Welcome to Seawater Now
The Muray Darling Basin is in crisis with the lowest water flows in 117 years. Lake Alexandrina is now almost 1m below sea level and over 1.5m below the full supply level. If nothing is done, large areas of acid sulphate soils will become exposed and any subsequent refilling (whether from rain, river, or sea) will result in wide-spread ecological devastation, through acidification of the water body and leaching of toxic materials from lakebed soils.
River flows are too low to refill the Lower Lakes with freshwater, so seawater must be considered. Prior to the construction of the Barrages in 1940, seawater flowed naturally into the Lakes during times of low flows. These man-made barriers are now holding back seawater which under natural conditions would have covered the Lakes.
Learn more about the Lower Lakes crisis at Lakes Need Water.
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