Balannup Wastewater Pressure Main 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: May 20, 2025Related EPA Media Statement: EPA to formally assess underground pipeline through Bush Forever bushlandEPA recommends approval for underground pipeline: Report 1592Current Status: Ministerial Statement withdrawn under s.47A 1. ReferralComment on this referral: Balannup Wastewater Pressure MainComment period: Friday, 18 March, 2016 to Thursday, 24 March, 2016Referral documentation: Referral form Supporting documentation Supporting documentation - Appendix A Supporting documentation - Appendix B Appendix A Appendices B and C Appendices D-F Appendices I - O Hydrological assessment Appendix G Part 1 Hydrological assessment Appendix G Part 2 2. Decision on whether to assess this proposalChair's Determination: Assess - Assessment on Proponent Information - Category AExtract of determination: 14335 CD May 23 2016.pdfPreliminary 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 MainProponent documents: Appendix 1 EPA scoping guideline.pdf Appendix 2 ENV 2013 Flora.pdf Appendix 3-1. Referral Supporting Documentation 2014 AECOM.pdf Appendix 3-2.EcoPlough.pdf Appendix 3-3.Route Options Considered.pdf Appendix 3-4. Trenchless Construction Techniques Analysis.pdf Appendix 4 - Groundwater Assessment Appendix 5 - Pressure Main Report on the Geotechnical, Acid Sulfate Soils and Contaminated Sites Investigation - Part 1 Appendix 5 - Pressure Main Report on the Geotechnical, Acid Sulfate Soils and Contaminated Sites Investigation - Part 2 Appendix 6 - Draft Acid Sulfate Soil and Dewatering Management Plan Appendix 7 GHD 2015 Hydrological Study (Part 1).pdf Appendix 7 GHD 2015 Hydrological Study (Part 2).pdf Appendix 7 GHD 2015 Hydrological Study (Part 3).pdf Environmental ReviewKey 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 proposalWithdrawal of Ministerial StatementNotice of withdrawal of Ministerial Statement: s. 47A - Withdrawal of Statement - 200525.pdfDate withdrawn: Tuesday, 20 May, 2025 Ministerial StatementDate of approval: Tuesday, 3 October, 2017Ministerial Statement: Ministerial Statement 1063.pdf
