Need suggestions to deal with silt in borewell

Hello,

I dug a borewell. And to my dismay, I got white silt below. Please find the details below

1) Rock at 123 feet

2) MS Casing pipe laid till 123 feet

3) PVC pipe laid till 40 feet

4) Got water source at 199 feet

5) Have silt layer between 200-220 feet

6) Got water source at 220 feet

7) Got water source at 270 feet

8) Got water source at 275 feet

9) Have silt layer between 275-300 feet

10) Rock again at 300 feet

11) Got water source at 325 feet

12) And again got silted water continuously after 468 feet

13) Stopped drilling at 504 feet because silted water continued indefinitely.

 

 

Please advise how to tackle the situation.

 

1) Should I drill deeper?

2) Should I stop and use a silt pipe with a jet stream pump?

3) How deep should I insert the slit pipe in the bore?

4) How deep should I insert the submissive pump in the slit pipe?

5) Should I stop and use a compressor pump?

6) How deep should I insert the compressor pump pipe?

7) Would you suggest any other approach?

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