DEPARTMENT of WATER LOWLANDS WATER Public Disclosure Authorized Public Disclosure Authorized Public Disclosure Authorized
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ZJ .:r '~~~~~<;;$~!~;:;: 3,y,.> Public Disclosure Authorized GOVERNM ENT OF DEPARTMENT OF WATER LOWLANDS WATER Public Disclosure Authorized Public Disclosure Authorized Public Disclosure Authorized if rica Metolong Dam Environmental and Social Impact Assessment Volume 1 .Main Report Final Report Table of Contents AbbreviationsIDefinitions Acknowledgements Executive Summary in EnglishISesotho (Separate Volume) 1 Introduction .............................................................................................. 1 1.1 Project Background ...................................................................................................1 1.2 Previous Studies .......................................................................................................1 1 .2.1 Environmental Impacts Identified in the Feasibility Study ........................ 2 1.2.1 .1 Public Health .............................................................................2 1. 2.1 .2 Socio-Economic Conditions ......................................................3 1.2.1.3 Water Resources ....................................................................... 4 1.2.1 .4 Archaeology .............................................................................. 4 1. 3 Scope and Objectives of ESlA .................................................................................. 4 1.4 Consultant Resourcing and Terms of Reference...................................................... 4 2 Policy. Legal and Administrative Framework ........................................ 6 2.1 Lesotho ..................................................................................................................... 6 2.1.1 Constitution of Lesotho .............................................................................6 2.1 .2 Environment.............................................................................................. 6 2.1.3 Land and Land Acquisition .......................................................................7 2.1 .3.1 Land Act, 1979 ..........................................................................7 2.1.3.2 WSlP Policy Framework Land Acqu isition and Compensation . 8 2.1 .3.3 Compensation Practices on the LHWP .....................................8 2.1.4 Water ........................................................................................................9 2.1 .5 Air ..............................................................................................................9 2.1 .6 Public Health............................................................................................. 9 2.1.7 Natural and Cultural Heritage ...................................................................9 2.1 .8 Other ....................................................................................................... 10 2.1 .9 Local ...................................................................................................... 10 2.2 Institutional Capacity of lmplementir~gAgency ....................................................... 10 2.3 Private Sector Capacity ........................................................................................... 11 2.4 World Bank .............................................................................................................. 11 2.5 International Agreements ........................................................................................ 14 3 Project Description ................................................................................16 Melolong Dam ESlA Final February 20M a%SMmon Assoaalfon w~mFM Assocfates ilesotho) and SaulPem Waters !South Alnca~ 3 . 1 Overview ............................................................................................................ 16 3.2 Location and Justification........................................................................................ 16 3.3 Description of Proposed Works ..............................................................................16 3.3.1 Dam ........................................................................................................ 16 3.3.2 Water Supply Transmission.................................................................... 17 3.3.3 Pumping Stations.................................................................................... 19 3.3.4 Treatment Plant ...................................................................................... 19 3.4 Ancillary Facilities and Services.............................................................................. 19 3.4.1 Quarry Site ..............................................................................................19 3.4.2 Water Supply ..........................................................................................20 3.4.3 Power Supply ........................................................................................ 20 3.5 Operation and Maintenance.................................................................................... 20 3.6 Area of Impact .........................................................................................................20 3.7 Projectlmplementation ...........................................................................................21 3.8 Project Cost .............................................................................................................21 4 Methodology ........................................................................................... 22 4 . 1 Scoping ...................................................................................................................22 4.2 Source of Information and Data Analysis ................................................................23 4.3 Physical Environment.............................................................................................. 23 4.3.1 Water Quality ..........................................................................................23 4.3.1 .1 Adequacy of sampling Sites .................................................... 24 4.3.2 lnstream Flow Requirements.................................................................. 24 4.3.2.1 Choice of DRIFT Method and its Limitations ........................... 25 4.3.2.2 Overview of the Drift Method ...................................................26 4.3.2.3 IFR Tasks ................................................................................. 27 4.3.2.4 Hydrology Data and its Limitations.......................................... 28 4.4 Biological Environment ............................................................................................29 4.4.1 Terrestrial................................................................................................ 29 4.4.2 Aquatic ....................................................................................................30 4.4.2.1 Sampling.................................................................................. 30 4.4.2.2 Habitat cover ratings ................................................................30 4.4.2.3 Fish Assemblages Integrity Index ...........................................31 4.4.2.4 Assessment of Impact Significance......................................... 33 4.5 Social Aspects .........................................................................................................33 4.5.1 Consultations with Interested and Affected Parties ................................33 4.5.2 Census of Households in Broader Reservoir Area .................................34 4.5.3 Socio-Economic Survey ......................................................................... 34 4.5.4 Recording of Assets ................................................................................35 4.5.5 Survey of Movement across the Phuthiatsana River .............................35 4.5.6 Mapping and Database of Affected Persons and Assets .......................36 4.5.7 Review of Secondary Data .....................................................................36 4.6 Health ......................................................................................................................36 4.7 Cultural Heritage ..................................................................................................... 36 .................. ....... .... ......... ..... Melolong 3am ESlA Final February 2008 i I @!&SMEC 3" Assoc~al~onw~!h FM Assouales lLesotnoi and Soulnern Waters iSoutn Alilcai 4.8 Consultation and Public Disclosure ............................. ... .................................. 38 4.8.1 Objectives of Public Consultation and Information Dissemination ......... 38 4.8.2 Previous Public Consultation and Disclosure ......................................... 38 4.8.3 Stakeholders ........................................................................................... 39 4.8.4 Consultation Activities for Preparation of ESIA and Resettlement Plan . 40 4.9 Bounding .................................................................................................................42 5 Description of the Environment ............................................................43 5.1 Physical Environment ..............................................................................................43 5.1.1 Topography and Geology .......................................................................43