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Table 4.5 Correlation of Lithology With Hydraulic Conductivity and Specific Yield (MMP/HTS, 1982; Davies and Herbert, 1990) Lithology Clay Silt Very fine sand Fine sand Fine-medium sand Medium-fine sand Medium sand Medium-coarse sand Coarse-medium sand Coarse sand Gravel (clayey) Source: BGS-DPHE (2001) Characteristic Hydraulic Conductivity (m d - 1 ) A-24 Characteristic Specific Yield (%) Terraces Floodplains Terraces Floodplains - - 8 13 17 21 25 34 38 46 25 - 0.4 - 12 26 43 57 61 63 95 40 Table 4.6 Region-Wise Abstract of Aquifer Test Analysis Results Conducted by BWDB Transmissivity (T) m 2 Sl. no. Regions Storativity (S) Permeability (K) /day m/day max. min. max. min. max min. 1 2 3 4 5 6 7 8 01 North-Eastern 3000 200 0.10 0.002 90 3 02 North-Western 4000 300 0.23 0.003 114 12 03 South-Western 3200 900 0.15 0.01 65 11 04 South-Eastern 1900 140 0.07 0.0007 23 5 Source: BWDB Table 4.7 District-wise Aquifer Test Analysis Results Conducted by BWDB Transmissivity (T) m 2 Sl. Administrative District Storativity (S) Permeability (K) no. /day m/day max. min. max. min. max min. 1 2 3 4 5 6 7 8 01 Thakurgaon 1300 1900 0.095 0.12 23 40 02 Dinajpur 850 2500 0.01 0.15 17 48 03 Kurigram 1032.4 2000 0.08 0.143 20 37 04 Rangpur 259.76 2500 0.021 0.226 24 113 05 Gaibanda 884.27 3300 0.037 0.20 66 102 06 Lalmonirhat 499.96 1479.63 0.02 0.633 27 51 07 Nilphamari 500 1300 0.08 0.13 12 20 08 Rajshahi 418 2399 0.0003 0.10 14 40 09 Naogaon 405 2000 0.0001 0.40 20 64 10 Natore 1200 2500 0.004 0.06 25 56 11 Ch. Nawabganj 223 2458 0.0002 0.20 12 100 12 Bogra 600 3000 0.01 0.09 35 75 13 Joypurhat 900 2360 0.003 0.08 40 64 14 Pabna 1200 4000 0.04 0.10 26 82 15 Sirajganj 1233.48 3500 0.02 0.10 33 114 16 Jessore 161.15 2300 0.0041 0.07 24 31 17 Jhenaidah 485.95 2500 0.0025 0.198 14 50 18 Magura 1000 2400 0.01 0.10 18 32 PDF created with FinePrint pdfFactory trial version http://www.fineprint.com 0.5 4 - 8 - - 20 - - 25 30 3 5 - 16 - - 20 - - 25 30
19 Kushtia 709.85 2500 0.0072 0.252 15 35 20 Meherpur 1900 3200 0.02 0.10 27 43 21 Chuadanga 1200 2900 0.02 0.07 28 65 22 Faridpur 900 2300 0.01 0.15 11 36 23 Rajbari 900 2200 0.03 0.10 16 29 24 Gopalganj 1300 1555.28 0.0007 0.08 17 - 25 Satkhira 1000 1300 0.01 0.04 22 40 26 Dhaka 155 1700 0.02 0.04 6 15 27 Gazipur 316 1100 0.03 0.05 12 20 28 Manikganj 700 1897.73 0.01 0.10 14 30 29 Narshingdi 300 1000 0.01 0.06 7 25 30 Narayanganj 250 300 0.01 0.04 10 50 31 Munshiganj 500 1055 0.02 0.02 18 25 32 Tangail 1100 3100 0.03 0.10 10 50 33 Mymensingh 400 1500 0.01 0.05 9 23 34 Sherpur 1300 1500 0.05 0.09 31 32 35 Kishoreganj 201.63 2500 0.02 0.02 10 17 36 Netrokona 500 900 0.01 0.04 8 16 37 Jamalpur 800 3000 0.01 0.10 9 90 38 Sylhet 163 1377.6 0.0013 0.03 7 26 39 Sunamganj 224 750 0.002 0.03 3 22 40 Moulavibazar 200 - - 0.02 - - 41 Habiganj 200 518.07 0.0202 0.04 3 - 42 Comilla 80 1900 0.001 0.07 5 21 43 Brahmanbaria 450 780 0.001 0.05 8 23 44 Chandpur 278.13 1200 0.01 0.07 7 15 45 Noakhali 820 - 0.002 - 10 - 46 Feni 292.71 1070 0.003 - 13 - 47 Chittagong 114 600 0.0007 0.03 3 10 48 Cox’s Bazar - 700 0.002 - 6 - 49 Panchagarh 318.4 554.78 0.011 0.014 - - 50 Madaripur 675.07 1105.65 0.0016 0.0022 - - 51 Narail 214.86 416.39 0.0201 0.466 - - 52 Bagerhat 233.81 447.63 0.033 - - - Source: BWDB Table 4.8 Aquifer Test Results of Coastal Area Conducted by DANIDA Location Transmissivity m 2 /day Storativity 1 2 3 Eklaspur, Noakhali 400-4500 0.0006-0.004 Raipur, Laksmipur 2600 0.0004 Patuakhali sadar, Patuakhali 635-1500 1.2 X 10 -4 – 2.3 X 10 -4 Amtali, Barguna, Patuakhali 975 0.00012 Kalapara, Patuakhali 760 0.0003 Galachipa, Patuakhali 1665 0.00057 Pathorghata, Barguna 304-1047 0.001-0.00085 Ramganj, Laksmipur 3050-6250 0.001-0.0004 A-25 PDF created with FinePrint pdfFactory trial version http://www.fineprint.com
Page 1 and 2: Government of the People’s Republ
Page 3 and 4: Presentation of the Report Abbrevia
Page 5 and 6: A-44 ANNEX I MINISTRY OF LOCAL GOVE
Page 7 and 8: PDF created with FinePrint pdfFacto
Page 21 and 22: CONTENTS INTRODUCTION 1 GEOMORPHOLO
Page 23 and 24: The Flood plain and the Bengal Delt
Page 25 and 26: composed of alternating beds of san
Page 27 and 28: Lalmai Hills area is considered as
Page 29 and 30: C E N O Z O I T E R T I A R Y N E O
Page 31 and 32: Upzilas Partially Covered by Safe A
Page 33 and 34: A-15 Annex- 6 Upzilas Completely an
Page 35 and 36: Fig 2. Map showing the area of arse
Page 37 and 38: Table 4.2 Aquifer Types and Charact
Page 39 and 40: 1 2 3 4 5 Unit-21: Madhupur Transit
Page 41: Table 4.3 The Main Aquifers in Bang
Page 45 and 46: Table 4.11 Estimates of Flow and Ti
Page 47 and 48: Table 4.16 Approximate Wet Season R
Page 49 and 50: Table 5.3 Summary of Pre-Existing L
Page 51 and 52: Table 5.5 Arsenic Results of Repres
Page 53 and 54: Table 5.16 Arsenic Statistics for t
Page 55 and 56: Sl # DIVISION DISTRICT UPAZILA As C
Page 57 and 58: Sl # DIVISION DISTRICT UPAZILA As C
Page 59 and 60: Geological Survey of Bangladesh\ Ge
Page 61 and 62: Upazila: Akhaura, Brahmanbaria Sada
Page 63 and 64: Dumuria Upazila, Khulna District #
Page 65 and 66: information to write such a report.
Page 67 and 68: 2.1 Introduction CHAPTER II Physiog
Page 69 and 70: Fig. 2.2 Physiographic Map of Bangl
Page 71 and 72: 2.3.3 The Pleistocene Uplands cover
Page 73 and 74: winter when the volume of water pas
Page 75 and 76: country. The central part represent
Page 77 and 78: Fig. 3.2b. Schematic Crustal Cross
Page 79 and 80: 3.1.6 During the Pleistocene and Ho
Page 81 and 82: Fig. 3.5 Lithologic Column Showing
Page 83 and 84: microfossils have been assigned Upp
Page 85 and 86: 3.4 late Pleistocene-Holocene in Be
Page 87 and 88: marine and fresh water peat. After
Page 89 and 90: Organic matter from the uppermost p
Page 91 and 92: 3.4.4 Proposed Divisions of the lat
Page 93 and 94:
3.4.4.4 Late Pleistocene -Early Hol
Page 95 and 96:
4.1 Introduction CHAPTER IV Aquifer
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Fig. 4.1 Groundwater Development Zo
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Fig. 4.3 Revised Hydro-geological M
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Quaternary. Due to neo-tectonic act
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4.7.2 The sediment from the surface
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4.10 Recharge of the aquifers 4.10.
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4.10.5 The regional hydraulic gradi
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Fig. 4.11 Geological Cross Section
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(centrifugal) pump. BADC defines th
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5.4.2 From 1993 different organizat
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5.4.6 NGO Forum and Grameen Bank ha
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These areas are as follows. 1. The
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5.6.3 BGS-DPHE (2001) shows that wa
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continually replenished with a resi
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5.7.2 Some test results of ground s
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CHAPTER VI CONCLUSIONS ♦ Arsenic
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The JICA report mentions that, "The
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working on ground water under one u
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sections of the sediments of the de
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♦ Soil arsenic analyses in the ar
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Bhattacharya, A. and Banerjee S.N,
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Ministry of Women and Children Affa
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Aquifer Systems of Bangladesh 4.1 I
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Fig. 4.3 Revised Hydro-geological M
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Table. 5.4 Summary of Regional Arse
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As Arsenic List of Abbreviations Us
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EXECUTIVE SUMMARY 1. Ministry of Lo
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9. The exact number of hand pumps u
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areas ground water can still play a
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