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Groundwater levels

SouthEast Region


Central region water levels hydrograph

*The long term average (LTA) has been calculated statistically, using the long term data record for this hydrograph. The respective drought zones are used as operational triggers, and have been derived using the LTA.

*Drought zone 1 is the LTA in Southeast region.


Rainfall in February was well above average in our Southeast region, at 257% of the LTA. This has resulted in an increase in groundwater levels, and they remain above average for the time of year. Levels are unlikely to dip into drought zone 1 during the seasonal recession, even under a sustained very low rainfall scenario (60% of LTA).

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