NSW is under attack along two borders amid accusations senior officials helped irrigators undermine the Murray Darling Basin Plan and failed to properly investigate alleged water theft.

Downstream states have called for a judicial inquiry into NSW’s dealings, while the local opposition referred the matter to the Independent Commission Against Corruption on Tuesday. The ABC aired a 2016 recording of top NSW water bureaucrat Gavin Hanlon offering to share de-badged government information with irrigation lobbyists. The program…