9.10.08	20°C	Nil	1 375 ML	1 721 500 ML	66.0%

 

Total supply for the week	9 241 ML
Average daily supply during week	1 320 ML
Volume pumped from Shoalhaven for the week	1 597 ML
Net weekly storage change (megalitres)	-2 960 ML
Net weekly storage change (percentage)	- 0.1 %

 

Available Water Storage as at 9 October 2008
Storage	Full Operating Storage (ML)	Storage Level (m)	Available Storage (ML)	Available Storage (%)	Net Weekly Change (ML)
Cataract	94 300	- 1.70	80 530	85.4	-240
Cordeaux	93 640	- 0.95	86 430	92.3	150
Avon	146 700	- 2.54	120 940	82.4	-680
Nepean	69 810	- 5.20	54 320	77.8	240
Woronora	71 790	- 9.47	42 540	59.3	-260
Warragamba	2 027 000	- 11.74	1 246 160	61.5	-2 800
Prospect	33 300	- 0.54	30 510	91.6	0
Wingecarribee	24 100	- 2.08	15 460	64.1	50
Fitzroy Falls	10 000	- 0.44	7 790	77.9	-1 120
Tallowa*	35 300*	- 0.13	34 380*	97.4*	1 720
Blue Mountains	2 790		2 250	80.6	-20
Total	2 608 730		1 721 310	66.0	-2 960
*NOTE: The "full operating storage" for Tallowa Dam refers only to the amount of water in the dam that is available to be transferred to Sydney and the Illawarra.  When full, the dam can hold 90,000 ML but only 35,300 ML is available to be transferred. Other water from Tallowa Dam is provided to Shoalhaven City Council for supply to local communities.  Water is also released from the dam as environmental flows for the Shoalhaven River.