Since the water level drops fast during the first one or two hours of the test, readings should be taken at short intervals which are gradually increased as the pumping continues. Fairly accurate measurements of water level can be made by using an electric sounder, by the wetted tape method (the steel tape is coloured […]
How to Measure the Water Level in a Well? | Ground Water | Geography
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How to Select Proper Pumping Set? | Wells | Geography
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The selection of a proper pumping set is important to ensure continued satisfactory yields from wells and the factors to be considered are: (i) Finished inside diameter and total depth of the well. (ii) Yield from the well, the desired pumping rate and hours of pumping per day. (iii) The lowest pumping water level (in […]
How to Construct Infiltration Gallery? (With Diagram) | Wells | Geography
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The following article will guide you about how to construct infiltration gallery with the help of suitable diagrams. Infiltration gallery is a horizontal perforated or porous pipe which opens joints, surrounded by a gravel filter envelope laid in a permeable aquifer with a high water table and a continuous recharge with a perennial flow. Infiltration […]