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Sonae Novobord White River Biomonitoring Winter Water monitoring reports/489988... · PDF file · 2015-11-13Sonae Novobord White River Biomonitoring ... Sonae Novobord White River

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  • Sonae Novobord White River Biomonitoring Winter 2015

    Report Prepared for

    Sonae Novobord

    Report Number 489988/06/15

    Report Prepared by

    June 2015

  • SRK Consulting: 489988: Sonae Novobord Biomonitoring Page i

    VARS/WODA 489988_Sonae Novobord_Biomonitoring Report_June 2015_Final.docx June 2015

    Sonae Novobord White River Biomonitoring Winter 2015

    Sonae Novobord Heidelberg Road Rockys Drift White River 1240

    SRK Consulting (South Africa) (Pty) Ltd 265 Oxford Rd Illovo 2196 Johannesburg South Africa

    e-mail: [email protected] website: www.srk.co.za

    Tel: +27 (0) 11 441 1111 Fax: +27 (0) 11 880 8086

    SRK Project Number 489988

    June 2015

    Compiled by: Reviewed by:

    Suzanne van Rooy Senior Environmental Scientist

    Dr Andrew Wood Partner

    Email: [email protected]

    Authors:

    Suzanne van Rooy

    http://www.srk.co.za/

  • SRK Consulting: 489988: Sonae Novobord Biomonitoring Page ii

    VARS/WODA 489988_Sonae Novobord_Biomonitoring Report_June 2015_Final.docx June 2015

    Table of Contents

    List of Abbreviations .................................................................................................................................... iv

    1 Introduction and Scope of Report ............................................................................... 5

    1.1 Introduction and background .............................................................................................................. 5

    1.2 Project team ........................................................................................................................................ 5

    2 Background to Sonae Novobords operation ............................................................ 5

    3 Setting ........................................................................................................................... 6

    3.1 Regional Setting .................................................................................................................................. 6

    3.2 Water Management Area .................................................................................................................... 6

    3.3 Ecoregions .......................................................................................................................................... 6

    4 Biomonitoring Methodology ........................................................................................ 9

    4.1 Background to Biomonitoring .............................................................................................................. 9

    4.2 Biomonitoring Sample Sites ................................................................................................................ 9

    4.1 Biomonitoring Methodology .............................................................................................................. 11

    4.1.1 Water Quality ......................................................................................................................... 12

    4.1.2 Toxicity Testing ..................................................................................................................... 12

    4.1.3 Invertebrate Habitat Assessment .......................................................................................... 12

    4.1.4 Aquatic Macro Invertebrates ................................................................................................. 12

    5 Results and Discussion ............................................................................................. 15

    5.1 Water Quality .................................................................................................................................... 15

    5.1.1 Toxicity Testing ..................................................................................................................... 18

    5.1.2 Invertebrate Habitat Assessment .......................................................................................... 18

    5.1.3 Aquatic Macro Invertebrates ................................................................................................. 19

    6 Conclusions and Recommendations ........................................................................ 20

    7 References .................................................................................................................. 23

    Appendices ...................................................................................................................... 24

    Appendix A: Water Quality Results ............................................................................. 25

    Appendix B: Toxicity Results ....................................................................................... 26

    Appendix C: IHAS Score Card ...................................................................................... 27

    Appendix D: SASS5 Score Card ................................................................................... 28

  • SRK Consulting: 489988: Sonae Novobord Biomonitoring Page iii

    VARS/WODA 489988_Sonae Novobord_Biomonitoring Report_June 2015_Final.docx June 2015

    List of Tables Table 1-1: Project team for Sonae Novobord biomonitoring .............................................................................. 5

    Table 4-1: Sonae Novobord Biomonitoring site description and coordinates .................................................... 9

    Table 4-2: Toxicity classification for screening tests (undiluted samples) ........................................................ 12

    Table 4-3: Invertebrate Habitat Assessment System (Version 2) .................................................................... 12

    Table 4-4: Modelled reference condition for the North Eastern Highlands Upper zone ................................... 13

    Table 5-1: Sonae Novobord Biomonitoring water quality results June 2015 ................................................ 15

    Table 5-2: Sonae Novobord Biomonitoring toxicity test results June 2015 ................................................... 18

    Table 5-3: Sonae Novobord Biomonitoring Historical Invertebrate Habitat Assessment results for monitoring point C ........................................................................................................................................ 18

    Table 5-4: Sonae Novobord Biomonitoring Historical SASS5 results for monitoring point C .......................... 19

    List of Figures Figure 3-1: Regional Location of Sonae Novobord ............................................................................................ 7

    Figure 3-2: Level 1 Ecoregions of South Africa (Kleynhans et al, 2005) ............................................................ 8

    Figure 4-1 Sonae Novobord monitoring sites June 2015 ................................................................................. 10

    Figure 4-2 Monitoring point A upstream of outflow ........................................................................................ 11

    Figure 4-3 Monitoring point B - outflow ............................................................................................................. 11

    Figure 4-4 Monitoring point C downstream of outflow ................................................................................... 11

    Figure 4-5: Guidelines used to delineate the Present Ecological State (PES) categories in term of SASS5 biomonitoring results .................................................................................................................. 14

    Figure 5-1: Sonae Novobord Water Quality Results: March 2010 June 2015 .............................................. 17

    Figure 5-2: Sonae Novobord historical SASS5 results for monitoring point C (downstream of stormwater outflow) ....................................................................................................................................... 19

    Figure 5-3: Simulidae (Black Flies) ................................................................................................................... 20

    Figure 5-4: Ancylidae (Freshwater Limpets)..................................................................................................... 20

  • SRK Consulting: 489988: Sonae Novobord Biomonitoring Page iv

    VARS/WODA 489988_Sonae Novobord_Biomonitoring Report_June 2015_Final.docx June 2015

    List of Abbreviations

    ASPT Average Score Per Taxa

    DWAF Department of Water Affairs and Forestry

    DWA Department of Water Affairs

    DWS Department of Water and Sanitation

    EC Electrical Conductivity

    IHAS Integrated Habitat Assessment System

    NWA National Water Act

    PES Present Ecological State

    SANS South African National Standards

    SASS5 South African Scoring System Version 5

    SGM Sand Gravel Mud

    TDS Total Dissolved Solids

    WUL Water Use Licence

  • SRK Consulting: 489988: Sonae Novobord Biomonitoring Page 5

    VARS/WODA 489988_Sonae Novobord_Biomonitoring Report_June 2015_Final.docx June 2015

    1 Introduction and Scope of Report

    1.1 Introduction and background

    SRK was requested by Mr. Peter Viljoen of Sonae Novobord to undertake the bi-annual

    biomonitoring for its operation near White River, Mpumalanga Province. Sonae Novobord White

    River (Sonae Novobord) is a wood based panel producer and forms part of the Sonae Industria

    Group, one of the largest wood based panel groups in the world. The comp

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