Groundwater

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This document provides the details of guidelines for groundwater abstraction for both notified and non notified areas

This document by Central Groundwater Authority provides a set of guidelines to evaluate proposals/requests for the withdrawal of ground water. This is done with the following objectives:

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In this article, Seetha Gopalakrishnan introduces us to the Rain Centre and it activities in Chennai with respect to storm water construction in the city

One of the most conspicuous activities in the preparation for the monsoons in several cities today is dug up roads ! Crores and crores are spent on the construction of storm water drains alongside roads in cities and towns to prevent flooding during the rains. These channels / tunnels, that stretch for several kilometers, winding its way across the city, are expected to channel all the collected water into the nearest water body, say a lake or a river.

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A two day seminar on National Project on Aquifer Management (NAQUIM) was organized by the Central Ground Water Board (CGWB) at A P Shinde Hall, NASC Complex, ICAR, Pusa, New Delhi during 8th and 9th October, 2012. It provided a platform for exchange of ideas among various stakeholders including planners and administrators from various ministries of Government of India, Central and State Government organizations and NGO’s. The seminar comprised of deliberations on identified issues such as the steps involved in aquifer mapping, role of state agencies, participatory management, water quality data and related inputs.

mihir shah

Inaugural session chaired by Dr. Mihir Shah

Image courtesy: www.readandknow.org

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Dear experts.

I live in Thoraipakkam, Chennai (off the OMR). The ground water is very salty with a TDS of 6830. I have a borewell of 40 ft depth and there is copious yield even from 5 ft depth.

Can you please recommend how best to install a domestic RO system to take care of all domestic needs. Local body supplied water on road side taps is not usable as it is yellow in color and dependency on water tanker is proving difficult to manage.

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Dear All,

I need to pump water from the ground level to tank 40 feet high by installing pump at 30 feet. The problem is I have BMC supply water pipe 0.5 inch which dose not have pressure needed to pump at 40 feet height. So I need to suck water from it, but I can't put my pump at ground level because of some reasons.

Please advice me what type of pump I should use to pump the water up to 40 feet height. Its urgent.

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 Dear All,

 I would like to get water pump for pumping water from 30 feet deep on to the terrace of my building, the ground level pipe size is 0.5 inch. Please recommend the suitable type of pump to get water up.

Vithal Dighe

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I from Osmanabad district in Maharashtra, India. I have been given four borewell depths to drill 450,520,560,480 feet but I have got information on the accurate water point. Can you help me choose accurate point for borewell.

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We had dug a bore well @725 feet in Seeghalli, Bangalore & inserted submersible 3 HP 35 stage motor pump @675 feet and 100 feet of casing in it. There are 6 water channels inside it. Water level started @ 500 feet & continued till 633 feet. We got about 2 inches water. The motor stopped working in a few days.  After 6 months we put camera & were informed that mud & stones had accumulated at 70 feet & jammed the motor pump.

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Dear sir,

I have drilled a borewell in Fursungi, Pune, Maharashtra. I have drilled it to about 250 feet and we found water at 110 ft and at 120 feet the water was mixed with dust. We flushed the borewell with high pressure compressor and when we checked with a submersible pump no water came out. My question is:

  • Where has the water gone?
  • What are the solutions
  • Do I have dig a new borewell.

Thanks
Sandip

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I have a very new bore well of total 300 feet. I installed a 5 hp submersible motor at 250 feet to extract water. The pump runs for 10 min only and there is no water after that. If I restart the pump again in 15 min, the pump delivers water for another 10 min.

 

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