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Scanned by Scan2net Fll.(B) TD201.P8 P45n.118 1983 REPUBLIC OF THE PHILIPPINES NATIONAL WATER RESOURCES COUNCIL 8th FLOOR, NIA BLOG .. E. DELOS SANTOS AVENUE, 0. C. JESUS S. HIPOLITO, Chairman Minister Ministry of Public Works and Highways MADAME I MELDA ROMUALDEZ-MARCOS TEODORO 0. PENA Minister Minister Human Settlements Ministry of Natural Resources ARTURO R. TANCO, JR. VICENTE VALDEPENAS Minister Minister Ministry of Agriculture National Economic and Development Authority GERONIMO Z. VELASCO ABER P. CANLAS Minister General Manager Ministry of Energy Metropolitan Waterworks and Sewerage System GABRIEL P. ITCHON CESAR L. TECH President Administrator National Power Corporation National Irrigation Administration FILE NO. sn, _rJ _,J~,f 4 SCANNED BY------ ANGEL A. ALEJANDRINO Executive Director Q.A BY------- ANA~BY------­ EXTRACTED BY ----­ UPLOADED BY----- The National Water Resources Council (NWRC) is the body responsible for coordinating and integrating all activities related to water resources deve­ lopment and management. Its principal objective is to achieve a scientific and orderly development and management of all the water resources of the country consistent with the principles of optimum utilization, conservation and protect­ tion to meet present and future needs. ~(,.flf!C Lll:Ailll'luM:iih~ ~.:,L• !;'. .•,'. •.• 11' l!(ii, ~thvl0:3 DIVISIOil ICOlf;l'lc;' P~Ql'IOtlQ" M'l.Sflf.!ltH SOUTHERN MINDANAO PHl/77/S03 - UNITED NATIONS DEVELOPMENT PROGRAMME ASSISTANCE TO THE NATIONAL WATER RESOURCES COUNCIL f1 ., (.S,' l i ' ;'· j i ' ' ' .' 'i ': !. ' . ;' ' i ' ' ' t I ; l--J l I/lll/ll///lll /////l///ll///l//l ll/1 //ll////ll///lll ///// lll//ll/ - ST!-J 0-8638 REPUBLIC OF THE PHILIPPINES NATIONAL WATER RESOURCES COUNCIL REPORT NO. 24-11 B OECEMBER 1963 ... in cooperation with the REWARDS/MPW and NEDA S_CIENCE AND TECHNO · 0 · -~?GV TNFORMATION INSTITUf5 EPARrMENT O~ ::iC!l·.NCE AND TECHNOLOGY l r,, ""*"' .._,_, LIBRARY .... -a....:.... FOREWORD The development and utilization of the country's water resources has evolved over a long period in a setting of abundant natural resources and practically without the benefit of a broad planning framework considering available resource supply and existing regional needs. With fixed water resources to serve the changing growth patterns and the increased use of water among a rapidly expanding population, the past trend of development should now be re-oriented to a broader perspective, if we are to avoid long-run water problems in the future. Against this backdrop, the National Water Resources Council was created under Pres­ idential Decree 424 to carry out the policy of the government in encouraging the conserv­ ation, development and optimum utilization of water and related land resources on a comprehensive and coordinated basis in order to meet the present and future water needs of the country. In pursuing its task, the Council undertakes comprehensive river basin and regional framework studies which serve as guides to detailed planning of water resources develop­ ment by concerned line agencies and help determine a reasonable starting point together with the factors and linkages which will have to be considered to make reasonably correct and meaningful decisions. The framework plan on Tagum-Libuganon Basins forms a part of the council's effort to establish the water and related land resources relationship on a basinwide approach for the framework study of Water Resource Region XI. ANGEL A. ALE] ANDRINO Executive Director v TABLE OF CONTENTS PAGE FOREWORD .............................. v LIST OF TABLES .......................... xiii LIST OF FIGURES............. ........................ xv CHAPTER I - SUMMARY ANO RECOMMENDATIONS ..................... 1 A. General Characteristics . 1 B. Framework for Development . 3 B.1 Water Resources.......................................... 3 B.2 Land Resources........................................... 4 B.3 Socio-Economic Aspects.................................... 4 B.4 Environmental Considerations. 5 C. Sectoral Recommendations . 5 C.1 Water Supply and Sewerage. 5 C.2 Irrigation..... 6 C.3 Flood Control.. 6 C.4 Land Use Management . 6 C.5 Power . 7 C.6 Fisheries . .. 7 C.7 Transportation . 7 CHAPTER II - INTRODUCTION'. .............................. ·· .. ····· 9 A. Background ....... 9 B. Objective of the Study 9 c. Scope of the Study .. 9 CHAPTER Ill -OBJECTIVES OF DEVELOPMENT.......................... 11 A. Regional Development Objectives and Strategies. 11 B. Development Objectives of the Basin . 11 CHAPTER IV - AREA PROFILE........................................ 13 A. Location and Description . 13 B. Archaeological, Historical and Cultural Characteristics................. 13 C. Settlement System . 13 D. Climate..................................................... 13 D.1 Climate Type............................................. 13 D.2 Temperature and Humidity.................................. 17 vii CHAPTER V -WATER AND RELATED LAND RESOURCES .......... ···.:·· 19 A. Water Resources ........................... · · · · · · · · · · · · · · · · · · · 19 A.1 Rainfall ............................... · · · · · · · · · · · · · · · · · · 19 A.2 Surface Run-off ......................... · . · · · · · · · · · · · · · · · · 20 A.2.1 Data Availability ........................... · . · · · . 20 A.2.2 Surface Water Availability. 21 A.2.3 Dependability Analysis....... 21 A.2.4 Flood and Minimum Flow Frequency Analysis........... 21 A.2.5 Flood Control . 23 A.3 Groundwater ...................................... ······· 23 A.3.1 Data Availability.................................. 23 A.3.2 Groundwater Assessment . 36 A.4 Sedimentation and Water Quality............................. 36 A.5 Evapotranspiration . 36 B. Land.. Resources. 39 B.1 Topography and Drainage................................... 39 B.2 Slope Complex .................................... ·. · · ·.. 40 B.3 Geology................................................. 43 B.4 Soils and Capabilities. 45 B.4.1 Soil Classification . 45 B.4.2 Land Capability................................... 46 B.5 Soil Erosion Susceptibility . 47 B.6 Existing Land Use.................... 47 B.6.1 Special Land Use ................................. 48 B.6.1.1 National Parks/ Archaeological/ Recreational Sites. 48 B.6.1.2: Forest Reserves .............................. _ 48 B .6.2 Proposed Land Use . 48 CHAPTER VI PRESENT AND FUTURE DEVELOPMENT AND RESOURCE NEEDS .................................. 57 A. Social Environment ............................................ 57 A.1 Demographic Characteristics. 57 A.1.1 Population. 57 viii A.1.2 Population Density . 57 A.1.3 Urban-Rural Population Structure........................ 57 A.1.4 Age-Sex Structure, Dependency Ratio . 58 A.1.5 Household/Family Size................................ 58 A.1.6 Demographic Projections. 58 A.2 Income . 58 A.2.1 Income Levels....................................... 58 A.2.2 Per Capita Income.................................... 59 A.2.3 Income Profiles...................................... 60 A.2.4 Farm Income.. 60 A.3 Labor Force and Employment Structure........................ 60 A.3.1 Labor Force........................................ 60 A.3.2 Employment........ 61 A.3.3 Employment Projections............................... 62 A.4 Domestic and Municipal Water Use............................ 62 A.5 Water Supply Facilities Sources. 62 A.5.1 Water Supply Infrastructure . 63 A.6 Sewerage and Waste Disposal................................. 64 B. Economic Sectors............................................. 65 B.1 General Economic Structure. 65 B.1.1 Gross Domestic Product and Employment . 65 B.1.2 Sectoral Highlights . 67 B.1.2.1 Agriculture, Fishery, and Forestry . 67 B.1.2.2 Industry . 67 B.1.2.3 Services. 69 B.2 Agriculture . 70 B.2.1 General . 70 B.2.2 Agricultural Area Distribution........................... 70 B.2.3 Farm Features. 70 B.2.4 Land Ownership and Distribution........................ 70 B.2.5 Cropland Distribution................................. 71 B.2.6 Production . 71 B.2.6.1 Temporary Crops . 71 ix Palay ....... · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 73 Corn ........ · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 75 Sugarcane ........................ · · · · · · · · · · · 76 Tobacco .............. · · · · · · · · · · · · · · · · · · · · · · 77 Vegetables ................. · · · · · · · · · · · · · · · · · · 77 Rootcrops ................ · · . · · · · · · · · · · · · · · · · 77 B.2.6.2 Permanent Crops ................... ··········· 78 Coconut .................. · .. · · · · · · · · · · · · · · · 78 Fruits ............................ · · · · · · · · · · 78 Coffee ........................... ··········· 78 Abaca .................. · · · · · · · · · · · · · · · · · · · · 78 B.2.7 Irrigation ......................... · · · · · · · · · · · · · · · · · · 79 B.2.8 Livestock and Poultry .......................... ·.····· 80 B.2.8.1 Population .................................. 80 B.2.8.2 Demand .................................... 80 B.2.9 Agricultural Water Requirement ........................ 81 B.3. Fisheries ............................................... 82 B.4 Industry ........................................... · ... · 82 B.4.1 Mining............................................. 83 B.4.2 Manufacturing. 83 B.4.3 Construction and Electricity............................ 86 B.4.4 Industrial Water Requirement........................... 86 B.5 Transportation . 87 B.5.1 Highways and Road Transport . 87 B.5.2 Water Transport . 88 B.5.3 Air Transport . 89 B.6 Power . 90 B.6.1 Power Generation and Consumption . 90 B.6.2 Power Generating Facilities . 91 CHAPTER VII - WATER RESOURCE DEVELOPMENT FRAMEWORK . 97 A. Sectoral Indicators of Development . 97 A.1 Water Resources . 97 x A.1.1 Water Requirements . 97 A.1.2 Water Availability . 97 A.2 Land Resources. 99 A.3 Agricultural Self-Sufficiency . 99 A.4 Social Indicators.......................................... 100 A.4.1 Health............................................ 100 A.4.2 Education . 102 A.4.3 Income . ..
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