QUESTION
Submersible pump pulls water for 10 minutes and then water flow stops in Bangalore, Karnataka - Advice the next course of action

Dear Madam/Sir,
We have a digged a borewell ; where the water stuck at 700 ft, Hard Rock was found @ 80Ft. Borewell People Mentioned that water is around 1" and suggested to install 1.5 Air compressor pump.
But when we approached some pump dealers they suggested submersible pumps, so we installed 5 BHP Sumberesible Pumps; Now the pumps pulls water for 10 Minutes after that the water suddenly stops.

Now we are in a very much worried and we don't know what should be the next action that we should take.

Please Guide us.

Thanks,
Girish

by
27 January 2010