Limpopo Water Management Area North Reconciliation Strategy Limpopo Water Management Area North Reconciliation Strategy Date: December 2015 Phase 1: Study planning and Process PWMA 01/000/00/02914/1 Initiation Inception Report Phase 2: Study Implementation PWMA 01/000/00/02914/2 Literature Review PWMA 01/000/00/02914/3/1 PWMA 01/000/00/02914/3 Supporting Document 1: Hydrological Analysis Rainfall Data Analysis PWMA 01/000/00/02914/4/1 PWMA 01/000/00/02914/4 Supporting Document 1: Water Requirements and Return Flows Irrigation Assessment PWMA 01/000/00/02914/5 PWMA 01/000/00/02914/4/2 Water Quality Assessment Supporting Document 2: Water Conservation and Water Demand PWMA 01/000/00/02914/6 Management (WCWDM) Status Groundwater Assessment and Utilisation PWMA 01/000/00/02914/4/3 Supporting Document 3: PWMA 01/000/00/02914/7 Socio-Economic Perspective on Water Yield analysis (WRYM) Requirements PWMA 01/000/00/02914/8 PWMA 01/000/00/02914/7/1 Water Quality Modelling Supporting Document 1: Reserve Requirement Scenarios PWMA 01/000/00/02914/9 Planning Analysis (WRPM) PWMA 01/000/00/02914/10/1 PWMA 01/000/00/02914/10 Supporting Document 1: Water Supply Schemes Opportunities for Water Reuse PWMA 01/000/00/02914/11A PWMA 01/000/00/02914/10/2 Preliminary Reconciliation Strategy Supporting Document 2: Environmental and Social Status Quo PWMA 01/000/00/02914/11B Final Reconciliation Strategy PWMA 01/000/00/02914/10/3 Supporting Document 3: PWMA 01/000/00/02914/12 Screening Workshop Starter Document International Obligations PWMA 01/000/00/02914/13 Training Report P WMA 01/000/00/02914/14 Phase 3: Study Termination Close-out Report PWMA 01/000/00/02914/2– Literature Review Limpopo Water Management Area North Reconciliation Strategy i TABLE OF CONTENTS Page 1 INTRODUCTION ................................................................................................................... 1-1 1.1 Appointment of PSP ................................................................................................ 1-1 1.2 Background to the Project ....................................................................................... 1-1 1.3 Study Area .............................................................................................................. 1-3 1.4 Main objectives of the study .................................................................................... 1-5 1.5 Scope of this report ................................................................................................. 1-5 1.6 Layout of the report ................................................................................................. 1-6 2 SUMMARY OF PERTINENT INFORMATION FROM REVIEWED STUDIES AND REPORTS .................. 2-1 2.1 Development of a Reconciliation Strategy – for All Towns in the Northern Region ..................................................................................................................... 2-1 2.1.1 Overview ................................................................................................. 2-1 2.2 Water Resources Situation Assessment: Limpopo Water Management Area .......... 2-6 2.2.1 Overview ................................................................................................. 2-6 2.2.2 Main findings ........................................................................................... 2-6 2.2.3 Conclusions and recommendations ......................................................... 2-7 2.3 Limpopo Water Management Area: Overview of Water Resources Availability and Utilisation ...................................................................................... 2-10 2.3.1 Overview ............................................................................................... 2-10 2.3.2 Economic activity and population ........................................................... 2-10 2.3.3 Water requirements ............................................................................... 2-11 2.3.4 Water resources .................................................................................... 2-13 2.3.5 Reconciliation of requirements and availability ....................................... 2-17 2.4 Internal Strategic Perspective: Limpopo Water Management Area Version 1 ........ 2-20 2.4.1 Overview ............................................................................................... 2-20 2.4.2 Internal Strategic Perspective: Limpopo Water Management Area Part A .................................................................................................... 2-21 2.4.3 Internal Strategic Perspective: Limpopo Water Management Area Part B .................................................................................................... 2-21 2.5 Groundwater Use in Parts of the Limpopo Basin, South Africa .............................. 2-37 2.5.1 Overview ............................................................................................... 2-37 2.5.2 Main findings ......................................................................................... 2-37 2.6 Joint Limpopo River Basin Study ........................................................................... 2-40 2.6.1 Overview ............................................................................................... 2-40 2.6.2 Main findings ......................................................................................... 2-41 PWMA 01/000/00/02914/2– Literature Review Limpopo Water Management Area North Reconciliation Strategy ii 2.7 Limpopo River Basin Monograph Study ................................................................. 2-43 2.7.1 Overview ............................................................................................... 2-44 2.7.2 Main findings ......................................................................................... 2-44 2.7.3 Issues and recommendations ................................................................ 2-47 2.8 National Water Resource Strategy – Water for an Equitable and Sustainable Future. Second Edition .......................................................................................... 2-47 2.8.1 Overview ............................................................................................... 2-47 2.8.2 Annexure A: Perspectives per Water Management Area ....................... 2-48 2.9 Updating the Hydrology and Yield Analysis in the Mokolo River Catchment .......... 2-50 2.9.1 Overview ............................................................................................... 2-50 2.9.2 Rainfall Data Analysis ............................................................................ 2-51 2.9.3 Hydrological Analysis ............................................................................. 2-52 2.9.4 Yield Analysis ........................................................................................ 2-57 2.9.5 Planning Analysis .................................................................................. 2-59 2.10 Mokolo and Crocodile River (West): Water Augmentation Project ......................... 2-61 2.10.1 Overview ............................................................................................... 2-61 2.10.2 Mokolo River catchment water resources .............................................. 2-62 2.10.3 Water requirements ............................................................................... 2-63 2.10.4 Phased development ............................................................................. 2-69 2.11 Classification of Significant Water Resources in the Crocodile (West), Marico, Mokolo and Matlabas Catchments ............................................................ 2-71 2.11.1 Overview ............................................................................................... 2-71 2.11.2 Information Analysis Report: Mokolo and Matlabas catchments ............ 2-72 2.11.3 Integrated Units of Analysis Delineation Report ..................................... 2-73 2.11.4 Ecological Water Requirement Report ................................................... 2-76 2.11.5 Ecological Sustainable Base Configuration Scenario Report ................. 2-78 2.11.6 Evaluation of Scenarios Report ............................................................. 2-79 2.11.7 Management Classes Report ................................................................ 2-84 2.11.8 Government Gazette ............................................................................. 2-85 2.12 The Establishment of Operating Rules for the Glen Alpine System ....................... 2-85 2.12.1 Overview ............................................................................................... 2-86 2.12.2 Rainfall and Hydrology (Volume 2/6) ..................................................... 2-86 2.12.3 Water Quality (Volume 3/6).................................................................... 2-90 2.12.4 Groundwater analysis (Volume 4/6) ....................................................... 2-91 2.12.5 Yield Analysis (Volume 5/6) ................................................................... 2-92 2.12.6 Decision Support System (Volume 6/6) ................................................. 2-93 2.13 Nylsvley Executive Summary ................................................................................ 2-94 2.13.1 Overview ............................................................................................... 2-94 2.13.2 Main findings ........................................................................................