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Surat Underground Water Impact Report

The Underground Water Impact Report (UWIR) for the Surat Cumulative Management Area (CMA) provides an assessment of the impacts of water extraction by petroleum tenure holders on underground water resources in the Surat CMA, and specifies integrated management arrangements.

The report includes:

  • updated maps of predicted water pressure impacts in aquifers
  • an updated water monitoring strategy
  • an updated  management strategy for springs that could be affected by falls in water levels.

The maps of predicted water pressure impacts support the continuation of water supplies for bore owners affected by CSG water extraction. If a bore supply is impaired by CSG water extraction at any time, the CSG operator has a responsibility to find a solution to the problem with the bore owner. However, the framework also provides that  in areas where the UWIR predicts that water levels will fall by more than a trigger threshold within three years ('Immediately Affected Areas'), CSG operators are required to enter into agreements as soon as possible with bore owners about arrangements to maintain water supplies. This enables make good  arrangements to be in place before any impairment occurs.

OGIA has carried out research activities in collaboration with other research bodies and CSG operators to improve understanding of the groundwater flow system. The regional groundwater flow model is being revised to incorporate the new knowledge.

The first UWIR for the Surat CMA was prepared in 2012. That report is now superseded by the 2016 Surat UWIR.

The 2016 Surat UWIR was finalised after public consultation on a draft version. OGIA considered all submissions in finalising the report. The submissions summary provides an overview of the submissions received during the consultation period and explains how OGIA has dealt with the submissions in amending the draft report.

The Chief Executive of EHP approved the 2016 Surat UWIR with conditions and a take-effect date of 19 September 2016. The 2012 Surat UWIR ceased to apply from this date. The decision notice sets out the approval conditions.

If you are the owner of a bore in the Surat CMA, you can obtain specific information about the predicted impacts at the location of your bore. Search for predicted impacts at your water bore.

The Surat CMA is identified in the map below.

Coal Seam Gas area map

3D video of Surat and Bowen Basin geology

A video of the geology in the Surat Cumulative Management Area (below) shows the basins and geological formations that exist in the area. The video illustrates the complexity of the geological layers, effects of these layers, and movement of groundwater.


Last updated: 22 June 2017

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