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Tamil Nadu, Chennai in particular, over exploiting ground water
Posted on: 24/Sep/2016 9:50:24 AM
According to the State Public Works Department, as many as three districts in western Tamil Nadu and the entire Chennai district top the table on exploitation of groundwater, according to the State Public Works Department. Chennai district has been declared over-exploited in terms of groundwater extraction. The entire western Tamil Nadu, particularly Coimbatore, Salem and Tirupur, figure among the regions with a high degree of over-exploitation of groundwater. This means that the level of drawal is more than 100 per cent of replenishment. When any area comes under this category, there is a blanket ban on any development project having a bearing on groundwater use.
In Thanjavur and Perambalur, both in the central region, and in Villupuram in the north, a little less than 60 per cent of their areas fall under the over-exploited category. Compared to other regions, southern districts generally have less over-exploited areas.
Meanwhile, a recent report authored by an official panel that was set up by the Central government states that Tamil Nadu, Gujarat and Uttar Pradesh seem to be fast approaching the stage wherein groundwater extraction exceeds recharge. As a whole, Tamil Nadu is utilising 77 per cent of the available ground water, the report adds.
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