Isaac Regional Council Belyando River Potential Contaminant Release Investigation Report
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Our Ref: 0631920 Date: 22/04/2020 Dan Wagner PO Box 97 Moranbah QLD 4744 Dear Dan McMurtrie Consulting Engineers (MCE) are pleased to provide the attached report, Belyando River Potential Contaminant Release Investigation Report dated 21 April 2020. We have completed our own internal reviews and concur with all findings presented in the attached report by our trusted partners, STEER Environmental Consulting (STEER EC). It is noted that MCE and STEER EC have had no previous involvement in construction works at the sites of the alleged release incidents. MCE and STEER EC are not aware of any affiliations with relevant entities involved in the alleged release incident, or conflict of interest that may impact our works. If you have any questions or concerns please contact the undersigned. Yours sincerely Lachlan McMurtrie Director Attachments: Belyando River Potential Contaminant Release Investigation Report dated 21 April 2020 Isaac Regional Council Belyando River Potential Contaminant Release Investigation Report Isaac Regional Council - Belyando River Potential Contaminant Release - Investigation Report Prepared For: Isaac Regional Council Project #: N/A Report Prepared by: STEER Environmental Consulting 21 April 2020 Document Status Report Type: Environmental Report Project: Belyando River Potential Contaminant Release Investigation Report Client: Isaac Regional Council Document Date Author Checked Approved Version Final 21.04.20 Scott Botting Phil Steer Phil Steer Signed Limitations This document has been prepared on behalf of and for the exclusive use of the client. This document has been prepared with all due care and attention according to accepted practices and techniques. This document is intended only for the client and may not be relied upon by any other person. In preparing this document, STEER Environmental Consulting has relied upon, and presumed accurate, certain information (or absence thereof) relative to data provided by government officials and authorities, the client and other sources as identified in the document. Except as otherwise stated, STEER Environmental Consulting has not attempted to verify the accuracy or completeness of any such information. STEER Environmental Consulting accepts no responsibility for any misuse or application of the material set out in this document for any purpose other than the purpose for which it is provided. STEER Environmental Consulting disclaims any and all liability for damages of whatsoever nature to any other party and accepts no responsibility for any damages of whatsoever nature, however caused arising from misapplication or misinterpretation by third parties of the contents of this document. 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Apart from any use as permitted under the Copyright Act 1968, no part may be reproduced in any form without written permission from the STEER Environmental Consulting. www.steerec.com.au Table of Contents Document Status..................................................................................................................................... 1 Table of Contents .................................................................................................................................... 3 1 Abbreviations .................................................................................................................................. 4 2 Table of Figures ............................................................................................................................... 4 3 Introduction .................................................................................................................................... 5 4 Document Purpose ......................................................................................................................... 5 5 Background ..................................................................................................................................... 5 5.1 Incident Site and Surrounding Area ........................................................................................ 5 5.2 Local Climate ........................................................................................................................... 6 6 Investigation .................................................................................................................................... 7 6.1 Review of Environmental Pollution Incident Allegation report .............................................. 7 6.2 Further sediment controls .................................................................................................... 10 6.3 Site evaluation ...................................................................................................................... 11 6.3.1 Evaluation of sediment control methods ..................................................................... 11 6.3.2 Evaluation of surrounding environment ....................................................................... 13 7 Discussion ...................................................................................................................................... 16 7.1 Sediment control measures .................................................................................................. 16 7.2 Potential for environmental harm from alleged incident ..................................................... 16 8 Recommendations ........................................................................................................................ 17 8.1 Environmental harm ............................................................................................................. 17 8.2 Remedial actions taken ......................................................................................................... 17 8.3 Intentional negligence .......................................................................................................... 18 8.4 Potential enforcement actions ............................................................................................. 18 9 Conclusion and Advised Enforcement Actions ............................................................................. 19 9.1 Conclusion ............................................................................................................................. 19 9.2 Advised actions ..................................................................................................................... 20 10 Appendices ................................................................................................................................ 21 Appendix A – Environmental Pollution Incident Allegation Report .................................................. 21 Appendix B – DES Correspondence RE – Matters devolved to Local Government, 15 July 2019 .... 30 www.steerec.com.au 1 Abbreviations BOM - Bureau of Meteorology DES - Department of Environment and Science EP Act - Environmental Protection Act 1994 EPIA - Environmental Pollution Incident Allegation IRC - Isaac Regional Council MCE - McMurtrie Consulting Engineers STEER EC - STEER Environmental Consulting 2 Table of Figures Figure 1. Alleged incident site in relation to the regional centres of Clermont and Hughenden (Image © Queensland Globe). ............................................................................................................................ 6 Figure 2. Climate data for the nearby regional centre of Clermont (Image farmonlineweather.com.au). .................................................................................................................. 7 Figure 3. Example of imagery from the EPIA showing disturbed areas, water levels in the river and bulk bags (Image source EPIA). ............................................................................................................... 8 Figure 4. Image of the same location as figure 3 taken on 19 June 2019. Note the geotextile sediment control fencing (Image source EPIA). ...................................................................................................... 9 Figure 5. Disturbed area without sediment control during complainant’s second site visit (Image source EPIA). ........................................................................................................................................... 9 Figure 6. Installation of jute sediment control matting at the alleged incident site. ........................... 10 Figure 7. Watering jute matting to encourage vegetative growth. ...................................................... 11 Figure 8. Jute matting still intact after the recent heavy rain event. ................................................... 12 Figure 9. Disturbed area stabilised by jute matting and pioneer species colonising jute matting. ...... 12 Figure 10. Geotextile fence and areas disturbed by cattle movements. .............................................