TIKRIKALAN  
Technology Urban
AT A GLANCE
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I.SUB SURFACE GEOLOGY

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In the Tikri kalan the top impermeable clay & kankar formation exists upto a depth of 28m below ground level (bgl), which is followed by layer of Kankar and silt which exists upto a depth of 52m bgl.











II.WATER LEVEL

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











 
III.WATER QUALITY

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In Tikri kalan the occurrence of fresh water in alluvium formation is upto a depth of 30m. 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 Tikri 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 bgl. 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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