Borewells and Tubewells

India being an agrarian country, our farmers depend mainly on groundwater for irrigation. With increasing population, lesser land holdings and urbanisation, deeper borewells are dug for groundwater abstraction. Borewells & tubewells, are very similar. Both are basically vertical drilled wells, bored into an underground aquifer in the earths surface, to extract water for various purposes. The difference in the two lies in the type of casing used, the depth of this casing and the type of soil where they are drilled. Casing to support the external surfaces of the borehole against collapse may be needed at certain depths, and usually is made up of PVC pipes. Electrical pumps are usually used to pump out the water fro the borewells, though the government is now giving subsidy for solar pumps. This convenience of pumps may increase the depletion of the groundwater at an increased pace.

Our FAQ on borewells, deals in detail with topics ranging from the initial planning, selection of site to final commissioning, maintenance of the structure and problems associated with existing borewells,. Another Frequently asked questions (FAQ) on Groundwater - Understanding the basics, narrows down the existing knowledge gaps amongst the common groundwater users.

Excessive drilling of borewells has led to exploitation of groundwater at higher rates than the rate of water recharge and caused depletion of the groundwater levels. To monitor this many states like Karnataka & Kerala have come up with laws & a statutory authority to regulate and keep tabs on the groundwater utilisation. Some states have implemented groundwater legislation acts which prevent drilling of borewells without the permission of Government Bodies in water scarce regions. However, some states allow only drilling of drinking water borewells without the need for obtaining permission. Therefore, it is advisable to explore the details of it before drilling a borewell.

Central Ground Water Board (CGWB) has come with reports on the groundwater status in the country. Uncontrolled use of bore well technology leads to exploitation of groundwater at higher rates than the rate of water recharge, which may cause drastic depletion of groundwater. 

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Hello,

I have an agricultral property at Coorg, Karnataka . I want to rig a borewell  and want to details on the following:

  • Present rules & regulations to dig the borewell and  where can i get it.
  • Information on the groundwater table of my place and where to get this.
  • When I dig the borewell what are the safety measures I have to undertake so that I am not cheated by the rigger.

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Hello,

Need suggestion of a pump to lift water from 70 ft deep to a service tank which is 15 feet above ground level, the distance is 50 feet between the pump and the tank.

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I have an old borwwell having a 3"dia and is 95 feet deep. Please suggest a suitable pump for this.

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We wish to drill a borewell in our land approximately 500 feet away from the public borewell in Chitoor district of Andra Pradesh.

What is the minimum distance to be maintained between two borewells?

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We have HDPE pipe in our borewell which has started leaking. The borewell is around 215 feet deep and we have kept the motor at 180 feet. Since the pipe is around 5+ years old and is the second time leakage is occuring, I am planning to replace the pipe entirely.

What is the recommended pipe (CPVC or HDPE) for this installation from a cost and reliability perspective. And also what would be the cost per feet for both of the above in Bangalore. Please advice.

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We drilled a borewell sometime in February 2009 and in Chikmagalur, Karnataka. The diameter is 6 inches, total depth is 462 feet, casing is done till 90 feet later we hit with a rock. We have installed a 1.5 HP submersible pump at 330 feet.

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Hello,

I want to drill a borewell in Madyachi wadi, Pinguli road, Kudal. 

It will be very helpful if you could answer the below questions:

  • Need contact number of agencies who drill borewells.
  • What will be the rate payable per feet?

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While digging a borewell in Bangalore at around 900 feet a bit has broken, and the diggers tried to recover it using magnet but failed.

Would like to know if I can recover it by any other alternate way and further drilling.

Thanks

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Hello,

Borewell depth 350 feet deep and it went dry 6 months back in Bangalore. When we lifted the motor to check the water level we found water upto 90 feet high from the base.

Would like to know if it is okay to use this borewell on a daily basis and is the water sufficient to provide for 15 flats.

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I would like to know if there would be any problem if we dig a borewell within 3 feet of a building in Bangalore near Ramamurthy Nagar going upto about 900 ft.

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