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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.


In East region, rainfall in February was well above average, at 200% of LTA. As a result groundwater levels have continued to recover and remain above average for the time of year. Under most rainfall scenarios, levels are expected to remain above the LTA throughout the seasonal summer recession period. Only under a consistently very low rainfall scenario would levels be expected to decline below the LTA before autumn this year.

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