Companies linked to Urannah Dam project donate more than $150,000 to Liberal National party

Detailed business case for Queensland project includes analysis that shows a negative return on investment

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Companies linked to the proponent of the massive Urannah Dam project in north Queensland have given more than $150,000 to the Liberal National party, including a donation made a week after the Morrison government promised to spend $483m on its construction.

A member of the disbanded National Water Grid advisory body, Stuart Khan, last month wrote to colleagues saying that taxpayer funding to the Urannah project had been allocated for brazenly political purposes" and before a detailed business case had been scrutinised.