Bulk water storage and supply report - 1 February 2007

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

As at 3 p.m. Thursday, 1 February 2007, the inflow rate to Warragamba Dam was 15 megalitres per day and to Tallowa Dam was 20 megalitres per day.

Total supply for the week	10 586 ML
Average daily supply during week	1 512 ML
Volume pumped from Shoalhaven for the week	54 ML
Net weekly storage change (megalitres)	- 13 410ML
Net weekly storage change (percentage)	- 0.5 %

Available Water Storage as at 1 February 2007
Storage	Full Operating Storage (ML)	Storage Level (m)	Available Storage (ML)	Available Storage (%)	Net Weekly Change (ML)
Cataract	94,300	- 11.84	24,390	25.9	-1,560
Cordeaux	93,640	- 11.13	32,210	34.4	-1,920
Avon	146,700	- 10.42	53,780	36.7	-740
Nepean	69,810	- 7.37	48,570	69.6	-260
Woronora	71,790	- 20.38	20,910	29.1	-240
Warragamba	2,027,000	- 24.27	666,510	32.9	-7,780
Prospect	8,870	- 1.02	3,800	42.8	70
Wingecarribee	24,100	- 2.14	15,210	63.1	-450
Fitzroy Falls	10,000	- 0.80	6,000	60.0	1,990
Tallowa*	35,300*	- 3.00	13,500*	38.2*	-2,520
Blue Mountains	2,790		2,010	72.0	0
Total	2,584,300		886,890	34.3	-13,410
*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.

Sydney Catchment Authority

Level 4, 2-6 Station Street Penrith NSW 2750 Australia

PO Box 323, Penrith NSW 2751 Australia