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Borewell water level drop, able to pump water only for 3-4 mins: Does the bore need flushing?

Submitted by mistkhan on January 21, 2012 - 08:29

Hi, 

We had drilled borewell in 2003. I don't have the complete information regarding the borewell. Couple of years back, there was big hole around the borewell and mud entered into the borewell. From then on, water level started dropping. I have an immersible motor to pump water from borewell to the sump. Now there are 2 or more bores drilled by other house owners. Now I see a complete drop in water level. On powering the pump, there will be water for 3-4 min after which there will be no water. If I try after 3-4 hours I will get water for 3-4min. 

1. Is this behaviour due to the fact that the water level gone down, or,

2. Does the bore need flushing?

Can anyone visit my house and advice on resolving this issue. 

Location: Abbiah Reddy Layout

Kaggadasapura, CV Raman Nagar Post

Bangalore - 560093

Thanks and regards

Aman

9945124750

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Borewell collapse at 645 feet, depth of water available just 5 feet, water source appears to be connected to another borewell: Will further drilling help?

Submitted by Mahendras7 on January 19, 2012 - 19:08

Hi,

My house construction (in 30x40 site) has started and now its at the foundation level. We had drilled a borewell and the information is as follows,

Borewell location : K.R.Puram (Mahadevapura), Bangalore East
Drilling time: Mid November, 2011
Depth of borewell : 650 feet
Depth of 6.5 ” casing : 80 feet
Depth of 10" PVC Casing pipe: 10 feet.

Yield data - I yield: 640 feet, 2.5".

On further drilling, boulders were found at 645 feet. and we continued to drill till 660 Feet.
It was meant to be used during the house construction. Now, before inserting pump we checked with a camera and found that the well has collapsed at 645 feet onwards and the depth of water we have is just 5 feet. Also looks like water source is connecting to another borewell, as water is not rising above 640 feet though we had 2.5" to 3" water during drilling.

Can you please advise whether drilling for another 100 to 200 feet will help?
Is it possible to install PVC filter pipe from 640 onwards using any method after re-drilling for another 100 t0 200 feet?
Any solution will be greatly appreciated.

Regards
Mahendra S

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Groundwater hydrology and groundwater quality in and around Bangalore city - Department of Mines and Geology (2011)

This report by the Department of Mines and Geology describes the findings of a study on urban groundwater hydrology and groundwater quality in and around Bangalore city. Earlier studies carried out by the Department of Mines and Geology during 1994, 1995 and 2003 on the groundwater quality of Bangalore Metropolis had found that the groundwater pollution in the city has mainly been due to sewage disposal and recommendations have been made to prevent pollution from sewage and industrial wastes. The supply of the required quantity of water to the population continues to remain a big challenge to the concerned authorities in Bangalore.Read More

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Groundwater hydrology and groundwater quality in and around Bangalore city - DMG - GoK (2011)77.51 MB
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1/2" water in borewell at 150ft: What is water availability per day from this quantity

Submitted by surajtrip on January 11, 2012 - 22:12

Dear Sir,


I am from Bhubaneshwar. We dug a bore well (Depth-270ft). We got a hint of water at 120ft and at 150ft we got about 1/2" water and even lesser water at 180 ft. But after that there is no sign of water. I asked the engineer to do a test and he said not much water is available at the site. He asked us to manage with that much water. I want know how much water we can get per day with 1/2" at 150 ft. We are 7 people staying at home and would like to know if that amout will be sufficient. 

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Query : About borewell minimum distance from openwell

Submitted by shreesh1 on January 9, 2012 - 10:39

Hello,

My farm is in north Konkan - Raigad district. The soil is lateritic. It is on a plateau, but at the base of a 40m high ridge which forms the catchment area.

Eventually, I intend to dig an openwell, but due to some restrictions initially I decided on a borewell. The question is, how far should my borewell be from the proposed openwell so that it does not affect the inflows into the well. The openwell spot gets inflows from all directions (N, E, W, S) and the borewell is a little upstream on one of the sides of the openwell.

Do you think a distance of 200m is sufficient buffer between the 2 wells?

Looking forward to your advice.

Thanks.

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How to remove yellow color & salty taste from bore well water?

Submitted by johnbio85 on January 5, 2012 - 17:57

I am living in Ramapuram, Chennai. In my house the bore water is yellow colored, salty & it contains 2500 TDS. The depth of the bore is 150 ft & we have put the suction valve at 140ft.  Neighbors are getting good water & they have dug only 80-90 ft of bore.


The detail of water present in our area is:



  • 20-60 ft contains yellow colored water

  • 65-100 ft contains rock – it gives colorless good water

  • 110-150 ft contains salt water

We have installed Iron remover (MnO2 used as medium) and softener. Still the output water is yellow colored & the harness is reduced.
Can you suggest ways to remove the yellow color from the bore well water?
Is there any possibility of getting good water if I reduce the suction height (80-100ft) or still I will get the same salty taste & yellow colored water?

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Groundwater bill - Andhra Pradesh - Third draft (2010)

This document includes the third draft of the Groundwater Bill for Andhra Pradesh and is divided into the following chapters:Read More

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Groundwater Bill - Third draft - Andhra Pradesh (2010)71.32 KB
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Efficacy, effectiveness and acceptability of closed containers, Moringa oleifera and in-home chlorination to deal with drinking water contamination in rural south India - A paper from AJTMH

This study published in the journal The American Journal of Tropical Medicine and Hygiene (AJTMH) aimed at assessing water contamination and the relative effectiveness of three options for point-of-use water treatment in South India. A 6-month randomized, controlled intervention trial was conducted using chlorine, Moringa oleifera seeds, a closed valved container, and controls. Read More

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Use & Disuse - Effects on a Borewell? - Raigad, Maharashtra

Submitted by madhura.chavan on September 11, 2011 - 16:08

I have bought a house in the Raigad district of Maharashtra. I want to drill a borewell in empty space around  my house. But before driling, I have one important question as follows. We normally visit this place once in three months. So if we are not using this water for quite some time will it be stop flowing? 

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Motor Selection & Installation - detailed query! - Yelahanka, Bangalore.

Submitted by sripadasv on August 27, 2011 - 10:48

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

Borewell location : Yelahanka 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.

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