Review of the River Murray Water Quality Monitoring Program June
Total Page:16
File Type:pdf, Size:1020Kb
Review of the River Murray Water Quality Monitoring Program June 2005 RNMENTS WO VE RKI GO NG IX IN S P A Y R T T I N N E U R M SHI M P WITH THE CO Murray-Darling Basin Commission We will manage and conduct our business in a highly professional and ethical manner, and according to the values jointly agreed with the Community Advisory Committee. These values require particular behaviours that will cement our relationships with our stakeholders and the wider community, and will underlie all decisions, actions and relationships we enter into. We will promote the values so that all people and organisations which have dealings with the Commission know what to expect from us and what we expect from them. Our values Respect and honesty • We agree to work together, and • We will respect different views, ensure that our behaviour reflects respect each other and acknowledge the following values. the reality of each other’s situation. • We will act with integrity, openness Courage and honesty, be fair and credible, • We will take a visionary approach, and share knowledge and provide leadership and be prepared information. to make difficult decisions. • We will use resources equitably and respect the environment. Inclusiveness • We will build relationships based Flexibility on trust and sharing, considering • We will accept reform where it is the needs of future generations, needed, be willing to change, and and working together in a true continuously improve our actions partnership. through a learning approach. • We will engage all partners, including Indigenous communities, and ensure Practicability that partners have the capacity to be • We will choose practicable, long term fully engaged. outcomes and select viable solutions to achieve these outcomes. Commitment • We will act with passion and Mutual obligation decisiveness, taking the long-term • We will share responsibility and view and aiming for stability in accountability, and act responsibly, decision making. with fairness and justice. • We will take a Basin perspective • We will support each other through and a non-partisan approach to necessary change. Basin management. Review of the River Murray Water Quality Monitoring Program Brian Lawrence and Lucy Paterson RNMENTS WO VE RKI Murray-Darling Basin GO NG IX IN S P A Y Commission R T T I N N E U R M SHI M June 2005 P WITH THE CO Published by Murray-Darling Basin Commission Postal Address: GPO Box 409, Canberra ACT 2601 Office location: Level 5, 15 Moore Street, Canberra City Australian Capital Territory Telephone: (02) 6279 0100 international + 61 2 6279 0100 Facsimile: (02) 6248 8053 international + 61 2 6248 8053 E-Mail: [email protected] Internet: www.mdbc.gov.au For further information contact the Murray-Darling Basin Commission office on (02) 6279 0100 This report may be cited as: Review of the River Murray Water Quality Monitoring Program MDBC Publication No. 15/05 ISBN 1921038470 © Copyright Murray-Darling Basin Commission 2005 This work is copyright. Graphical and textual information in the work (with the exception of photographs and the MDBC logo) may be stored, retrieved and reproduced in whole or in part, provided the information is not sold or used for commercial benefit and its source (Review of the River Murray Water Quality Monitoring Program) is acknowledged. Such reproduction includes fair dealing for the purpose of private study, research, criticism or review as permitted under the Copyright Act 1968. Reproduction for other purposes is prohibited without prior permission of the Murray-Darling Basin Commission or the individual photographers and artists with whom copyright applies. To the extent permitted by law, the copyright holders (including its employees and consultants) exclude all liability to any person for any consequences, including but not limited to all losses, damages, costs, expenses and any other compensation, arising directly or indirectly from using this report (in part or in whole) and any information or material contained in it. Cover Photo: River Murray – Renmark, South Australia © Peter Solness Design and typesetting: Ideas and Directions I&D10224 Printing: Union Offset Canberra ACT This publication is printed on Monza Satin, a 50% recycled and coated paper. 2 Acknowledgements The Commission acknowledges and appreciates the assistance provided to this project by the government members of its Water Quality Monitoring Working Group: Stuart Minchin – Victoria Bruce Cooper – New South Wales Derek Rutherford – New South Wales Dennis Steffensen – South Australia Charles Lewis – Australian Government The authors acknowledge past and present MDBC staff - Norman Mackay, Martin Shafron, Jody Swirepik, Sue Grau and Scott Keyworth - for their sustained support for long-term monitoring. This report was considerably improved by the comments of independent reviewer Dr Terry Hillman. 3 Table of Contents Acknowledgements 3 Executive Summary 7 Introduction 11 1.1 Objectives 11 1.2 Methodology 11 1.3 Geographic Scope 11 Water Quality Monitoring Program 13 2.1 Background 13 2.1.1 The Murray-Darling Basin Agreement 13 2.1.2 Policy Responses to the Agreement 14 2.2 Description of the program 15 2.3 Reviews 15 2.3.1 Early Reviews of the WQMP 15 2.3.2 Recent Reviews of the WQMP 15 2.4 Other River Murray System Monitoring Data and its usages 16 2.4.1 Water Quality Data 16 2.4.2 Water Quantity Data 17 2.4.3 River Condition Data 17 Water Quality Objectives 19 3.1 Terminology 19 3.2 Background and Diffi culties in Formulation 19 3.3 Provisional WQO’s and their Status 20 3.4 Provisional WQO’s and the WQMP 20 Recommendations 21 4.1 The WQMP 21 4.1.1 New Objectives 21 4.1.2 Physico-Chemical Monitoring 21 4.1.3 Macroinvertebrates 24 4.1.4 Phytoplankton 25 4.1.5 Bacteria Monitoring 26 4.1.6 Data Publishing 26 4.1.7 QA/QC 26 4.2 Management Response 26 Concluding Remarks 27 Appendix A Part V of the Murray-Darling Basin Agreement 1992 29 Appendix B State by State Break up of Water Quality Monitoring Program Sites 31 Appendix C Current MDBC Water Quality Monitoring Programs 33 Appendix D Provisional Water Quality Objectives 35 Appendix E Proposed Water Quality Monitoring Program (Sites, classes / parameters and frequencies). 37 Appendix F Format Specifi cations for Water Quality Monitoring Data 39 5 Exec utive Summary The River Murray Water Quality Monitoring • The periodic reporting and assessment of Program (WQMP) is a monitoring network of 35 water quality to determine trends; sites located on the Murray and its tributaries • The indication of changes in water quality which has been routinely monitoring physico- brought about by control measures; chemical and biological parameters since 1978. In • The requirement for additional investigation addition to the data being periodically analysed, on control measures; and the data is also reviewed to allow for updating • The characterisation of the effect of long term and improving the program in order to fulfi l the changes in land use and land management on statutory responsibility of maintaining an effective water quality. system for monitoring. The initial network of 32 stations monitoring The two objectives of this review project are to physico-chemical parameters has undergone ensure the Commission’s WQMP: periodic improvement over the years which has • Collects relevant and useful data in resulted in the current program of 35 sites extending an integrated and consistent fashion along the River Murray, in the tributaries at or near to adequately meet natural resource the confl uence with the Murray and in the stored management functions, statutory obligations waters. Up to 20 physico-chemical parameters and business needs; and are measured at the one site with frequencies of • Provides accurate and reliable information either weekly or monthly, depending on the class of in a timely manner for internal and external station. Of the 35 sites 12 are monitored for algae, stakeholders through effi cient data and 7 are monitored for macroinvertebrates and 1 site record management systems monitored for heavy metals. Background New South Wales (7 sites), Victoria (18 sites) and South Australia (10 sites) conduct the monitoring, The Commission’s statutory responsibilities with samples analysed at their respective in regard to water quality evolved from an laboratories and fi nal results available to the expression of concern by the South Australian Commission approximately one month later. Premier in 1973 of the quality and quantity of water available in the River Murray. This resulted in Review process the establishment of the River Murray Working Party A number of reviews of the WQMP data have been which recommended amending the River Murray undertaken over the years, which outline methods Waters Agreement to broaden the function of the and results, characterise the River Murray in terms Commission and design an interim water quality of the attributes being monitored, present trend monitoring program which commenced in 1978. analyses and make recommendations for future The amendments to the Agreement were fi nalised monitoring. These reports were drawn upon during in 1982 and included the powers to monitor and the course of this review, providing the basis for a investigate, coordinate information, set objectives number of recommendations made in this report. and to make representations regarding water An internal needs analysis was conducted to quality. determine requirements of the data users within Description of the WQMP the Commission, the results of which highlighted the need for a higher degree of awareness of the The WQMP was designed according to the WQMP. following stated functions: An inter-jurisdictional Working group was • The provision of data which will enable convened with members from NSW, VIC, SA, the development and improvement of MDBC and the Commonwealth, providing a forum management plans for meeting water quality where proposed changes to the WQMP were objectives in the River Murray; considered.