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Groundwater levels

East 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.


Rainfall in our East region was well above average in October, at 202% of the LTA. As a result groundwater levels have continued to increase, more steeply than they did in August and September. Groundwater levels are now above drought zone 1, at approximately the same level as the LTA for the time of year. Continued recovery is expected under all rainfall scenarios above 60% of LTA. Levels are expected to remain above drought zone 1 for at least the next seven months if we receive more than 80 % of the LTA rainfall.

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