A Lower Darling River farmer is urging the Australian public to "get angry" and fight for the survival of the Murray Darling Basin.

Robert McBride, of Tolarno, Peppora and Wyoming Stations, south of Menindee in New South Wales, warned of stock losses of 100,000 animals in the next month if the river continued to run dry.

He made a YouTube video last week, inviting people to visit his station to see the devastation first-hand.

A band of farmers along the river between Menindee and Pooncarie are lobbying all levels of government for a return of water to the river.

Mr McBride told ABC Local Radio that environmentalists seemed to have forgotten the dire situation.

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"RSPCA should be looking at this as a disaster that is happening," he said.

Mr McBride said the drying up of the river was a disaster.

He said it was the result of a "failed Murray Darling Basin Plan, excessive, unsustainable, over-withdrawal of water upstream, and management of remaining water supplies by NSW Water".

The river situation has progressively worsened, starting with reduced flows from the Menindee Lakes to no flows, then the construction of block banks in some sections of the Darling River to hold back pools for stock, domestic use and irrigation.

"It's critically important for our country to get this right," Mr McBride said.

He said the river system was facing the worst man-made disaster in its history and needed water immediately.

Mr McBride's daughter Kate, 17, a sixth-generation farmer who is studying agricultural science at Adelaide University, also features in the video.

"I'm studying agriculture because I'm passionate about the industry, but considering water is one of the most important parts of it, I can't see a future," she said.

Next generation will not get to enjoy 'mighty river'

Mr McBride said the dire situation needed to be fixed for future generations.

"This is a disaster and it's about not only us now, but the next couple of generations of Australians," he said.

"If we get this wrong, then when our grandkids see where our mighty river was, it will be dead trees.

"We need to look after the future of young Australians coming through the ranks."

Mr McBride said he took to YouTube in an attempt to get his message to the general public because "a picture is worth a thousand words".

Sixth-generation farmer Kate McBride pleads for more water in the Lower Darling River for the future of farming in her region. ( Supplied: Rob McBride/YouTube )

He said he wanted people to see the disaster first-hand and to show the disaster actually facing the country at the moment.

"Look at the video and be angry. It's your future and your water supply," Mr McBride said.

"Unfortunately it's being ignored by our politicians, and the Australian populous should be very angry at what is happening at the moment.

"The Darling is now dry and this has ramifications because the water that should go into the Murray River does not."

Mr McBride said Lower Darling River farmers were expecting a visit from the Department of Primary Industries on April 6.

"This is the heartland of Australia and it's dying," he said.

"We can all live with drought, that's one of the risks of living where we live, but this is a man-made disaster and it's chronic."