ProjectProponent: Water CorporationProposal description: The Water Corporation proposes the construction and operation of the Balannup Pressure Main, a 4.5 km wastewater pressure main from the Collared Street Pump Station to the Waterworks Road Pump Station in Armadale. Assessment Number: 2081Region: PerthReferred under EP Act: s38Industry sector: InfrastructureLast updated: February 6, 2017Related EPA Media Statement: EPA to formally assess underground pipeline through Bush Forever bushlandEPA recommends approval for underground pipeline: Report 1592Current Status: Ministerial Statement published 1. ReferralComment on this referral: Balannup Wastewater Pressure MainComment period: Friday, 18 March, 2016 to Thursday, 24 March, 2016Referral documentation: Referral form (PDF, 2.06 MB) Supporting documentation (PDF, 1.69 MB) Supporting documentation - Appendix A (PDF, 8.8 MB) Supporting documentation - Appendix B (PDF, 11.87 MB) Appendix A (PDF, 6.31 MB) Appendices B and C (PDF, 11.68 MB) Appendices D-F (PDF, 5.89 MB) Appendices I - O (PDF, 4.34 MB) Hydrological assessment Appendix G Part 1 (PDF, 13.29 MB) Hydrological assessment Appendix G Part 2 (PDF, 10.31 MB) 2. Decision on whether to assess this proposalChair's Determination: Assess - Assessment on Proponent Information - Category AExtract of determination: 14335 CD May 23 2016.pdf (PDF, 144.97 KB)Preliminary Environmental Factors: Flora and VegetationHydrological ProcessesInland Waters Environmental QualityDate published: Monday, 23 May, 2016 4. EPA Report on assessmentEPA Report Number: 1592EPA Report: Balannup Wastewater Pressure Main (PDF, 1.64 MB)Proponent documents: Appendix 1 EPA scoping guideline.pdf (PDF, 391.11 KB) Appendix 2 ENV 2013 Flora.pdf (PDF, 12.59 MB) Appendix 3-1. Referral Supporting Documentation 2014 AECOM.pdf (PDF, 1.69 MB) Appendix 3-2.EcoPlough.pdf (PDF, 1.82 MB) Appendix 3-3.Route Options Considered.pdf (PDF, 5.68 MB) Appendix 3-4. Trenchless Construction Techniques Analysis.pdf (PDF, 1.38 MB) Appendix 4 - Groundwater Assessment (PDF, 2.06 MB) Appendix 5 - Pressure Main Report on the Geotechnical, Acid Sulfate Soils and Contaminated Sites Investigation - Part 1 (PDF, 12.15 MB) Appendix 5 - Pressure Main Report on the Geotechnical, Acid Sulfate Soils and Contaminated Sites Investigation - Part 2 (PDF, 11.65 MB) Appendix 6 - Draft Acid Sulfate Soil and Dewatering Management Plan (PDF, 6.72 MB) Appendix 7 GHD 2015 Hydrological Study (Part 1).pdf (PDF, 13.23 MB) Appendix 7 GHD 2015 Hydrological Study (Part 2).pdf (PDF, 13.77 MB) Appendix 7 GHD 2015 Hydrological Study (Part 3).pdf (PDF, 13.45 MB) Environmental Review (PDF, 11.71 MB)Key Environmental Factors: Flora and VegetationHydrological ProcessesInland Waters Environmental QualityDate published: Monday, 23 January, 2017Appeals close: Monday, 6 February, 2017 5. Decision on proposal and implementation of proposalMinisterial StatementDate of approval: Tuesday, 3 October, 2017Ministerial Statement: Ministerial Statement 1063.pdf (PDF, 683.97 KB)