BULK WATER SUPPLY INFRASTRUCTURE MASTER PLANNING FOR THE MAGALIES WATER AREA OF SUPPLY COMPREHENSIVE FEASIBILITY STUDY FOR POSSIBLE EXTENSIONS ON THE BULK WATER SUPPLY SCHEMES: TEMBA/KLIPDRIFT/KLIPVOOR TO MORETELE AND WATERBERG JULY 2013 38 Heystek Street, Private Bag X82327, Rustenburg 0300. Tel: 014-597 4636, Fax: 014 597-1843 Website: www.magalieswater.co.za Feasibility Report July 2013 BULK WATER SUPPLY INFRASTRUCTURE MASTER PLANNING FOR THE MAGALIES WATER AREA OF SUPPLY COMPREHENSIVE FEASIBILITY STUDY FOR POSSIBLE EXTENSIONS ON THE BULK WATER SUPPLY SCHEMES: TEMBA/KLIPDRIFT/KLIPVOOR TO MORETELE AND WATERBERG CONTENTS Contents ................................................................................................................................... i Maps ...................................................................................................................................... vii Summary .................................................................................................................................ix PART A: INTRODUCTION AND BACKGROUND ................................................................. 1 1. INTRODUCTION AND BACKGROUND TO STUDY AREA ...................................... 1 1.1 Study area and main role players .............................................................................. 1 1.2 Purpose of the study .................................................................................................. 1 1.3 Existing water supply schemes and water resources ................................................ 2 1.4 Background to Magalies Water’s operations (Ref 1 & 2) ........................................... 3 1.5 Background to Klipdrift ............................................................................................... 4 1.6 Temba Water Treatment Works (CoT) ...................................................................... 4 1.7 Classification of municipalities in region and social component ................................ 5 1.8 Application for raw water licenses ............................................................................. 6 2. WATER RESOURCES IN THE MAGALIES WATER REGION ................................. 9 2.1 Background summary of regional water resources and water supply systems ......... 9 2.2 Crocodile River resources and quality issues in Magalies Water region (Ref 7) ..... 10 2.3 Return flows (Ref 7) ................................................................................................. 11 2.4 Water quality ............................................................................................................ 11 2.5 Specific water quality issues in the area of supply .................................................. 15 2.6 State of rivers in region (Ref 10) .............................................................................. 17 2.7 Water resources impact ........................................................................................... 19 2.8 Water use license/water use allocation ................................................................... 24 2.9 The development of annual operation rules for the Crocodile River System ........... 25 (ref 16) ............................................................................................................................... 25 3. ENVISAGED OR PLANNED DEVELOPMENTS IN STUDY AREA ........................ 42 3.1 Klipdrift supply area and Moretele region ................................................................ 42 3.2 Moretele region ........................................................................................................ 45 4. WATER CONSERVATION AND WATER DEMAND MANAGEMENT (18) ............. 46 4.1 Overview of Bojanala Platinum District Municipality (DM) ....................................... 46 i Feasibility Report July 2013 4.2 Moretele LM ............................................................................................................. 46 4.3. Non-revenue water and sanitation ........................................................................... 54 5. MORETELE LOCAL MUNICIPALITY PREVIOUS FEASIBILITY STUDY (Ref 18) . 55 5.1 Regional water supply ............................................................................................. 55 5.2 Institutional structure and cost recovery .................................................................. 55 5.3 Other regional aspects/profile .................................................................................. 56 5.4 Composition of Moretele North Water Supply System (MNWS) .............................. 60 5.5 Planned infrastructure .............................................................................................. 60 6. MORETELE REGIONAL SUPPLY (Ref 8) .............................................................. 63 6.1 Temba Bulk Supply System ..................................................................................... 63 6.2 Strategic planning for Temba system ...................................................................... 65 6.3 Master planning for Temba supply scheme by CoT ................................................ 67 6.4 Possible supply from Klipdrift WTW and route of Moretele supply main ................. 68 6.5 New connections to Eastern System - operational aspects ..................................... 68 6.6 Alternative arrangement for Temba into Moretele ................................................... 69 7. STORAGE FACILITY FOR CoT AND MORETELE SUPPLY ................................ 70 7.1 Background on Steve Bikoville Reservoir ................................................................ 70 7.2. Bulk storage requirements ....................................................................................... 71 7.3 Site inspection of existing structure ......................................................................... 72 7.4. Analysis of options available for Steve Biko Reservoir .............................................. 75 7.5 Alternative reservoir site .......................................................................................... 77 7.6 Applicability of environmental activities according to Listing notice 1 (requiring a Basic Assessment) .................................................................................................... 78 7.7 Feasibility study pertaining to the new Moretele (Steve Bikoville) pipeline .............. 85 7.8 Feasibility of adopting the Steve Bikoville Reservoir ............................................... 87 7.9 Recommendations regarding using existing Steve Bikoville Reservoir ................... 88 7.10 Conclusion ............................................................................................................... 89 8. KLIPVOOR DAM PREVIOUSLY PROPOSED REGIONAL SCHEME (Ref 12 and 8) ................................................................................................................................. 90 8.1 Introduction .............................................................................................................. 90 8. 2 Population and area served by Moretele Water Supply Scheme. ........................... 90 8.3 Klipvoor area previous feasibility study .................................................................... 92 9. KLIPDRIFT OR KLIPVOOR TO WATERBERG (Ref 11) ........................................ 98 9.1 Background .............................................................................................................. 98 9.2 Overview of the project ............................................................................................ 98 9.3 Completed feasibility study: surface water .............................................................. 99 ii Feasibility Report July 2013 9.4 Completed feasibility: groundwater ........................................................................ 103 10. INVESTIGATION INTO FAR NORTH-WESTERN SECTION OF DR JS MOROKA LM (REF 12) .......................................................................................................... 105 10.1 Project area ........................................................................................................... 105 10.2 Population, level of service and water demand ..................................................... 106 10.3 Water supply alternatives ...................................................................................... 107 10.4 Recommended water supply plan ......................................................................... 108 10.5 Availability of raw water ......................................................................................... 113 11. SUPPLY FROM KLIPDRIFT OR KLIPVOOR DAM ............................................... 113 11.1 Klipvoor versus Klipdrift ......................................................................................... 113 11.2 Possible pipeline routes ......................................................................................... 113 12. POSSIBLE SUPPLY TO KLIPVOOR, LIMPOPO AND DR JS MOROKA REGIONS WITH POSSIBLE LINKAGE TO KLIPDRIFT. ........................................................ 114 12.1. PREVIOUS STUDIES CONDUCTED AND RELEVANT AVAILABLE DATA ........ 114 12.2 Brief description of existing infrastructure .............................................................. 117 12.3 Population and households affected .....................................................................