STUDY ON PLANNING OF WATER RESOURCES OF RAJASTHAN INRM Consultants Pvt Ltd Final Report No. 4.6 Water Supply and Demand by Districts October 2014 STUDY ON PLANNING OF WATER RESOURCES OF RAJASTHAN STUDY ON PLANNING OF WATER RESOURCES OF RAJASTHAN Contents Page Table of Contents i Abbreviations and Acronyms ix PART A – General Executive Summary .............................................................................................................. I 1. INTRODUCTION ............................................................................................................... 1 2. OBJECTIVE ..................................................................................................................... 1 3. APPROACH ..................................................................................................................... 1 4. METHODOLOGY .............................................................................................................. 2 PART B – Water Demand 1. COMPUTATION OF WATER DEMANDS ............................................................................................ 3 1.1 General ................................................................................................................................. 3 1.2 Approach .............................................................................................................................. 3 1.3 Priorities ............................................................................................................................... 3 2. POPULATION AND DOMESTIC WATER DEMAND ............................................................................ 4 2.1 Introduction .......................................................................................................................... 4 2.2 Demographic Scenario ......................................................................................................... 4 2.3 Size, Growth Rate and Distribution of Population .............................................................. 5 2.4 Decadal Variation in Rajasthan Population Since 1901 ...................................................... 9 2.5 Decadal Variation of District Populations ......................................................................... 10 2.6 Population Density ............................................................................................................. 11 2.7 Migration ........................................................................................................................... 13 2.8 Urbanization ....................................................................................................................... 14 2.9 Population Projections ....................................................................................................... 15 2.9.1 Introduction ........................................................................................................ 15 2.9.2 Methodology ....................................................................................................... 15 2.10 Domestic Water Demand ...................................................................................................... 19 3. LIVESTOCK WATER DEMAND ...................................................................................................... 26 3.1 General ............................................................................................................................... 26 3.2 Current Livestock Population ............................................................................................ 26 3.3 Livestock Population Projection ........................................................................................ 37 3.4 Water Requirements ........................................................................................................... 38 4. INSTITUTIONAL WATER DEMAND ................................................................................................ 39 4.1 Water Requirement Norms ................................................................................................ 39 4.2 Fire-Fighting Demand ........................................................................................................ 40 4.3 Assessment of Institutional Water Demand ....................................................................... 40 5. IRRIGATION WATER DEMAND ...................................................................................................... 41 5.1 Methodology ...................................................................................................................... 41 5.1.1 Crop Water Requirements .................................................................................. 41 5.1.2 The Modified Penman Method ........................................................................... 41 5.1.3 Net Crop Water Requirement ............................................................................. 41 5.2 Net Irrigation Demand ....................................................................................................... 41 6. POWER STATION ’S COOLING WATER DEMAND ........................................................................... 42 6.1 Introduction ........................................................................................................................ 42 6.2 Unit Water Requirements .................................................................................................. 42 6.3 Existing Power Generation and Water Requirements ........................................................ 43 6.4 Future Power Generation Development and Water Requirements .................................... 44 7. WILDLIFE , GAME RESERVES AND SANCTUARIES ........................................................................ 45 7.1 Game Reserves and Sanctuaries ........................................................................................ 45 i STUDY ON PLANNING OF WATER RESOURCES OF RAJASTHAN 7.2 Wildlife .............................................................................................................................. 47 7.2.1 Numbers ............................................................................................................. 47 7.2.2 Water Requirements ........................................................................................... 48 7.2.3 Projected Water Requirements ........................................................................... 55 8. INDUSTRIAL WATER DEMAND ..................................................................................................... 56 8.1 Introduction ........................................................................................................................ 56 8.2 Water Demand ................................................................................................................... 57 8.3 Future Projections of Water Demand for Industries .......................................................... 69 PART C – Water Supply and Demand Balance 1. INTRODUCTION ............................................................................................................................. 71 2. APPROACH .................................................................................................................................... 71 3. METHODOLOGY ............................................................................................................................ 72 3.1 Planning Stages and Dependability Levels ........................................................................ 73 3.2 Time-step ........................................................................................................................... 73 3.3 Initial Conditions ............................................................................................................... 73 3.4 Topology ............................................................................................................................ 74 3.4.1 Water Demand Nodes ......................................................................................... 74 3.4.2 Water Resources Nodes ...................................................................................... 74 3.4.3 Supply System .................................................................................................... 75 3.5 Parameters and Constraints ................................................................................................ 76 3.5.1 Water Demand Nodes ......................................................................................... 76 3.5.2 Water Resource Nodes ....................................................................................... 77 3.5.3 Supply System .................................................................................................... 80 4. DATA INPUT ................................................................................................................................. 80 5. RESULTS ....................................................................................................................................... 81 5.1 Ajmer ................................................................................................................................. 84 5.2 Alwar ................................................................................................................................. 88 5.3 Banswara ...........................................................................................................................