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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 around average in Autumn, at 103% of the LTA. Groundwater levels have increased slightly through the month, converse to the LTA trend, although they remain in drought zone 1. Predictions indicate that levels could start to decline again under a 60% LTA rainfall scenario. Higher rainfall scenarios are likely to result in continued groundwater level recovery from this point. Above average rainfall will likely result in levels reaching the LTA this year.

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