ENVIRONMENT PROTECTION AUTHORITY River Murray and Lower Lakes catchment risk assessment for water quality Results and management options APRIL 2007 River Murray and Lower Lakes catchment risk assessment for water quality Results and management options The River Murray and Lower Lakes catchment risk assessment project for water quality Results and management options Authors: Luke Mosley, Bethany Hammond, Veronica Phillips and John Riggs (EPA) and Karla Billington and Belinda Hemer (SA Water) For further information please contact: Environment Protection Authority Watershed Protection Office Suite 2, 85 Mount Barker Road Stirling SA 5152 Telephone: (08) 8139 9000 Facsimile: (08) 8139 9901 Email: <
[email protected]> Website: <www.epa.sa.gov.au> ISBN: 978–1–9211–25–37–9 April 2007 © Environment Protection Authority This document may be reproduced in whole or part for the purpose of study or training, subject to the inclusion of an acknowledgment of the source and to its not being used for commercial purposes or sale. Reproduction for purposes other than those given above requires the prior written permission of the Environment Protection Authority. Printed on recycled paper Contents Acknowledgements 7 Definitions 9 Abbreviations 10 Executive Summary 13 1 Introduction 15 1.1 Study purpose 15 1.2 Content of this report 16 1.3 Brief description of method 16 2 Renmark to border LAP area assessment 20 2.1 Description of the area 21 2.2 Environmental value zones 22 2.3 Hazard identification process 22 2.4 Risk to water quality in the Renmark