01Main Report
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Republic of the Union of Myanmar DATA COLLECTION SURVEY ON WATER RESOURCES POTENTIAL FOR THILAWA SPECIAL ECONOMIC ZONE AND ADJOINING AREAS FINAL REPORT (MAIN REPORT) SEPTEMBER 2014 JAPAN INTERNATIONAL COOPERATION AGENCY GE SANYU CONSULTANTS INC. JR 14-173 Bago River Myanmar Yangon Thanlyin Township TARGET AREA Zarmani-Inn Reservoir Thilawa Reservoir Ban Bwe Gon Reservoir Thilawa SEZ Kyauktan Township Location Map – Area around Thilawa SEZ- (1/2) I Location Map – Bago River Basin - (2/2) II Site Photographs (1) Landscape of the Thilawa SEZ Zarmani-inn reservoir (August 2012) (October 2012) Ban Bwe Gon reservoir La Gun Byin reservoir and intake facility (October 2012) (November 2012) Thilawa reservoir Alilne Nee reservoir and intake facility (October 2012) (January 2014) III Site Photographs (2) Field survey of VES Field survey of TDEM (Geophysical prospecting) (Geophysical prospecting) (October 2012) (November 2012) Existing shallow well in Thanlyin township Existing deep well in Thanlyin township (November 2012) (November 2012) Borehole drilling (D-2 site) Description of drill core (D-4 site) (February 2013) (February 2013) IV Site Photographs (3) Test well drilling (D-1 site) Geophysical logging of test well (D5 site) (December 2012) (January 2013) Pumping test of test well (D-3 site) Observation stations of groundwater level of test (June 2013) wells (D-3 site) (October 2013) Water quality test of groundwater Sampling of groundwater for isotope analysis (July 2013) (July 2013) V Site Photographs (4) Zaung Tu weir Khayan Sluice (February 2012) (January 2014) Automatic river water level gauging station at Existing river water level gauging station at Bago Tamabin (May 2014) river (October 2012) River water quality test along up-steam of Bago River discharge measurement by ADCP river (March 2013) (May 2014) VI CONTENTS CHAPTER 1 BACKGROUND AND OBJECTIVES OF THE STUDY 1-1 Background of the Study ..................................................................................................................... 1-1 1-2 Objectives of the Study ....................................................................................................................... 1-2 CHAPTER 2 BASIC DATA COLLECTION AND ANALYSIS 2-1 Basic Data of Nature, Society, Economy and Environmental & Social Considerations...................... 2-1 2-1-1 Target Area of the Study ............................................................................................................. 2-1 2-1-2 Nature ......................................................................................................................................... 2-2 2-1-3 Society ........................................................................................................................................ 2-3 2-1-4 Economy ..................................................................................................................................... 2-4 2-1-5 Environmental and Social Consideration .................................................................................... 2-6 2-2 Organization of the Administration and Legal Frame on the Water Utilization .................................. 2-8 2-2-1 Organization of the Administration on the Water Utilization ...................................................... 2-8 2-2-2 Policy .......................................................................................................................................... 2-9 2-2-3 Legal Frame ................................................................................................................................ 2-9 2-3 Outline of Topography and Geology ................................................................................................... 2-9 2-3-1 Topography ................................................................................................................................. 2-9 2-3-2 Geology .................................................................................................................................... 2-12 2-4 Socioeconomic Situation in the Project Area .................................................................................... 2-16 2-4-1 Area and Population ................................................................................................................. 2-16 2-4-2 Industry, Economy, Employment .............................................................................................. 2-19 2-5 Present Situation of the Water Utilization of the Survey Areas ......................................................... 2-22 2-5-1 Present Situation of the Agriculture in the Target Area ............................................................. 2-22 2-5-2 Present Situation of the Industry in the Target Area .................................................................. 2-24 2-5-3 Present Situation and Future image of the Domestic Use in the Target Area ............................ 2-25 2-6 Agriculture in the Project Area .......................................................................................................... 2-25 2-6-1 Agricultural Land Use .............................................................................................................. 2-25 2-6-2 Planted Area, Production and These Trend in Recent Years ..................................................... 2-26 2-6-3 Agricultural Tools and Machineries .......................................................................................... 2-31 2-7 Water Right and Organization of the Water Utilization ..................................................................... 2-31 2-7-1 Water Right ............................................................................................................................... 2-31 2-7-2 Water Users Association ........................................................................................................... 2-32 CHAPTER 3 SURVEY AND ANALYSIS OF GROUNDWATER 3-1. Outline........................................................................................................................................... 3-1 3-1-1 Purpose ................................................................................................................................. 3-1 3-1-2 Definition of Groundwater Development Potential .............................................................. 3-1 3-1-3 Topography........................................................................................................................... 3-2 3-1-4 Geology ................................................................................................................................ 3-3 3-2 Groundwater Survey ............................................................................................................................ 3-7 3-2-1 Outline ......................................................................................................................................... 3-7 3-2-2 Review of Existing Reports and Data .......................................................................................... 3-9 3-2-3 Well Inventory Survey ............................................................................................................... 3-20 3-2-4 Geophysical Survey ................................................................................................................... 3-49 VII 3-2-5 Core Boring .............................................................................................................................. 3-57 3-2-6 Test Well ................................................................................................................................... 3-73 3-2-7 Water Quality Survey of Existing Wells ................................................................................... 3-83 3-2-8 Water Quality Test of Test Well ................................................................................................ 3-93 3-2-9 Groundwater Level Monitoring .............................................................................................. 3-111 3-2-10 Seasonal Groundwater Level Measurement at Dug Wells ................................................... 3-121 3-2-11 Creation of Landcover Map ................................................................................................. 3-124 3-2-12 Outcrop Reconnaissance ...................................................................................................... 3-125 3-2-13 Pumping Test at Existing Wells ............................................................................................ 3-129 3-3 Comprehensive Analysis of Obtained Hydrogeological Data ......................................................... 3-134 3-3-1 Outline .................................................................................................................................... 3-134 3-3-2 Aquifer Distribution and Its Nature ........................................................................................ 3-136 3-3-3 Groundwater Use .................................................................................................................... 3-160 3-3-4 Water Quality .......................................................................................................................... 3-171 3-3-5 Groundwater Head and Movement ......................................................................................... 3-180 3-4 Groundwater Recharge