DICHAUN-KALAN  
Technology Urban
AT A GLANCE
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I.SUB SURFACE GEOLOGY

I
n the Dichaun- Kalan formation upto a depth of 48 m below ground level is predominately with sand and below 48m it is predominately clay and kankar.

II.WATER LEVEL

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A comparative study of water level map of 1960 and 2002 shows in Dichaun-Kalan the water level which was at 2 to 5m below ground level has gone down to 10 to 20 mts below ground water level.












III.WATER QUALITY

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In Dichaun-Kalan the occurrence of fresh water in alluvium formation is upto a depth of 48m. Below that level saline or brackish water occurs. The amount of fresh water is decreasing due to extraction.












IV.RECOMMENDATION FOR AUGMENTATION OF GROUNDWATER
The intake capacity of recharge structures will be low in shallow water table condition. Hence in Dichaun-Kalan where the ground water level is below 10m rainwater harvesting can be taken up. The study of the water level map shows that in some places the water level has gone to 15 to 20m below ground level. In these place recharge borewell depth can be restricted to a depth of 10 or 12m. So when the water travels in this soil media then natural filtration will take place, before the water reaches the main aquifer.

 

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