Quote:
Originally Posted by Wavytone
Much of the infrastructure is in cement-lined cast-iron pipes. They would be destroyed very quickly if salt water was used. Secondly a lot of it is fairly leaky - to the extent salt water would quickly poison most of the land in Sydney.
In the long term it would also poison the acquifer that lies under most of the greater Sydney basin - and that is fresh water. Not exactly potable but it's good enough for watering market gardens.
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So now that you have identified the problem all we need is to replace all the pipes with environmentally friendly plastic.
Alex