
By Ron Pike
Watching the Burdekin Falls Dam with around six metres of water going over the spillway following flood rains in the catchment, we must remember that this is not a rare occurrence.
As far back as 1875 there are records of the Burdekin River rising over 18 metres in just a few hours and repeated reports of 1 to 6 metres of water above the bridge deck at Inkerman. Records of high river flows lasting weeks and months are not uncommon. Following a cyclone in December 1974 the river remained at flood height until April 1975.
These flood flows can exceed 5 mega-litres per second (almost half a million ML every day). This is sufficient to fill our oldest irrigation storage, Burrinjuck Dam, from empty, every two days.
The roar of this cascading water is the roar of waste – wasted water that will be needed in years of little or no flow.
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