CONTENTS 1 NTRODUCTION 1 1.1 Background 1 1.2 Need of the Study 1 1.3 Scope of Study 2 1.4 Aim 2 1.5 Objectives 2 1.6 Analytical Framework 2 1.7 Chapterization 4 2 LITERATURE REVIEW 5 2.1 Water Quality 5 2.1.1 Uses affecting the Water Quality 5 2.1.2 Uses affected by Water Quality 5 2.1.3 Uses not linked to water quality 5 2.2 Important Water Quality Parameters 5 2.2.1 CPCB Water quality Criteria 8 2.3 Water Quality Index 9 2.3.1 Definition 9 2.3.2 History of the WQI 10 2.3.3 Water Quality Index Methods 11 2.4 Different Cases of WQI Method 14 2.4.1 CCME WQI method - Case 1 14 2.4.2 CCME WQI method - Case 2 15 2.4.3 NSF WQI method - Case 1 16 2.4.4 NSF WQI method - Case2 17 2.4.5 NSF WQI method - Case 3 19 2.4.6 Bhargawa WQI method - Case 1 19 2.4.7 Key Findings 20 2.5 Measures to control River pollution in India 21 2.5.1 Legislation and its enforcement 21 2.5.2 Distinguish Feature of the Acts 21 3 REGIONAL SETTING OF THE STUDY AREA 24 3.1 Location of the Study Area 24 3.2 Sabarmati River Basin 24 3.3 Sabarmati River System 24 3.4 Climate 25 3.5 Soil 25 3.6 Natural Drain 25 3.7 Physical Profile of the River 26 3.7.1 Course of the River in the City 26 3.7.2 Villages Downstream 27 3.7.3 Physical Status of the Sabarmati River 27 3.7.4 Land Use along the River 30 3.7.5 Industries along the River 30 4 SABARMATI RIVERFRONT PROJECT 31 4.1 Introduction to the Project 31 4.2 Physical Features of the River 31 4.3 Land Reclamation and Embankments 33 4.4 Land Use and Road Network 34 4.5 Infrastructure Services 36 4.6 Resettlement and Rehabilitation 36 4.7 Project Costs and Revenue Potential 36 4.8 Organizational Setup 37 4.9 Research Studies Conducted 37 4.9.1 Hydrology Study 37 4.9.2 Environmental Impact Assessment 38 4.9.3 Socio Economic Study 38 4.9.4 Financial Feasibility 38 5 DEVELOPMENT OF WATER QUALITY INDEX 39 5.1 Water Quality Sampling Locations 39 5.2 Water Quality of Sabarmati River 40 5.2.1 Temporal Analysis of Water Quality 40 5.2.2 Spatial Analysis of water quality 42 5.2.3 Water quality at downstream villages 43 5.3 Selection of Water Quality Parameters for Development of WQI 44 5.4 Methodology for Development of WQI 45 5.4.1 Weightage of Parameters 46 5.4.2 Development of WQI Curves 47 5.5 Calculations of WQI 52 5.6 Use of WQI for Zoning of River Water Quality 53 5.6.1 WQ classification 53 5.6.2 Classification and zoning of WQ 54 5.7 Conclusions 56 6 INSTITUTIONAL SETUP & RECOMMENDATIONS 58 6.1 Preventive Actions and Public Awareness 58 6.2 Corrective Actions 59 6.3 Monitoring and Enforcement 59