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Arsenic is a toxin that is commonly found in the ground water of shallow aquifers in the Ganges River Delta.This research focuses on the social and economic factors that influence the successes and failures of different arsenic mitigation projects and will provide a strategy on how to handle the arsenic issue in the upcoming years.

Article Courtesy: Delft University of Technology

Author(s): Matthijs Brouns, Merijn Janssen, Andrew Wong

Origin of arsenic crisis in India

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How can I identify groundwater points/location for drilling borewell; as well the approximate depth in Salem rural attur area. Water diviners use sticks, copper ring, coconut etc., to identify the source, which of these is reliable and believable.

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Dear All,

We drilled a borewell about a year and half back upto a depth of 150 ft and had to stop as we encountered boulders in Bangalore. Now the bore is completely dry.

We were informed by the person who checks the water source that there is water available beyond the boulders.

Would like to know if the blouders can be crushed and dug further to find the water source or I should not proceed further.

Thanks,

Karthik

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Analysing the changes in land uses between 1989 and 2009, this paper assesses the impact on water balance in Mula and Mutha Rivers catchment upstream of the city of Pune

Land use changes  hydrologic system and have potentially large impacts on water resources. An assessment in an area with seasonally limited water availability and which is subject to rapid socio- economic development and population growth will provide an exemplary view on the local impacts of major recent developments in India. In this backdrop this paper analyzes past land use changes between 1989 and 2009 and their impacts on the water balance in the Mula and Mutha Rivers catchment upstream of Pune. The aim of the paper is:

  • assess the land use changes between 1989/1990 and 2009/2010
  • analyze the impacts of these changes on the long-term water balance components in the Mula and Mutha Rivers catchment upstream of the city of Pune.

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Borewell 250ft deep and  6.25 inches dia, casing 30 motor located at 150 ft. About a month back the pump was not working  and while removing it up due to tension discharge the pipe got cut and whole assembly fell down into the borewell.

Please give me suggestion as to how to remove it up and save my well in Mohitewadi, Satara, Maharashtra.

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Following are the test results of groundwater in Rohtak, Haryana 

  • pH - 8.49
  • EC - 5.12 mS/cm
  • TDS - 2580
  • Hardness - 455.4 
  • Chloride - 924.6
  • Alkalinity - 686 7.
  • Iron - 2.11
  • Flouride - 1.0
  • NO3 - 1.95 
  • SO4 - 211
  • Ca - 117
  • Mg- 57.3
  • Copper 0.014
  • Zn - 0.007

Kindly comment on its suitability for construction purposes, and if unfit, kindly recommend ways to improve its quality.

Thank you

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Borewell depth 650 feet in 2010 and had potable water from it until February 2012. Currently we are getting black coloured water with foul smell.

The problem persists even after cleaning the pump and the borewell twice and filling it with lime and bleaching powder to reduce the rusted iron smell from water. However there is no improvement in the quality of water.

We were advised to discard the borewell. Would like to know if there is any way to clean the water or should I go in for a new bore?

 

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Hello,

Existing borewell depth is 260 feet and water source at 75 feet and has a submerisble pump of 1.5 hp, but now there is no water being pumped out and it gets choked. Earlier it used pump out water for 10 minutes but that has stopped now.

Would like to know if it is better to rebore the existing one or drill a new borewell. The water diviner has marked a new water source point parallel to the old one. Let me know if we should go for the conventional method or scientific method to find out groundwater source

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Groundwater contamination is a serious, but relatively ignored issue in the country. This contamination occurs in either through geogenic or anthropogenic means. This paper analyses the Fluoride contamination, one such example of geogenic contamination, widely found in the Kolar district of Karnataka.

Groundwater contamination is a serious, but relatively ignored issue in the country. This contamination occurs in either through geogenic or anthropogenic means. Fluoride contamination is one such example of geogenic contamination that is widely found in the Kolar district of Karnataka. However, the fluoride levels in the town of Mulbagal are lower than those in the surroundings. Earlier, a study was conducted on the impact of pit toilets on the groundwater in the area. The present paper investigates the presence of any link between these two phenomena.View of Mulbagal Town, Kolar District, Karnataka

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I am looking for people/organizations with knowledge and who can help me in creating farm ponds in Tamilnadu.

I have around 4 acres of land and the well is dry. I am looking for ways to save rain water to replenish the underground water tablet.

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