Volume – IV Sectoral Report (1/3) Sectoral Report (C) Water Supply Final Report Sectoral Report (C) Water Supply Table of Contents THE PROJECT ON THE DEVELOPMENT OF THE NATIONAL WATER MASTER PLAN 2030 IN THE REPUBLIC OF KENYA FINAL REPORT VOLUME – IV SECTORAL REPORT (1/3) C: WATER SUPPLY Abbreviation Table of Contents Page CHAPTER 1 INTRODUCTION ................................................................................................ C-1 CHAPTER 2 CURRENT SITUATION OF WATER SUPPLY .............................................. C-2 2.1 Relevant Policies and Strategies .......................................................................................... C-2 2.2 Relevant Organizations ........................................................................................................ C-5 2.3 Current Situation ................................................................................................................ C-12 2.3.1 Overview ............................................................................................................. C-12 2.3.2 Summary of the Existing Master Plan Studies and Progress of Identified Key Projects ........................................................................................ C-16 2.3.3 Lake Victoria North Catchment Area ................................................................. C-23 2.3.4 Lake Victoria South Catchment Area ................................................................. C-24 2.3.5 Rift Valley Catchment Area ................................................................................ C-26 2.3.6 Athi Catchment Area .......................................................................................... C-27 2.3.7 Tana Catchment Area.......................................................................................... C-29 2.3.8 Ewaso Ng’iro North Catchment Area ................................................................. C-30 2.4 Ongoing Projects and Existing Plans ................................................................................. C-31 2.5 Operation and Maintenance Issues ..................................................................................... C-32 2.6 Challenges and Key Issues ................................................................................................. C-32 CHAPTER 3 PRESENT AND FUTURE WATER DEMANDS ............................................ C-34 3.1 General ............................................................................................................................... C-34 3.2 Population Projection ......................................................................................................... C-35 3.2.1 Base Data ............................................................................................................ C-35 3.2.2 Planning Horizon ................................................................................................ C-36 Nippon Koei Co., Ltd. C - i The Development of the National Water Master Plan 2030 Final Report Table of Contents Sectoral Report (C) Water Supply 3.2.3 Population Projection .......................................................................................... C-36 3.2.4 Population Distribution Forecast ........................................................................ C-38 3.3 Economic Indices Projection .............................................................................................. C-41 3.3.1 Base Data and Current Situation ......................................................................... C-41 3.3.2 GDP Projection ................................................................................................... C-41 3.4 Domestic Water Demand ................................................................................................... C-42 3.4.1 General ................................................................................................................ C-42 3.4.2 Present Water Demand ........................................................................................ C-42 3.4.3 Future Water Demand ......................................................................................... C-43 3.5 Industrial Water Demand ................................................................................................... C-46 3.5.1 General ................................................................................................................ C-46 3.5.2 Present Industrial Water Demand ....................................................................... C-46 3.5.3 Future Industrial Water Demand ......................................................................... C-48 3.6 Livestock Water Demand ................................................................................................... C-48 3.6.1 General ................................................................................................................ C-48 3.6.2 Present Livestock Water Demand ....................................................................... C-48 3.6.3 Future Livestock Water Demand ........................................................................ C-49 3.7 Wildlife Water Demand ..................................................................................................... C-52 3.7.1 General ................................................................................................................ C-52 3.7.2 Present Water Demand ........................................................................................ C-52 3.7.3 Future Water Demand ......................................................................................... C-53 3.8 Inland Fisheries Water Demand ......................................................................................... C-54 3.8.1 General ................................................................................................................ C-54 3.8.2 Present Water Demand ........................................................................................ C-55 3.8.3 Future Water Demand ......................................................................................... C-55 3.9 Summary of Future Water Demands .................................................................................. C-56 CHAPTER 4 WATER SUPPLY DEVELOPMENT PLAN ................................................... C-57 4.1 General ............................................................................................................................... C-57 4.2 Overall Concept and Framework for Planning .................................................................. C-58 4.3 Water Supply Development Plan for Lake Victoria North Catchment Area (LVNCA)C- ....................................................................................................................... C-60 4.3.1 Development Strategy ......................................................................................... C-60 4.3.2 Proposed Water Supply Development Plan ........................................................ C-62 4.4 Water Supply Development Plan for Lake Victoria South Catchment Area (LVSCA) ............................................................................................................................ C-63 4.4.1 Development Strategy ......................................................................................... C-63 4.4.2 Proposed Water Supply Development Plan ........................................................ C-66 4.5 Water Supply Development Plan for Rift Valley Catchment Area (RVCA) ..................... C-66 4.5.1 Development Strategy ......................................................................................... C-66 4.5.2 Proposed Water Supply Development Plan ........................................................ C-69 4.6 Water Supply Development Plan for Athi Catchment Area (ACA) .................................. C-70 The Development of C - ii Nippon Koei Co., Ltd. the National Water Master Plan 2030 Final Report Sectoral Report (C) Water Supply Table of Contents 4.6.1 Development Strategy ......................................................................................... C-70 4.6.2 Proposed Water Supply Development Plan ........................................................ C-72 4.7 Water Supply Development Plan for Tana Catchment Area (TCA) .................................. C-73 4.7.1 Development Strategy ......................................................................................... C-73 4.7.2 Proposed Water Supply Development Plan ........................................................ C-75 4.8 Water Supply Development Plan for Ewaso Ng’iro North Catchment Area (ENNCA) ........................................................................................................................... C-76 4.8.1 Development Strategy ......................................................................................... C-76 4.8.2 Proposed Water Supply Development Plan ........................................................ C-78 CHAPTER 5 COST ESTIMATE ............................................................................................. C-80 5.1 Basic Conditions for Cost Estimate ................................................................................... C-80 5.2 Cost Estimate ..................................................................................................................... C-80 5.2.1 Project Costs