Victorian Water Quality Monitoring Annual Report: 2002
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Victorian Water Quality Monitoring Annual Report: 2002 Report prepared for Department of Sustainability and Environment By WATER ECOscience Pty Ltd WATER ECOscience Pty Ltd ACN 067 477 989 68 Ricketts Road Mt Waverley Victoria Australia 3149 Private Bag 1 Mt Waverley Victoria Australia 3149 telephone +61 3 9550 1000 facsimile +61 3 9543 7372 Report Number: Project Number: 3041 AUGUST 2003 “Victorian Water Quality Monitoring Annual Report: 2002” ISSN No: 1445-1646 VICTORIAN WATER QUALITY MONITORING ANNUAL REPORT: 2002 Table of Contents 1 INTRODUCTION........................................................................................................................... 1 1.1 WATER QUALITY LEGISLATION AND GUIDELINES ............................................................................... 2 1.1.1 State Environment Protection Policies (SEPPs) 2 1.1.2 Water Quality Guidelines 5 1.1.3 Commonly Assessed Water Quality Parameters 5 1.2 CURRENT WATER QUALITY NETWORKS AND THEIR RESPECTIVE STATUS ........................................... 6 1.2.1 Victorian Water Quality Monitoring Network 6 Rivers and Streams Program 8 1.2.2 Environment Protection Authority Fixed Site Network 8 Environment Protection Authority Program 8 Melbourne Water Program 9 1.2.3 Major Storages Operational Monitoring Program 9 1.2.4 Murray-Darling Basin Commission Water Quality Monitoring Program 10 2 METHODS .................................................................................................................................. 11 2.1 WATER QUALITY CHARACTERISATION............................................................................................. 11 2.1.1 Percent attainment per station 11 2.1.2 Percent attainment per region 11 2.2 MAPPING ATTAINMENT WITHIN REGIONS......................................................................................... 12 2.3 STATION SPECIFIC WATER QUALITY ............................................................................................... 13 3 DATA REQUESTS ..................................................................................................................... 14 3.1 STATE WATER RESOURCES DATA WAREHOUSE (WWW.VICWATERDATA.NET) ................................... 16 4 QUALITY ASSURANCE AND QUALITY CONTROL................................................................ 18 4.1 THIESS ENVIRONMENTAL SERVICES QUALITY SYSTEM .................................................................... 18 4.2 WATER ECOSCIENCE’S QUALITY MANAGEMENT SYSTEM.............................................................. 18 4.2.1 Field Sample Collection 19 4.2.2 Biological Analysis 19 4.2.3 Chemical Analysis 19 4.2.4 Data Entry and Retrieval 20 4.2.5 Data Upload to the Data Warehouse 21 5 RESULTS AND DISCUSSION ................................................................................................... 22 5.1 STATEWIDE OVERVIEW OF WATER QUALITY – 2002........................................................................ 22 5.1.1 Physical Parameters 22 Dissolved Oxygen 22 Electrical Conductivity 23 pH 23 5.1.2 Turbidity/Suspended Solids 25 Turbidity 25 Suspended Solids 25 5.1.3 Nutrients 27 Total Nitrogen & Oxidised Nitrogen (NOx)27 Total Phosphorus & Filtered Reactive Phosphorus (FRP) 27 5.1.4 Metals 30 Arsenic 30 Cadmium 30 Chromium 30 i VICTORIAN WATER QUALITY MONITORING ANNUAL REPORT: 2002 Copper 30 Nickel 31 Lead 31 Zinc 31 5.2 CMA REGIONAL WATER QUALITY .................................................................................................. 33 5.2.1 Corangamite CMA Region 33 Water Quality Characterisation 33 Station Specific Water Quality: Boundary Creek at Yeodene 40 5.2.2 East Gippsland CMA Region 45 Water Quality Characterisation 45 Station Specific Water Quality: Tambo River u/s of Smith Creek 51 5.2.3 Glenelg-Hopkins CMA Region 55 Water Quality Characterisation 55 Station Specific Water Quality: Mount Emu Creek at Taroon (Ayrford Road) 62 5.2.4 Goulburn-Broken CMA Region 67 Water Quality Characterisation 67 Station Specific Water Quality: Broken Creek at Katamatite 74 5.2.5 Mallee CMA Region 79 Water Quality Characterisation 79 Station Specific Water Quality: Wakool River at Kyalite 82 5.2.6 North Central CMA Region 87 Water Quality Characterisation 87 Station Specific Water Quality: Avoca River at Coonooer 95 5.2.7 North East CMA Region 99 Water Quality Characterisation 99 Station Specific Water Quality: Kiewa River at Mongans Bridge. 106 5.2.8 Port Phillip CaLP Region 111 Water Quality Characterisation 111 Station Specific Water Quality: Toolern Creek at Melton South 125 5.2.9 West Gippsland CMA Region 129 Water Quality Characterisation 129 Station Specific Water Quality: Thomson River at Whitelaws 135 5.2.10 Wimmera CMA Region 139 Water Quality Characterisation 139 Station Specific Water Quality: Wimmera River at Lochiel Railway Bridge Crossing 146 6 REFERENCES.......................................................................................................................... 150 7 GLOSSARY .............................................................................................................................. 153 APPENDIX I: WATER QUALITY GUIDELINES...................................................................................... 154 APPENDIX II: VICTORIAN CMA AND CALP REGIONS AND DRAINAGE BASINS............................ 170 APPENDIX III: STATION DESCRIPTIONS AND LOCATIONS.............................................................. 172 APPENDIX IV: PARAMETERS MONITORED ........................................................................................ 181 APPENDIX V: QUALITY ASSURANCE/QUALITY CONTROL.............................................................. 185 ii VICTORIAN WATER QUALITY MONITORING ANNUAL REPORT: 2002 List of Tables TABLE 1. LIST OF DOCUMENTS THAT COVER THE WATER QUALITY OBJECTIVES (SEPP) RELEVANT TO EACH CMA AND CALP REGION ACROSS THE STATE. 4 TABLE 2. ORGANISATIONS REQUESTING WATER QUALITY DATA IN 2002, INCLUDING THEIR RESPECTIVE NUMBER OF REQUESTS 14 TABLE 3. PERCENT ATTAINMENT OF SEPP OBJECTIVES AND ANZECC GUIDELINES FOR DISSOLVED OXYGEN, ELECTRICAL CONDUCTIVITY AND PH IN CMA AND CALP REGIONS DURING 2002. 24 TABLE 4. PERCENT ATTAINMENT OF SEPP OBJECTIVES AND ANZECC GUIDELINES FOR TURBIDITY AND SUSPENDED SOLIDS IN CMA AND CALP REGIONS DURING 2002. 26 TABLE 5. PERCENT ATTAINMENT OF SEPP OBJECTIVES AND ANZECC GUIDELINES FOR TOTAL NITROGEN, TOTAL PHOSPHORUS AND CHLOROPHYLL-A IN CMA AND CALP REGIONS DURING 2002. 29 TABLE 6. PERCENT ATTAINMENT OF SEPP OBJECTIVES AND ANZECC GUIDELINES FOR ARSENIC, CADMIUM, CHROMIUM, COPPER, NICKEL, LEAD AND ZINC IN CMA AND CALP REGIONS DURING 2002. SEPP OBJECTIVES REQUIRE 100% ATTAINMENT, ANZECC GUIDELINES REQUIRE 80% ATTAINMENT.32 TABLE 7. PERCENT ATTAINMENT OF SEPP AND ANZECC OBJECTIVES AND GUIDELINES FOR PHYSICAL PARAMETERS AT STATIONS WITHIN THE CORANGAMITE CMA REGION DURING 2002. 35 TABLE 8. PERCENT ATTAINMENT OF SEPP AND ANZECC OBJECTIVES FOR TURBIDITY AND SUSPENDED SOLIDS AT STATIONS WITHIN THE CORANGAMITE CMA REGION DURING 2002. 36 TABLE 9. PERCENT ATTAINMENT OF ANZECC OBJECTIVES FOR NUTRIENTS AT STATIONS WITHIN THE CORANGAMITE CMA REGION DURING 2002. 37 TABLE 10. PERCENT ATTAINMENT OF SEPP AND ANZECC OBJECTIVES FOR METALS AT STATIONS WITHIN THE CORANGAMITE CMA REGION DURING 2002. 38 TABLE 11. PERCENT ATTAINMENT OF SEPP AND ANZECC OBJECTIVES FOR PHYSICAL PARAMETERS AT STATIONS WITHIN THE EAST GIPPSLAND CMA REGION DURING 2002. 47 TABLE 12. PERCENT ATTAINMENT OF SEPP AND ANZECC OBJECTIVES FOR TURBIDITY AND SUSPENDED SOLIDS AT STATIONS WITHIN THE EAST GIPPSLAND CMA REGION DURING 2002. 48 TABLE 13. PERCENT ATTAINMENT OF ANZECC OBJECTIVES FOR NUTRIENTS AT STATIONS WITHIN THE EAST GIPPSLAND CMA REGION DURING 2002. 49 TABLE 14. PERCENT ATTAINMENT OF SEPP AND ANZECC OBJECTIVES FOR PHYSICAL PARAMETERS AT STATIONS WITHIN THE GLENELG-HOPKINS CMA REGION DURING 2002. 57 TABLE 15. PERCENT ATTAINMENT OF SEPP AND ANZECC OBJECTIVES FOR TURBIDITY AND SUSPENDED SOLIDS AT STATIONS WITHIN THE GLENELG-HOPKINS CMA REGION DURING 2002. 58 TABLE 16. PERCENT ATTAINMENT OF ANZECC OBJECTIVES FOR NUTRIENTS AT STATIONS WITHIN THE GLENELG-HOPKINS CMA REGION DURING 2002. 59 TABLE 17. PERCENT ATTAINMENT OF SEPP AND ANZECC OBJECTIVES METALS AT STATIONS WITHIN THE GLENELG-HOPKINS CMA REGION DURING 2002. 60 TABLE 18. PERCENT ATTAINMENT OF SEPP AND ANZECC OBJECTIVES FOR PHYSICAL PARAMETERS AT STATIONS WITHIN THE GOULBURN-BROKEN CMA REGION DURING 2002. 69 TABLE 19. PERCENT ATTAINMENT OF SEPP AND ANZECC OBJECTIVES FOR TURBIDITY AND SUSPENDED SOLIDS AT STATIONS WITHIN THE GOULBURN-BROKEN CMA REGION DURING 2002. 70 TABLE 20. PERCENT ATTAINMENT OF ANZECC OBJECTIVES FOR NUTRIENTS AT STATIONS WITHIN THE GOULBURN-BROKEN CMA REGION DURING 2002. 71 TABLE 21. PERCENT ATTAINMENT OF SEPP AND ANZECC OBJECTIVES FOR METALS AT STATIONS WITHIN THE GOULBURN- BROKEN CMA REGION DURING 2002. 72 TABLE 22. PERCENT ATTAINMENT OF SEPP AND ANZECC OBJECTIVES FOR PHYSICAL PARAMETERS AT STATIONS WITHIN THE MALLEE CMA REGION DURING 2002. 80 TABLE 23. PERCENT ATTAINMENT OF SEPP AND ANZECC OBJECTIVES FOR TURBIDITY AND SUSPENDED SOLIDS AT STATIONS WITHIN THE MALLEE CMA REGION DURING 2002. 80 TABLE 24. PERCENT ATTAINMENT OF ANZECC OBJECTIVES FOR NUTRIENTS AT STATIONS WITHIN THE MALLEE CMA REGION DURING 2002. 80 TABLE 25. PERCENT ATTAINMENT OF SEPP AND ANZECC OBJECTIVES FOR PHYSICAL PARAMETERS AT STATIONS WITHIN THE NORTH CENTRAL CMA REGION DURING 2002. 89 TABLE 26. PERCENT ATTAINMENT OF SEPP AND ANZECC OBJECTIVES FOR TURBIDITY AND SUSPENDED SOLIDS AT STATIONS