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Severe flooding, earthquakes, civil disturbances and other natural and man-made disasters often cause damage to hand-dug wells. Surface structures are broken and the well becomes contamined by silt, chemicals or debris. Contents: Steps for cleaning and disinfection Step 1: Inventory of existing wells Step 2: Rehabilitation and cleaning of wells Step 3: Disinfection of the well Step 4: Dewater the well Post Date : 09 Oktober 2009 |