Public submissions on the contentious plan, which recommends returning 2750 gigalitres of water to the river system annually, close on Monday.
On Friday, NSW joined Victoria and South Australia in opposing the plan, saying it failed to take into consideration the triple bottom line of economic, social and environmental needs.
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Federal Water Minister Tony Burke said tens of thousands had turned up for public meetings throughout a 20-week consultation process.
Their input, along with a large number of written submissions, will help the government with its final blue print.
A small amount of proposals are likely to be put aside.
"You first of all have to sift through those submissions that would want to say `we don't want a reform at all' and you put that argument effectively to one side," Mr Burke told ABC radio on Monday.
"Similarly you put the argument to one side that says lets get just rid of all productive use of water."
