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RIN:- R00070789 REPORT/DOCUMENT:- REF DOCUMENTS FOUND:   26

Report/Document Number: REF    (Documents attached to this report are listed below).
Record Type: Environmental Reports
Report Identification Number: R00070789
Confidentiality: Open File    Accession Date:  14-MAY-15
Authors/Company Name: RPS Australia East Pty Ltd
Santos NSW Eastern Pty Limited
Report Title: Reviews of Environmental Factors- Leewood Produced Water Treatment & Beneficial Reuse Project - Phase 2
March & revised June 2015
Water Treatment Plan & Brine Disposal Management Plan
November 2015
Collation: PDFs
Report Year: 2015
Subject Terms/Keywords: Coal Seam Gas CSG,
Leewood Phase 2,
Leewood Produced Water Treatment,
Water Treatment Plan WTP,
Brine Disposal Management Plan BDMP,
Brine Management Ponds,
Petroleum Exploration,
Pilot Wells,
Water Flow Lines,
Bibblewindi Water Treatment Plant,
Transfer,
Reverse Osmosis Plant,
Brine Concentrator,
Centralised Water Treatment Facility,
Existing Environment,
Topography,
Geology,
Climate,
Environmental Impacts,
Environmental Management,
Soils,
Land Stability,
Surface Water,
Groundwater,
Air Quality,
Greenhouse Gases,
Noise,
Flora,
Fauna,
Threatened Species
Hazardous Substance Management,
Contaminated Land,
Waste,
Natural Resources,
Community,
Heritage,
Landuse,
Agricultural Impact Statement AIS
Environment - Review of Environmental Factors REF
Tenement Name/Number: PAL0002, PAL2
Map Sheet: NARRABRI #250=SH5512
NARRABRI #100=8837
8837-III-3
Location: The proposed activity is located approximately 24 kilometres south-west of Narrabri, NSW
Abstract: Santos NSW (Eastern) Pty Limited (Santos) on behalf of the titleholders of Petroleum Assessment Lease (PAL) 2 is proposing to construct and operate a Water and Brine Treatment Plant (WBTP) and associated infrastructure at a property known as "Leewood" located within PAL 2 (the proposed activity).

The proposed activity is permissible without development consent and requires assessment and determination under Part 5 of the Environmental Planning and Assessment Act 1979 (EP&A Act). The Office of Coal Seam Gas within NSW Trade and Investment is the determining authority for the proposed activity.

RPS Australia East Pty Ltd has prepared this Review of Environmental Factors (REF) to assess the potential environmental impacts of the proposed activity. The REF addresses the requirements of section 111 of the EP&A Act, clause 228 of the Environmental Planning and Assessment Regulation 2000 and ESG2: Environmental Impact Assessment Guidelines; For exploration, mining and petroleum production activities subject to Part 5 of the Environmental Planning and Assessment Act 1979 (DTIRIS, 2012). The REF concludes that the proposed activity is unlikely to have a significant impact on the community and environment, including threatened species, populations or ecological communities, and that an environmental impact statement is not required.

The primary objective of the proposed activity is to construct and operate a purpose built, centralised water treatment facility outside of the Pilliga State Forest, to treat, manage and beneficially reuse produced water and brine from coal seam gas (CSG) exploration and appraisal activities.

Produced water and brine management ponds have been constructed at Leewood (approved 19 March 2013). These ponds store produced water and brine from previous and future exploration and appraisal activities within Petroleum Exploration Licence (PEL) 238, PAL 2 and Petroleum Production Lease 3 (PPL3).

The scope of the proposed activity includes:
- a water treatment plant, including pre-treatment and reverse osmosis plant
- a brine treatment plant
- a brine distribution manifold and associated piping, to allow water distribution into the water treatment plant and associated return flows to brine storage ponds
- a treated water storage tank (five megalitre capacity)
- irrigation of treated water at the Leewood property through a managed irrigation system (including a centre pivot and sub-surface irrigation system)
- the construction of (and the ability to operate) a treated water pipeline extending to the Leewood property boundary to transfer water to another location for irrigation by a third party (if required)
- a small potable water treatment system for water extracted from the licensed bore
- other associated infrastructure, including a gas pipeline to fuel the generators
- amelioration of soils within the Leewood irrigation area by deep tillage, fertiliser, lime and gypsum in preparation for irrigation.

Select Document Description Code Pages Size Colour Format File Size Preview
EDO Letter - Response to REF Leewood Phase 2 - 26 May 2015 TXT - - - PDF 124 k View
DPI Letter - Further response to REF Leewood Phase 2 - 19 June 2015 TXT - - - PDF 150 k View
EPA Letter - Further response to REF Leewood Phase 2 - 19 June 2015 TXT - - - PDF 1.8 M View
The Wilderness Society Letter - Further response to REF - 23 June 2015 TXT - - - PDF 270 k View
The Wilderness Society Letter - Further response to REF - 17 July 2015 TXT - - - PDF 229 k View
REF Leewood Phase 2 - additional information provided by Santos 28 July 2015 TXT - - - PDF 16.1 M View
EPA Letter: Response to Additional Information- 3 August 2015 TXT - - - PDF 378 k View
DRE Assessment Report - 18 August 2015 TXT - - - PDF 898 k View
Approval Letter: Undertake Leewood PWT and Beneficial Use Project- August 2015 TXT - - - PDF 1.3 M View
REF - Leewood Produced Water Treatment & Beneficial Reuse Project- June 2015 TXT - - - PDF 3 M View
REF - Leewood Produced Water Treatment - Appendices 1 to 11- June 2015 TXT - - - PDF 19.9 M View
Agricultural Impact Statement - Leewood Produced Water Treatment- June 2015 TXT - - - PDF 16.3 M View
Roads & Maritime Services Letter: Response to REF Leewood Phase 2- 15 April 2015 TXT - - - PDF 559 k View
People for the Plains Letter: Response to REF Leewood Phase 2- 20 April 2015 TXT - - - PDF 601 k View
The Wilderness Society Letter: Response to REF Leewood Phase 2- 20 April 2015 TXT - - - PDF 541 k View
NSW Office of Water Letter: Response to REF Leewood Phase 2- 21 April 2015 TXT - - - PDF 115 k View
Office of Environment & Heritage Letter:Response to REF Leewood Phase 2- Apr '15 TXT - - - PDF 1.5 M View
Namoi Water Letter: REF Leewood Phase 2- 22 April 2015 TXT - - - PDF 42 k View
EPA Letter: Response to REF Leewood Phase- 22 April 2015 TXT - - - PDF 857 k View
DPI Letter: Comments on AIS - Leewood Phase 2- 29 April 2015 TXT - - - PDF 713 k View
Letter: Leewood Phase 2 - Additional Information Required- 12 May 2015 TXT - - - PDF 203 k View
Letter: Additional Info and Response to Comments & Recommendations- 5 June 2015 TXT - - - PDF 8.6 M View
Letter: Additional Info and Response to Comments & Recommendations- 12 June 2015 TXT - - - PDF 1.6 M View
Water Treatment Plan - Leewood Phase 2- Nov 2015 TXT - - - PDF 1.5 M View
Brine Disposal Management Plan - Leewood Phase 2- Nov 2015 TXT - - - PDF 4.6 M View
Approval Letter: WTP and BDMP - Leewood Phase 2- Nov 2015 TXT - - - PDF 54 k View
 
  Total:       81.9 M  

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