The ground water quality of the 14 Metropolitan Cities of Faridabad, Delhi, Jaipur, Bhopal, Indore, Jabalpur, Nagpur, Nasik, Pune, Bangalore, Hyderabad, Vishakhapatnam, Patna and Kochi has been assessed to see the suitability of ground water for domestic and irrigation applications. Twenty five ground water samples were collected each during pre- and post-monsoon seasons in the year 2004 and analysed for various physico-chemical and bacteriological parameters, heavy metals, pesticides and polynuclear aromatic hydrocarbons.

The fluoride contamination study has been carried out in ground waters of Khanapur, Bailhongal and Saundatti taluks of Malaprabha sub basin, Belgaum district, Karnataka. 21 samples were collected during the pre-monsoon and post-monsoon season of 1999.

Total heterotropic plate count (HPC), fecal coliform (FC), Escherichia coli (EC), Salmonella and Shigella were estimated in water samples collected from 21 bore wells and 15 hand pumps in and around Kanpur district, during early and post monsoon which revealed the unsanitary condition of water sources.

Wastelands occupy 20% or more of India. Since these wastelands are neither in agricultural or urban use, they would fall in the undeveloped category. In other

The soil samples from selected fluoride environments in Dindigul district of Tamil Nadu is South India were analyzed for total and soluble fluoride. (2007)

Three hundred ground water samples were collected from (North, South, East and West) zones wells and bore wells of Mysore city during pre monsoon, monsoon and post monsoon seasons of 2002-03.

A survey was taken up to assess the quality of well waters in coastal taluks of Ramanathapuram district, Tamil Nadu. (2007)

The hydrochemical characteristics of groundwater in Mehadrigedda watershed of Visakhapatnam district have been studied.

Uttar Pradesh, India's largest state, is blessed with rivers. But what's the use? Each and every river and canal is filled with poisonous muck which seeps into groundwater. The Janhit Foundation in Meerut has carried out several studies which show that Uttar Pradesh's groundwater is loaded with dangerous carcinogenic chemicals. Towns and villages are becoming infamous for particular chemicals.

The erratic and heavy rainfall last year has turned a large part of the deep desert country into a vast submerged landscape.

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