SFG1698 V2 REV ESIA: “Enhancing the ability of adaptation and water management for the upper part of Bassac River in An Phu district AG province” Public Disclosure Authorized MINISTRY OF AGRICULTURE AND RURAL DEVELOPMENT (MARD) CENTRAL OFFICE FOR WATER RESOURCES PROJECTS (CPO) Public Disclosure Authorized PROJECT: PROPOSED MEKONG DELTA INTEGRATED CLIMATE RESILIENCE AND SUSTAINABLE LIVELIHOODS PROJECT (MD-ICRSL) ENVIRONMENTAL AND SOCIAL IMPACT ASSESSMENT (ESIA) SUBPROJECT “ENHANCING THE ABILITY OF ADAPTATION AND WATER MANAGEMENT FOR THE UPPER PART OF BASSAC RIVER IN AN PHU DISTRICT AN GIANG PROVINCE Public Disclosure Authorized (Final) Public Disclosure Authorized March 2016 i ESIA: “Enhancing the ability of adaptation and water management for the upper part of Bassac River in An Phu district AG province” TABLE OF CONTENTS PREFACE 11 1. PROJECT BACKGROUND ................................................................................................... 11 1.1. Summary on the background and necessity of the subproject ................................ 11 1.2. The relationship between subproject and other subprojects, development plans appraised and approved by the administrative competent authorities .......................... 14 1.3. Subproject location in Component 2 of MDICRSL Project .................................... 15 2. NATIONAL LAWS AND REGULATIONS AND WB SAFEGUARD POLICIES ........... 16 2.1. Relevant National Laws and Regulations................................................................... 16 2.2. The documents and data of the sub-project owner to be used in the process of environmental impact assessment ...................................................................................... 19 2.3. Applicable WB Safeguard Policies.............................................................................. 19 3. ORGANIZATION OF ENVIRONMENTAL IMPACT ASSESSMENT ............................ 20 4. ENVIRONMENTAL IMPACT ASSESSMENT METHODOLOGIES AND APPROACHES 21 4.1. Methods of ESIA........................................................................................................... 22 4.2. Other Methods .............................................................................................................. 23 CHAPTER 1. BRIEF SUBPROJECT DESCRIPTION .............................................................. 24 1.1. SUBPROJECT NAME ................................................................................................ 24 1.2. SUBPROJECT OWNER ............................................................................................. 24 1.3. SUBPROJECT GEOGRAPHICAL LOCATION..................................................... 24 1.4. SUBPROJECT COMPONENTS ................................................................................ 26 1.4.1. Subroject’s objectives....................................................................................... 26 1.4.2. Quantity and scale of the subproject’s work items ....................................... 26 1.4.2.1. Component 1: Construction of Dykes and Culverts ............................................................ 26 1.4.2.2. Component 2: Development of livelihoods models for local people ................................... 33 1.4.2.3. Ancilary Facilities ................................................................................................................... 38 1.4.2.4. Technical Assistance ............................................................................................................... 39 1.4.3. Land acquisition and resettlement of the subproject ...................................... 39 1.4.4. Construction method, technology for the subproject items ............................ 39 1.4.4.1. Construction of dike sections ................................................................................................. 39 1.4.4.2. Installation of water supply and drainage culverts ............................................................. 40 1.4.5. List of planned machinery and equipment ....................................................... 40 1.4.6. Subproject schedule ............................................................................................ 41 1.4.7. Investment............................................................................................................ 41 1.4.8. Subproject management and implementation ................................................. 41 1.4.8.1. Subproject management and implementation ..................................................................... 41 1.4.8.2. Role of contractors ................................................................................................................. 41 1.4.8.3. Role of the Advisor ................................................................................................................. 41 1.4.8.4. Role of organizations and other project implementation stakeholders ............................. 42 1.4.8.5. Role of donor and co-donors.................................................................................................. 42 1.4.8.6. Role of enterprises in the development of livelihood models .............................................. 42 1.4.8.7. Role of local agricultural, fisheries extension agency .......................................................... 42 1.4.9. Summary of the key information of the subproject ......................................... 42 CHAPTER 2. SOCIOECONOMIC & ENVIRONMENTAL CONDITIONS IN THE SUBPROJECT AREA ........................................................................................................................ 43 2.1. NATURAL ENVIRONMENTAL CONDITION ...................................................... 44 2.1.1. Geographical and geological condition ............................................................. 44 2.1.2. Topographical characteristics ............................................................................ 44 2.1.3. Climate, meteorological condition ..................................................................... 45 2.1.3.1. Temperature ........................................................................................................................... 45 2.1.3.2. Rainfall .................................................................................................................................... 46 2.1.3.3. Humidity ................................................................................................................................. 46 ii ESIA: “Enhancing the ability of adaptation and water management for the upper part of Bassac River in An Phu district AG province” 2.1.4. Hydrological condition ....................................................................................... 47 2.1.4.1. Hydrological features of the subproject area in the dry season ......................................... 47 Hydrological features of the subproject area in the flood season ....................................... 48 2.1.4.3. The flood situation in the region ........................................................................................... 49 2.1.5. River systems and canals in the project area ................................................... 50 2.1.6. Current situation of environmental quality in subproject area ..................... 51 2.1.6.1. Air Quality .............................................................................................................................. 51 2.1.6.2. Soil and Sediment Quality .................................................................................................... 52 2.1.6.3. Water Quality ......................................................................................................................... 56 2.1.7. Current status of the biological resources ........................................................ 62 2.1.7.1. Terrestrial Biodiversity .......................................................................................................... 62 2.1.7.2. The aquatic status ................................................................................................................... 63 2.1.7.3. Biodiversity around subproject area .................................................................................... 65 2.2. SOCIOECONOMIC CONDITION ............................................................................ 67 2.2.1. Economic condition ............................................................................................. 67 2.2.2. Current livelihood models .................................................................................. 70 2.2.2.1. Double rice cropping .............................................................................................................. 70 2.2.2.2. Triple Rice Cropping ............................................................................................................. 71 2.2.2.3. Floating Rice ........................................................................................................................... 72 2.2.2.4. Giant Freshwater shrimp ....................................................................................................... 72 2.2.3. Social condition ................................................................................................... 73 2.2.4. Technical infrastructure for agricultural production ..................................... 74 2.3. AFFECTED BY CLIMATE CHANGE AND SEA LEVEL RISE .........................