ENVIRONMENTAL IMPACT ASSESSMENT & MANAGEMENT REPORT Sri Balaji Reservoir Submitted to: Consultants : H.no. 2-2-647/235/A/2 TGP Division, Srinivasnagar Colony Water Resource Department, Bagh Amberpet Hyderabad- 500013 Government of AndhraPradesh EIA Report – Sri Balaji Reservoir CONTENTS CHAPTER I ........................................................................................................... 4 INTRODUCTION AND SCOPE OF WORK .................................................................... 4 1.1 Background .............................................................................................. 4 1.2 Project Description .................................................................................... 4 1.3 Objective ................................................................................................. 5 1.4 Study area ............................................................................................... 5 1.5 Present Proposal & Components .................................................................. 7 1.6 Scope Of The EIA Study ............................................................................. 7 1.7 Stages In An EIA Study ............................................................................. 8 1.8 Project Cost ............................................................................................. 8 1.9 Project Justification ................................................................................... 9 1.10 Status of the Regulatory Clearances ......................................................... 9 10.9.1 Clearance under process ........................................................................... 9 CHAPTER II ........................................................................................................ 10 PROJECT DESCRIPTION ....................................................................................... 10 2.1 Project Description .................................................................................. 10 2.2 Alternative Studies .................................................................................. 12 2.3 Salient Features ...................................................................................... 12 2.4 Land Requirement ................................................................................... 13 2.5 Project Cost & Benefits ............................................................................. 13 CHAPTER III ....................................................................................................... 14 ENVIRONMENTAL BASELINE DATA ........................................................................ 14 3.1 Overview ............................................................................................... 14 3.2 Study Area ............................................................................................. 14 3.3 Baseline Data Generation ........................................................................ 16 3.4 Project Area ........................................................................................... 17 3.5 Regional Setting ..................................................................................... 17 3.6 Connectivity ........................................................................................... 18 3.7 Physical Characteristics ............................................................................ 18 3.8 Geology of the Dam Site: ......................................................................... 18 3.9 Hydrogeology ......................................................................................... 18 3.10 Topography ......................................................................................... 19 3.11 Climate ............................................................................................... 19 3.12 Rainfall ............................................................................................... 20 3.13 Hydrology ........................................................................................... 20 3.14 Physical Environment ........................................................................... 22 3.14.1 Soil Quality Assessment ................................................................ 22 3.14.2 Air Quality Assessment ................................................................. 23 1 EIA Report – Sri Balaji Reservoir 3.14.3 Water Quality Assessment ............................................................. 24 3.15 Biological Environment ......................................................................... 26 3.15.1 Flora and Fauna – Seshachalam RF ................................................ 26 3.15.2 Flora and Fauna – Project area ...................................................... 27 CHAPTER IV ....................................................................................................... 31 ENVIRONMENTAL ASSESSMENT ............................................................................ 31 4.1 Introduction ............................................................................................... 31 4.2 Regulatory Framework- Environment ............................................................ 31 4.3 Government Law and Policies ....................................................................... 33 4.4 Permissions required .................................................................................. 35 4.5 Anticipated Environmental Impacts & Mitigation Measures ............................... 35 4.6 Ambient Air Quality .................................................................................... 35 4.7 Ambient Noise Level ................................................................................... 36 4.8 Water Environment ..................................................................................... 36 4.9 Biological Environment ................................................................................ 37 4.10 Impact environmental sensitive areas: ........................................................ 37 4.11 Evaluation Impacts ................................................................................... 38 CHAPTER V ......................................................................................................... 43 ENVIRONMENTAL MANAGEMENT PLAN ................................................................... 43 5.1 Environmental Management Plan .................................................................. 43 5.2 Safety during Construction .......................................................................... 48 CHAPTER-VI ....................................................................................................... 50 COMPENSATORY AFFORESTATION ......................................................................... 50 6.1 Introduction: ............................................................................................. 50 6.2 Approach ................................................................................................... 51 6.3 Seedling Requirements ............................................................................... 51 6.4 Nursery Development ................................................................................. 51 6.5 Casualty Replacement ................................................................................. 51 CHAPTER-VII ...................................................................................................... 52 DISASTER MANAGEMENT PLAN ............................................................................. 52 7.1 Disaster Management Plan .......................................................................... 52 7.2 Regulation of Dam ...................................................................................... 52 7.3 Flood Classification and Gauge Observation ................................................... 53 7.4 Flood Message & Flood Warning ................................................................... 54 7.5 Reserve Stock............................................................................................ 54 7.6 Emergency Response Organization ............................................................... 54 7.7 The Emergency Response System ................................................................ 54 7.8 Emergency Control Center ........................................................................... 54 7.10 Emergency Warning and Control System..................................................... 55 2 EIA Report – Sri Balaji Reservoir 7.11 Health and Medical Response System ......................................................... 55 CHAPTER VIII ..................................................................................................... 56 ENVIRONMENTAL MONITORING PLAN .................................................................... 56 8.1 Environmental Monitoring Plan ..................................................................... 56 8.2 Block Cost Estimates .................................................................................. 59 Annexure -1 ....................................................................................................... 60 Annexure-2 ........................................................................................................ 61 Annexure-3 .......................................................................................................