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Department of Planning, Industry and Environment | Water
DARLING ALLUVIUM WATER RESOURCE PLAN | PUBLIC EXHIBITION | BOURKE | 6 AUGUST 2019
Groundwater source update Department of Planning, Industry and - - PowerPoint PPT Presentation
Groundwater source update Department of Planning, Industry and - - PowerPoint PPT Presentation
DARLING ALLUVIUM WATER RESOURCE PLAN | PUBLIC EXHIBITION | BOURKE | 6 AUGUST 2019 Groundwater source update Department of Planning, Industry and Environment | Water Overview Geological context Existing Access Licences & Extraction Limit
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Geological context
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Existing Access Licences & Extraction Limit
Access Licence Category Number of Licences Share Component Aquifer 1 5 Salinity and Water Table Management 1 3,300 Local Water Utility 1 220 Extraction Limit 19,122 ML/ year
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Registered bores
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Usage
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Monitoring bores
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Water levels near Bourke
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Water levels between Louth and Tilpa
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Water levels near Wilcannia
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Conclusions
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- A relatively small source of fresh groundwater exists as a
thin and narrow lens recharged by large flow events
- There are few groundwater access licences
- Groundwater extractions have not exceeded the Long Term
Average Annual Extraction Limit
- Water levels are generally steady, although declines of about