Territory Stories

Summary of past drilling activity within the Great Artesian Basin, Great Artesian Basin Coordinating Committee

Details:

Title

Summary of past drilling activity within the Great Artesian Basin, Great Artesian Basin Coordinating Committee

Creator

Great Artesian Basin Coordinating Committee

Collection

E-Publications; E-Books; PublicationNT; D0851

Date

2017-11

Location

Great Artesian Basin

Description

The Great Artesian Basin Coordinating Committee (GABCC) requested bore hole data from the state and territory government databases to be collated to estimate the number of bore holes that have been drilled into the Great Artesian Basin (GAB). This is to inform discussions on the legacy of the 140 years of past drilling activity with respect to the long term management of the groundwater resources of the GAB.

Notes

Made available via the Publications (Legal Deposit) Act 2004 (NT).

Table of contents

Executive summary -- Introduction -- Scope -- Limitations of the data -- Summary of all available data -- Total number of reported bore holes drilled -- Date of construction -- Water bore data -- Drilling in areas of artesian conditions -- Water supply bore depths -- Estimated replacement value of water supply bores -- Number of bores with uncontrolled artesian flow -- Discussion -- Appendix A-E

Language

English

Subject

Great Artesian Basin; Drilling Activity

Publisher name

Great Artesian Basin Coordinating Committee

Place of publication

Australia

Series

D0851

Format

27 pages : colour illustrations, colour maps, tables ; 30 cm.

File type

application/pdf.

Use

Copyright

Copyright owner

Great Artesian Basin Coordinating Committee.

License

https://www.legislation.gov.au/Details/C2019C00042

Related links

http://www.gabcc.gov.au/

Parent handle

https://hdl.handle.net/10070/299513

Citation address

https://hdl.handle.net/10070/383677

Page content

12 Table 6: Number of boreholes that have an uncontrolled artesian flow in 2015. Drilled date NSW NT Qld SA (as at Dec 2015) Total Pre 1900 24 46 70 1900 - 1909 45 26 71 1910 - 1919 9 50 4 63 1920 - 1929 38 34 4 76 1930 - 1939 42 30 72 1940 - 1949 25 21 3 49 1950 -1959 34 26 2 62 1960 - 1969 13 22 2 37 1970 - 1979 12 1 13 1980 - 1989 14 2 16 1991 - 1999 0 2000 - 2009 0 2010 - 2015 0 No date recorded 1 5 6 TOTAL 231 0 281 23 535 5 Discussion The compilation of this data was initiated to inform discussions on the legacy of past drilling activity with respect to the long term management of the groundwater resources of the GAB. It has provided an overview of the age profile of boreholes and the basic data on which to estimate the replacement costs of the water supply bore infrastructure in the GAB. There is potential to further inform this discussion with more tailored data extractions. The scope of this report included all water supply bores within the GAB, including shallow bores completed in the unconfined sections of the GAB. These shallow bores are typically located along the margin of the GAB and generally do not require specialist drilling equipment to manage high pressure or flows.


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