The links below are to documents produced by the Bligh government looking at water supply.The Mary Basin Water Resource plan contains 150,000MGL of unallocated water which is only to be supplied to SEQ.
Draft Report Rural Water Demand
Draft Report Urban & Industrial Water Demand
McNamara Water Plan doc 290109 final for release
The link below is to an excel table for calculating supply needed
insert the daily demand for litres per person perday in cell b 2 , then click on cell d 2 for supply required.