Borewell water in Bangalore, Karnataka,light brown color and slighty oily

 

For my proposed house construction in 35x50 site, following borewell was drilled.

Borewell location : Yelahan
ka New Town,

Bangalore North
Drilling time:25/08/2011

 


Depth of borewell : 412 feet
Depth of 2.5mm M,S 6.5 ” casing : 150 feet
Depth of 10" PVC
Casing pipe: 94 feet.

 


Here is how the Yield Report looks

 

1.      Diameter of the Borewell                                : 6.5”

2.      Date of Drilling                                               : 25/08/2011

3.      Depth of Drilling                                             : 412 feet

4.      Casing Pipe Erected (2.5mm 6.5” MS)            : 150.5

5.      Yield at the time of drilling                              : 4” Water (25/08/2011)

6.      Collar &Cap                                                   : 10

7.      Yield

a.       Spring                                                          : ½”  Water @ 220 Feet

b.      Spring                                                           : Silt at 370 feet

c.       Spring                                                          : 3 ½”  Water @ 380 Feet

8.      Remarks                                                        : Light Boulders and Silt



The borewell has been used ever since atleast 3 hrs a week (in parts 30 min at once max), however i observe that sometimes i get a slight brown water.. like small mud particles mixed with water, also it smells slightly oily.

Please advice what should be done to cleanup the water that i get clean and odorless water consistently

 

Regards

Sripada

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