Water Storage Levels

Water supply in the lower Hunter is vulnerable to drought - our dams fill quickly but they empty quickly as well.

Our water levels drop faster than most other major Australian urban centres during drought because we have shallow water storages and high evaporation rates.

The graph below shows the total volume of water stored in the dams supplying water to the Lower Hunter region. This supply is drawn from a combination of surface storages and groundwater resources.

Overview

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Chichester

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Grahamstown

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Tomago

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Anna Bay

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Water storage levels - last updated 23 September 2016

Water Source Maximum Capacity (ML) Current Volume (ML) % Full
Chichester 18,356 17,967 97.9%
Grahamstown 182,305 174,561 95.8%
Tomago 60,000 55,577 92.6%
Anna Bay 16,024 12,241 76.4%
Total Storage 276,685 260,346 94.1%
Total storage updated following Chichester volume survey in September 2013