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. 

  • After several failed attempts at retrieving a stuck bore pump from 360 feet in a bore well, our mechanic poured 3kg of washing soap powder into the borewell to ease out the retrieval process as a last option. Finally, we did not succeed in retrieving the pump. During drilling, first water source fou...
    Anonymous (not verified)posted 1 year 5 months agoread more
  • Hi, We have drilled a bore well 8 months back, which is around 480 ft deep, but we did not install a pump set because of loose soil till 200 ft. To put a casing till 200 ft would have been expensive. This week, we did a video scanning of the bore well and noticed a blockage at 240 ft,  but the...
    Anonymous (not verified)posted 1 year 5 months agoread more
  • One of the major causes of deterioration of water quality is the increase in overall salinity. Total hardness and the presence of materials like fluoride, nitrate, iron, arsenic, and toxic metal ions determine salinity levels in groundwater. With the demand for groundwater growing rapidly, its explo...
    Amita Bhaduriposted 1 year 5 months agoread more
  • I recently drilled a borewell in my site in Erode, but could not find water source even after going beyond 940 ft, hence stopped the drilling. Before drilling borewell, I got the site verified by water diviner (who brought a machine and found a point to drill. Mr. Natarajan-9842776565). But could no...
    Anonymous (not verified)posted 1 year 6 months agoread more
  • In the beginning, the borewell water showed a good ph of 8.5, but was greyish color as there was some grey sand getting mixed in it, so we put some pebbles to block the sand from getting in. But now, I am getting a sewage and chemical kind of smell from the water. I'm really starting to get annoyed...
    Anonymous (not verified)posted 1 year 6 months agoread more
  • Location: Warangal, Telangana Depth - 200ft 10ft to 45ft- Soild Rock 45ft to 55f - Weak soil + Water 55ft to 200ft Rock Casing - Till 60 ft - 8inch Dia (6mm PVC pipe ) 60ft to 200 -> 6 inch Dia no casing We drilled the borewell with above stats and after few months when we tried to install...
    Anonymous (not verified)posted 1 year 6 months agoread more
  • Alternative Futures: India Unshackled is a book that brings together scenarios of an India that is politically and socially egalitarian, radically democratic, economically sustainable and equitable, and socio-culturally diverse and harmonious. Edited by KJ Joy and Ashish Kothari, with a foreword by ...
    priyadposted 1 year 6 months agoread more
  • Hello, I am from Karnataka. I recently digged a borewell which is about 530 feet in depth and the water that was yielded is at 390 feet. I initially installed a 1HP pump 11 stages upto 190 feet depth which was not advisable by anyone. However, I still tried it because I didn't have water and I meas...
    Anonymous (not verified)posted 1 year 6 months agoread more
  • We have drilled borewell upto 400 ft but found no water, however, 3 to 4 days later we heard a noise of water. On measuring the water level by rope we found that the water level was at 150 foot. So, i would like to know that how much chances are there to have a good yield of water ?
    Anonymous (not verified)posted 1 year 6 months agoread more
  • The Makhala village is located in the Amravati district in the southwestern Satpura mountain ranges. Situated at 959 m above mean sea level, this Maharashtra village has 352 households with a population of 1045. Although accessible by road in all seasons, the village is isolated and surrounded by fo...
    makarandpurohitposted 1 year 7 months agoread more
  • Hello, What is the required HP of the motor to pump the groundwater from around 180 ft (54.864 m) borewell ? Also, please suggest some motor pumps that I can check and buy - preferably with latest technologies. Along with this, I would like to know a resource or link for where I can check HP vs the...
    Anonymous (not verified)posted 1 year 7 months agoread more
  • Cauvery found to be the most toxic river in the country  A recent study has found that Cauvery, one of the important rivers in India, is loaded with the highest amount of toxins, despite having the lowest discharge into the sea. The total dissolved solids in the river have been found to be six...
    aarti kelkar kh...posted 1 year 7 months agoread more
  • I have a 80 feet deep 4.5" borewell that is now inside a large room with RCC slap on top a 10 feet. This borewell had been supplying 24 hours of water with a one inch pump. However, of late the water in the borewell have reduced a lot. The technician says that we need to drill the well 250 feet deep...
    Anonymous (not verified)posted 1 year 7 months agoread more
  • Hello! I have a borewell of 270 feet depth deployed in my home in which I have put a submersible motor at a depth of 240 feet. While digging out that borewell we initially got water beyond 220 feet only. It was told that the areas surrounding our regions were rocks. In the due course of change in s...
    Anonymous (not verified)posted 1 year 7 months agoread more
  • I would like to know that if the drilling and casing for borewell is done initially, then can the pump motor be installed later? Will this affect my borewell in any way. Regarding the site, it is mostly sheet rock at hilly location with very few areas of loose soil.
    Anonymous (not verified)posted 1 year 7 months agoread more
  • The borewell was dug in May 2016. Total depth is 900 ft. Pump lowered to 780 ft. Yield 1.5 in. It was fine till June 2017. After the heavy rains in Bangalore, the water availability reduced. We suspected problem with the pump and tried to remove the pump. It was not possible to take it out. We suspe...
    Anonymous (not verified)posted 1 year 7 months agoread more
  • The fields are silvery white with raw salt crusts in the vicinity of Nawa, a small town on the northwestern banks of Sambhar lake, India’s largest inland lake. Nawa lies about 90 kilometres east of Jaipur. Also an extensive saline wetland and a Ramsar site, the blinding white salt flats ...
    Amita Bhaduriposted 1 year 8 months agoread more
  • The water yeild in our borewell was around 1.25 inch at 570 sft. We further bored it upto 740 sft but there was no sign of second yeild. However, our neighbors got first yeild at 990 sft. We did not want to go further deep and hence we stopped at 740sft. The borewell is for domestic purpose. Now can...
    Anonymous (not verified)posted 1 year 8 months agoread more
  • “Sometimes I go for open defecation, sometimes I use the toilet. It’s not like I always have to use the toilet. When I go for work here and there, I defecate in the jungle,” says Renu from one of the remote villages in Tehri Garwal district of Uttarakhand when asked why she does not use latrin...
    aarti kelkar kh...posted 1 year 8 months agoread more
  • I have constructed a new borewell in cuddalore district Tamil Nadu. Details of the borewell are given below: Borewell diameter 8 inch Casing pipe 6 inch Borewell depth 40 ft Water found at 18 ft Submersible pump at 35 ft Submersible pump 1 hp Filter length 12 ft Soil description Black sandy ...
    Anonymous (not verified)posted 1 year 8 months agoread more

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I have a borewell with a depth of 365 ft in which I have installed a 3/20 submersible pump. However, due to low voltage issue I am not able to extract the water. It is extracted only when nearby motors are switched off. What should I do?

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A study finds drinking water in peri-urban areas around Bengaluru has high levels of bacteriological and chemical contaminants making it unfit for consumption.

India is running out of water fast. As if this is not bad news enough, it has been found that even the available water is highly polluted with organic and hazardous pollutants. Infact, a recent Water Aid report finds that India is among the top countries with the worst access to clean water close to homes.

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Hi,

I am a farmer and totally depends on farming for my livelihood. I want to dig a borewell in my field. Can it be tested properly so that I can get an idea of where to drill?

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We have put borewell at 165 feet with casing 72 feet. The drilling was stopped at165 feet due to loose soil and we have inserted filter pipe at 110feet. We have doubt whether we will get sufficient water.Pls share your valuable suggestions.

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We dug a borewell of 560 ft full casing. Found water at 420 ft after the black hard rock layer vanished at 400ft. Continued drilling red soil (which is suggested to have water) for further upto 560 ft. In summer we did the bore and checked it, the water level raised and came to 300ft. Later we installed submersible pump of 12.5 hp with 12 head (50ft each). The motor was giving 2inch water with no pressure later we installed a motor to 470 ft in search of 2inch pressure but the water vanished and the water extraction came down to 1/2 inches.

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While potable water dispensing units provided under WASH has come as a boon to Kalikapur slum residents, they struggle to meet other water needs due to lack of piped water.

Basanti Haldar (45) has been living in a slum at Kalikapur in Kolkata for over two decades. She works as a domestic help in an upscale locality in the neighbourhood. She is happy nowadays due to an increase in her income. 

The installation of Automated Dispensing Units (ADU) has not only provided her with clean potable water but have also saved her from the cumbersome job of standing in long serpentine queues for a bucket of water. She has time for more work that has also helped her earn better. 

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Hello Everyone,

Kindly help me in deciding the no of stages required for the below borewell:

Borewell depth: 910 ft; Planning to install Motor at 800ft; I got permisssion to install 7.5 hp motor.

So, how to calculate the no of stages required. Kindly help me. Thanks, Sivamoorthy.

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In Aleppey district of Kerala is there any borewell water test lab? Else in Kerala where is water test lab near to Alleppey district ?

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Our borewell is drilled till 310 feet and CI pipes are put inside till 240 feet due to presence of hard rock. We have installed 1hp motor at the depth of 210 feet. After flushing the water for many days we didn’t get clear water. But after 20 days water start clearing and we stopped further flushing. However, we get clean water only for after 10 minutes but the clear water still have some traces of minute particles. The water level at our borewell is at10feet depth when full. So what we can do for clear water supply?

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Policy matters this week

NGT orders performance audit for management of solid waste

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