Groundwater

  • C.P. Kumar of the National Institute of Hydrology, Roorkee provides a list of web communities on hydrology: 1. Hydrology Forum (Topica) This list aims to provide a forum for discussion of scientific research in all aspects of Hydrology including hydrologic design, surface water analysis and modell...
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  • We are constructing our house. Plot size is 40x60ft. Definitely we are constructing a septic tank. Now we want to do a bore well also.  Due to lack of space we are not able to increase the gap between them,  it is around 5 feet. People are saying - "don't make the bore well near the s...
    iwpposted 11 years 9 months agoread more
  • (Image taken from the NASA page mentioned below) Several African basins, such as the Congo, Zambezi and Nile, show significant drying over the past five years. In the United States, the Mississippi and Colorado River basins show water storage increases during that time. Such information is vit...
    iwpposted 11 years 9 months agoread more
  • In a remote place in Africa(Niger) , lack of access to water is a major problem. A NGO has started to target this issue by building bore wells. Shallow wells in this area has failed previously. Now they are building borewells with depth between 250 mts - 300 mts. using steel tubes. Depending on the ...
    iwpposted 11 years 9 months agoread more
  • In July 2007 India Water Portal collaborated with Chitradurga All India Radio (AIR) station (FM 102.6MHz) to produce and broadcast programs related to rainwater harvesting and ground water management. This activity was part of the 'offline' dissemination program of the Water Portal , i.e. creating a...
    iwpposted 11 years 10 months agoread more
  • Mr. R.V. Rama Mohan of Center for World Solidarity has come up with freeware (an Excel spreadsheet) to calculate the groundwater extraction vs. recharge in an area. He has made the software available to the public and is soliciting feedback.Comments may be sent to rvrm2@yahoo.com and we would also b...
    iwpposted 11 years 10 months agoread more
  • There is a well in my newly purchased propert in Cochin, Kakkand. This is being used by the neighbourhood as their drinking water source. Now I am planning to construct a 12 unit flat. I would like to know what kind of filter I should use and what will be the costsVinod Menonkrvmenon@gmail.com
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  • We have a open well 10 meters diameter & 15 meters depth built with stone blocks near Bangalore. There is a bore-well in the middle of the open well. In summer there is no water in the open well , we get water from the bore well. Is there any method to line the open well & do rainwater harve...
    iwpposted 11 years 10 months agoread more
  • Why do wells not overflow when rivers get flooded and reservoirs/tanks overflow under the influence of heavy rains?C.M.Devicmdevi85@yahoo.com
    iwpposted 11 years 10 months agoread more
  • The September 2007 report of the Expert Group on "Ground Water Management and Ownership" of the Planning Commission is available from the Commission. The report looks primarily at the problem of rural depletion of groundwater and feasibility and necessity of changing groundwater law.You can get the ...
    iwpposted 11 years 11 months agoread more
  • The borewell water in our flats seems to have been contaminated with sewage water. Our flats is equipped with a septic tank and an additional soak pit to take care of additional flow of sewage water. Recently we added one more soak pit, which was almost near our borewell (approx. 5 to 7 feet differe...
    iwpposted 11 years 11 months agoread more
  • What are the sustainability risks for businesses which use a lot of ground water - the risks from neighbourhood communities, activisits, shareholders in India, global shareholders, media, NGOs ? Can you share some examples where companies had to stop the operations ?Sanjay BapatIndianNGOs.com, Thane
    iwpposted 11 years 11 months agoread more
  • Groundwater - India's Water Lifeline needs urgent interventionGovt is non serious about the crisisGovernment's own figures show that Groundwater is India's water lifeline. That lifeline is crisis situation and needs urgent intervention. However, even as the first National Groundwater Congress meets ...
    iwpposted 11 years 11 months agoread more
  • Attached is an interesting document from Prof. Prithvi Kandhal about using porous asphalt in parking lots so that rainwater seeps through it and recharges groundwater.Dr. Kandhal has published many papers and has significant credentials in his areas of expertise. He resides in Jaipur after 35 years ...
    iwpposted 11 years 11 months agoread more
  • I need your help in solving a problem related to groundwater (Openwell).Ground water (Well) is being contaminated with Sewage water (mostly) and we are unable to trace from where the Sewage is seeping in. I have 2 questions;1. How to identify the source and take some preventive action. 2.&...
    iwpposted 12 years 2 weeks agoread more
  • Compiled by Pankaj Kumar S., Resource Person and Ramya Gopalan, Research Associate From Aniruddhe Mukerjee, United Nations Human Settlements Programme, Bhopal   Dear Members, I work for the UN-Habitat on the Water for Asian Cities Programme, which aims to support developing countries in Asi...
    arathiposted 12 years 4 months agoread more
  • Original Query: AJ James, Pragmatix Research & Advisory Services Pvt. Ltd. Gurgaon, HaryanaPosted: 14 October 2005I have been an interested follower of water resource management for several years now, and am particularly interested in practical, local level measures.There have been a few detaile...
    Rama Maniposted 13 years 10 months agoread more

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This borewell was dug up to 240 feet in 2004 and yield was very good initially. It depleted by 2010. We removed the pump and repaired, some improvement was seen. Again removed a week back and installed a new pump with every fittings changed, now it runs for 10 minutes with 1/4th the yield. Can working further in this borewell by digging 300 feet further be fruitful or do I need to dig another borewell increasing the depth. An answer by your experts panel will be highly helpful.

Regards,
Vasudevan

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Please help us in determining the best motor. I have a building with a height of 40 ft near Tenkasi( Nannagaram). There we  have made a 4.5'dia borewell of 20o ft, there is an open pond nearby 200 Metres. First water spary taken at 38-40 ft , 2nd at 85-90 ft & 3rd one at 130ft. What kind of motor should I go for - compressor motor or submersible. Persons in the area have been using compressor and have observed some fine sand in the water. Kindly suggest your opinion on power consumptions, maintenance and durability of these motors - Texmo / Suguna/ any other.

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Dear experts,
I want to use water system on my well water, the TDS is 1200-1500mg. Please suggest me which water system should I use?

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I drilled a borewell in Jaynagar 9th block in Bangalore with a slow rig upto to 72 feet casing and then the rig drilled the stone upto 95 feet. We got source at 90 feet of 2 inches and at 95 feet we hit stone and mud, what do we do with this borewell.

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My borewell is in Thapathali, Kathmandu, Nepal. The bore is 4"diameter, the depth is 44 feet which was done on May 23, 2012. At that time water supply was 1.35 min for 6.35 gallons water. All of sudden from September 25th the water flow went down and took double the time to fill up for the same amount of water. If I increase the ball valve (water flow) then water stops just after 1.3min. I kindly request you to provide me some suggestion. Waiting for your kind information.

With best regards,
Binod Mool

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Kindly let me know how much liters of water can be obtained from 1 inch water level in 4"borewell.

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Madakas are being replaced more and more by borewells. Efforts need to be made to restore these structures, create awareness, and preserve local knowledge.

Madakas are one of the fast disappearing traditional rainwater harvesting structures found in the laterite belts of Karnataka and Kerala. They are naturally occuring depressions with high terrain on the three sides where water from the surrounding laterite slopes, mainly runoff from the rains, is accumulated. These have been traditionally used to harvest rainwater by constructing bunds on the open fourth side of the depression to check this runoff from the slopes.

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Dear Sir,

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Dear Sir,
I wish to sink a borewell in my farm in Senjeri ,Palladam,Coimbatore district. The groundwater there is now scarce. Can you guide me to a suitable consultant?

Ramamurthy

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Dear Sir/Madam,

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