Project Proponent Water Corporation Proposal description The proposal is for the construction and operation of an ocean outlet and associated infrastructure, for the Bunbury wastewater treatment plant. The outlet extends approximately 1.7 kilometres from the shoreline adjacent to the plant, for the disposal of treated wastewater Assessment Number 1302 Region South West Referred under EP Act s38 Industry sector Infrastructure Last updated April 22, 2014 Current Status Ministerial Statement published 2. Decision on whether to assess this proposal Chair's Determination Assess - Public Environmental Review Preliminary Environmental Factors Benthic Communities and Habitats Marine Environmental Quality Date published Friday, November 26, 1999 - 12:00 3. Assessment Scoping Approved Tuesday, May 30, 2000 - 12:00 Environmental Review Environmental Review documentation PER document (PDF, 22.92 MB) 4. EPA Report on assessment EPA Report Number 1021 EPA Report Ocean outlet for treated wastewater, Bunbury wastewater treatment plant (PDF, 148.25 KB) Key Environmental Factors Marine Environmental Quality Marine Fauna Date published Monday, July 9, 2001 - 12:00 Appeals close Monday, July 23, 2001 - 12:00 5. Decision on proposal and implementation of proposal Ministerial Statement Date of approval Friday, September 14, 2001 - 12:00 Ministerial Statement Ministerial Statement 572 (PDF, 591.84 KB) Post-assessment changes s. 45C amendments Attachment 1 to Statement 572 - Increase of the total allowable annual load of Total Nitrogen (TN) from 60 to 70 t/a – change to proposal approved by the EPA Chairman on a temporary basis, such that the increase in TN load limit would cover only the period of time required to complete the Wastewater Treatment Plan upgrade – change to proposal approved on 18 November 2008. Attachment 2 to Statement 572 - Removal of the Total Phosphorous (TP) limit of 10 mg/l and including it in Part V Licence and removal of the faecal coliform limit of <10,000 cfu/ 100ml as from a marine perspective this specific value is not relevant and monitoring of the bacterial levels in ocean outfall sample is addressed in Part V Licence – change to proposal approved on 22 April 2014. Date of approval s. 45C Tuesday, November 18, 2008 - 12:00 Tuesday, April 22, 2014 - 12:00
