ONE of South Australia's lower lakes remains highly saline despite fresh water flows down the Murray River in the past 18 months.
That's according to the state opposition.
At the height of the drought in 2008 the SA government built an embankment between lakes Albert and Alexandrina, near the Murray mouth, in a bid to minimise the damage of falling water levels.
A year ago work was undertaken to remove the embankment, but opposition water spokesman Mitch Williams said much of the material remained, choking water flows between the lakes.
"These water flows are essential in diluting the salt loads in Lake Albert," Mr Williams said.
He said the federal government provided the necessary funds to remove the embankment but the state government wanted more.
Mr Williams said completely removing the embankment should be a "simple action".