The South Australian government will hike waste dumping charges in this week's state budget to raise an extra $64 million over the next four years.

It says the solid waste levy will rise in stages from $62 a tonne at present to $103 a tonne by 2019/20, costing households up to $7 a year if the high charges are passed on by councils. Extra costs to businesses will peak at $44 in 2019/20. Treasurer Tom…