Database - United Nations in Bangladesh
Database - United Nations in Bangladesh
Database - United Nations in Bangladesh
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102 People's Report 2002-2003 : <strong>Bangladesh</strong> Environment<br />
Table 4.1.8 Comparison of Depth and Duration Dur<strong>in</strong>g Three Major Floods<br />
Year<br />
Average Depth of<br />
Inundation (metre)<br />
Duration of<br />
Flood (days)<br />
1987 6.64 17<br />
1988 7.58 23<br />
1998 6.58 75<br />
Source: Zobra (1999)<br />
Table 4.1.9 Bank Erosion/Accretion Along the Different Rivers for the Period 1984-93<br />
Items Jamuna* Ganges Padma U. Meghna L. Meghna<br />
Bank erosion Left 100 -20 38 7 66<br />
rate (m/yr.) Right 84 56 121 -9 182<br />
Max. bank erosion rate (m/yr.) 784 665 620 NA 824<br />
Bank erosion (ha/yr) 5,020 2,240 1,800 48 1,172<br />
Bank accretion (ha/yr) 890 1,010 233 49 402<br />
Source : EGIS (2000)<br />
Note : 1: *Rates derived for the period 1984-92<br />
4.2 Water Supply<br />
Table 4.2.1 Public (Government Owned) Water Supply Facilities <strong>in</strong> Rural Areas<br />
Water Supply Facility<br />
1998-99 Number of Units 2000-2001 Number of Units<br />
Runn<strong>in</strong>g Choked up Runn<strong>in</strong>g Choked up<br />
Shallow Tubewell 842026 33264 858816 36871<br />
Deep Tubewell 81987 3396 100669 3942<br />
Tara Pump 130949 6873 149006 8795<br />
Tara - 2 1222 33 1417 51<br />
R<strong>in</strong>gwell 3946 866 5032 1175<br />
Very Shallow Shrouded<br />
Tubewell (VSST)<br />
5904 183 6046 164<br />
Pond Sand Filter (PSF) 2135 347 2557 455<br />
Iron Removal Plant (IRP) 3754 0 4075 3<br />
Deep Set Pump (DSP) 4474 1963 5363 2525<br />
Total Tubewell 1076397 46925<br />
Source: DPHE (2000), DPHE (2003)