THE REPUBLICOFKENYA THE REPUBLIC OF KENYA MINISTRY OF ENVIRONMENT, WATER AND NATURAL RESOURCES WATER RESOURCES MANAGEMENT AUTHORITY THE NATIONALWATERMASTERPLAN2030 THE PROJECTONDEVELOPMENTOF THE REPUBLIC OF KENYA THE PROJECT ON THE DEVELOPMENT OF THE NATIONAL WATER MASTER PLAN 2030 VOLUME - II MAINREPORT(1/2) VOLUME -II FINAL REPORT FINAL REPORT VOLUME - II MAIN REPORT (1/2) OCTOBER 2013 OCTOBER 2013 JAPAN INTERNATIONAL COOPERATION AGENCY NIPPON KOEI CO., LTD. GE JR 13-202 THE REPUBLICOFKENYA THE REPUBLIC OF KENYA MINISTRY OF ENVIRONMENT, WATER AND NATURAL RESOURCES WATER RESOURCES MANAGEMENT AUTHORITY THE NATIONALWATERMASTERPLAN2030 THE PROJECTONDEVELOPMENTOF THE REPUBLIC OF KENYA THE PROJECT ON THE DEVELOPMENT OF THE NATIONAL WATER MASTER PLAN 2030 VOLUME - II MAINREPORT(1/2) VOLUME -II FINAL REPORT FINAL REPORT VOLUME - II MAIN REPORT (1/2) OCTOBER 2013 OCTOBER 2013 JAPAN INTERNATIONAL COOPERATION AGENCY NIPPON KOEI CO., LTD. GED JR 13-202 FINAL REPORT List of Reports VOLUME - I EXECUTIVE SUMMARY VOLUME - II MAIN REPORT (1/2) Part A : Overall Concepts and Frameworks Part B : Lake Victoria North Catchment Area Part C : Lake Victoria South Catchment Area Part D : Rift Valley Catchment Area VOLUME - III MAIN REPORT (2/2) Part E : Athi Catchment Area Part F : Tana Catchment Area Part G : Ewaso Ng’iro North Catchment Area Part H : Action Plan for WRMA Regional Offices toward 2022 VOLUME - IV SECTORAL REPORT (1/3) Part A : Socio-economy Part B : Meteorology and Hydrology Part C : Water Supply Part D : Sanitation VOLUME - V SECTORAL REPORT (2/3) Part E : Agriculture and Irrigation Part F : Hydropower Part G : Water Resources Development Part H : Water Resources Management Part J : Flood and Drought Disaster Management VOLUME - VI SECTORAL REPORT (3/3) Part K : Environmental and Social Considerations Part L : Institution Part M : Database and GIS Part N : Pilot Activities VOLUME - VII DATA BOOK Part A : Meteorological and Hydrological Data Part B : Irrigation Inventory Part C : Subletting Works EXCHANGE RATE US$1.00 = KSh 85.24 = ¥79.98 as of November 1, 2012 Volume – II Main Report (1/2) Part A Overall Concepts and Frameworks Location Map Final Report Main Report Part A: Overall Concepts and Frameworks Table of Contents THE PROJECT ON THE DEVELOPMENT OF THE NATIONAL WATER MASTER PLAN 2030 IN THE REPUBLIC OF KENYA FINAL REPORT VOLUME - II MAIN REPORT (1/2) PART A: OVERALL CONCEPTS AND FRAMEWORKS Location Map Abbreviation Table of Contents Page CHAPTER 1 INTRODUCTION ............................................................................................. MA-1 1.1 Background of the Project ................................................................................................... MA-1 1.2 Objectives of the Project ..................................................................................................... MA-1 1.3 Outline of the Project .......................................................................................................... MA-2 1.3.1 Project Area and Target Year ............................................................................... MA-2 1.3.2 Phasing and Contents of the Project ..................................................................... MA-2 1.3.3 Outputs of the Project .......................................................................................... MA-3 CHAPTER 2 PHYSICAL CONDITIONS .............................................................................. MA-4 2.1 Land, Topography and Physiography ................................................................................. MA-4 2.2 General Geology ................................................................................................................. MA-4 2.2.1 Overview .............................................................................................................. MA-4 2.2.2 Geology of Each Series ........................................................................................ MA-4 2.2.3 Tectonics .............................................................................................................. MA-5 2.3 Climate and Meteorology .................................................................................................... MA-5 2.3.1 General ................................................................................................................. MA-5 2.3.2 Climatic Zone ....................................................................................................... MA-6 2.3.3 Meteorology ......................................................................................................... MA-7 2.4 Rivers, Lakes and Springs ................................................................................................... MA-8 CHAPTER 3 SOCIO-ECONOMY ........................................................................................ MA-10 3.1 Administrative Division .................................................................................................... MA-10 3.2 Population ......................................................................................................................... MA-10 3.3 Macro Economy ................................................................................................................ MA-12 Nippon Koei Co., Ltd. MA - i The Development of the National Water Master Plan 2030 Final Report Table of Contents Main Report Part A: Overall Concepts and Frameworks 3.3.1 Present Economic Performance ......................................................................... MA-12 3.3.2 GDP Projection .................................................................................................. MA-12 3.4 Public Finance ................................................................................................................... MA-13 3.5 Household Welfare and Poverty ........................................................................................ MA-15 CHAPTER 4 NATIONAL WATER POLICY AND DEVELOPMENT TARGETS ....... MA-17 4.1 National Water Policy ....................................................................................................... MA-17 4.2 National Development Targets .......................................................................................... MA-17 CHAPTER 5 WATER RESOURCES OF KENYA ............................................................. MA-19 5.1 Projection of Future Climates ........................................................................................... MA-19 5.2 Water Resources ................................................................................................................ MA-20 5.2.1 Renewable Water Resources .............................................................................. MA-20 5.2.2 Sustainable Groundwater Yield ......................................................................... MA-22 5.2.3 Available Water Resources ................................................................................ MA-22 5.2.4 Per Capita Water Resources ............................................................................... MA-23 CHAPTER 6 PRESENT WATER USE AND FUTURE WATER DEMANDS ................ MA-24 6.1 General .............................................................................................................................. MA-24 6.2 Basic Conditions for Projection ........................................................................................ MA-24 6.3 Domestic Water Demand .................................................................................................. MA-25 6.3.1 Present Domestic Water Demand ...................................................................... MA-25 6.3.2 Future Domestic Water Demand ........................................................................ MA-26 6.4 Industrial Water Demand .................................................................................................. MA-28 6.4.1 Present Industrial Water Demand ...................................................................... MA-28 6.4.2 Future Industrial Water Demand ........................................................................ MA-29 6.5 Irrigation Water Demand .................................................................................................. MA-30 6.5.1 Present Water Demand ....................................................................................... MA-30 6.5.2 Future Water Demands ...................................................................................... MA-32 6.6 Livestock Water Demand .................................................................................................. MA-35 6.6.1 Present Livestock Water Demand ...................................................................... MA-35 6.6.2 Future Livestock Water Demand ....................................................................... MA-36 6.7 Wildlife Water Demand .................................................................................................... MA-37 6.7.1 Present Water Demand ....................................................................................... MA-37 6.7.2 Future Wildlife Water Demand .......................................................................... MA-38 6.8 Inland Fishery Water Demand .......................................................................................... MA-39 6.8.1 Present Water Demand ......................................................................................