This story is from December 21, 2006

Water slipping

The water table is plunging rapidly due to over exploitation of the groundwater across the city.
Water slipping
HYDERABAD: Despite a normal monsoon and a couple of cyclonic storms, groundwater level in the twin cities and neighbouring Ranga Reddy district has hit a new low — 5.36 metres below ground level (bgl).
S R Nagar and Marredpally being the worst hit. While the rainfall in Ranga Reddy this year was 20 per cent below normal, the decrease was negligible for the twin cities, according to officials.
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Despite this, the water table is plunging rapidly due to over exploitation of the groundwater across the city. Data collated by the groundwater department shows that the average groundwater in twin cities as on Nov was 5.36 metres bgl when compared to 3.38 metres bgl during the corresponding period last year.
In the city, the maximum decrease in groundwater level was reported in S R Nagar where it was 17.87 metres bgl in comparison to 10.43 metres last year.
In Marredpally, it plunged to 12.22 metres from 6.90 metres in the corresponding period last year.
"Even though the twin cities had moderate rainfall this year, the fact that the water table is decreasing proves that run off after rain is being wasted. The city requires more rain-water harvesting pits,"groundwater department deputy director P Adi Reddy told TOI on Wednesday.
Pits need to be constructed also at areas prone to waterlogging as the run off could then be collected and recharged, said assistant director P Satyanarayana.

"The city has around 3,000-4,000 water harvesting pits, but they cannot solve the problem. The terrain is rocky and the soil at most places is not permeable for suction,"Municipal Corporation of Hyderabad (MCH) chief engineer R Dhan Singh said. Cement roads add to the run off and prevent replenishment of the water table.
However, MCH officials refuse to take blame for the decision to cement lanes. Ranga Reddy district recorded an average drop of 2.55 metres bgl. Shahbad recorded the highest drop from 8.5 metres bgl last year to 16.54 metres bgl this year.
With water-intensive projects such Fab City and several other projects proposed near Shamshabad, Ranga Reddy could see further depletion.
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