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East Region


East 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 above average in April at 161% of the Long Term Average (LTA). Over the last three months (February to April inclusive), our East region has received above average rainfall (188% of the LTA) and effective precipitation (259% of the LTA). As a result, soils remain wetter than average, meaning any forthcoming rainfall will provide a greater contribution to groundwater recharge.

Groundwater levels continued to decline in April but remain above the LTA curve as a result of above average rainfall over the last three months. Groundwater levels are likely to remain above average over the next six months if rainfall is more than 60% of the LTA. Groundwater levels are currently higher than during the wet winters of 2013/14 and 2020/21 at this point in time.

Please refer to our Drought Plan for what this means for us and our customers.

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