AHMEDABAD: With the shadow of severe water disaster looming over the state and no Narmada irrigation water for summer season crops, farmers are taking a look downwards for groundwater, reasonably than upwards praying for an early monsoon. However, the location under the surface turns out equally grim, as in maximum puts the water table has dropped to such depths that drawing out groundwater has develop into a dear, if no longer inconceivable choice.
A recent study carried out by the West Central Region administrative center of Central Ground Water Board (CGWB) finds the sour fact, and the fact that on an average, since 1974, water tables in north and central Gujarat had been shedding at a rate on the subject of 20m in line with decade.
Experts point out that in many areas the overexploitation of groundwater shops which might be hunderes of years outdated, would possibly leave not anything for the following generations if good enough steps are not taken lately.
The study encompasses primary aquifers in the area spanning from Banaskantha in north to portions of Patan, Sabarkantha, Mehsana, Gandhinagar and Ahmedabad districts. According to the professionals, the water-starved area is also crucial area for the groundwater availability because it is composed of sand and gravel with lenses of sandy clay and clay — ranging in thickness from 35 to 125 metres.
CGWB analyzed remark smartly readings of 4 distinct sessions - 1958-62, 1961-62, 1970-71 and 1971-74 - to compare with the reading of 2017-18 to evaluate the depletion over the last 60 years. “Groundwater which was once at shallow intensity (maximum of 46.eight metres in Charasan in 1971-74) and even in free flowing situation in several puts in Banaskantha, Mehsana and Patan districts from 1958 to 1974, have now reached right down to a intensity of 54 to 160 metres in Banaskantha, 81 to 168 metres in Mehsana and 83 to 146 metres in Patan districts,” mentioned a senior CGWB legit. Officials point at Pilwai where professionals had reading of 17.75 metres under flooring degree (mbgl) in 1971-74 which went right down to 165 mbgl in 2017-18, recording a lower of 147.25 mbgl. Likewise, Mahi in Banaskantha has reported lower of 140 mbgl and Sardhao in Gandhinagar has reported lower of 137 mbgl.
A recent study carried out by the West Central Region administrative center of Central Ground Water Board (CGWB) finds the sour fact, and the fact that on an average, since 1974, water tables in north and central Gujarat had been shedding at a rate on the subject of 20m in line with decade.
Experts point out that in many areas the overexploitation of groundwater shops which might be hunderes of years outdated, would possibly leave not anything for the following generations if good enough steps are not taken lately.
The study encompasses primary aquifers in the area spanning from Banaskantha in north to portions of Patan, Sabarkantha, Mehsana, Gandhinagar and Ahmedabad districts. According to the professionals, the water-starved area is also crucial area for the groundwater availability because it is composed of sand and gravel with lenses of sandy clay and clay — ranging in thickness from 35 to 125 metres.
CGWB analyzed remark smartly readings of 4 distinct sessions - 1958-62, 1961-62, 1970-71 and 1971-74 - to compare with the reading of 2017-18 to evaluate the depletion over the last 60 years. “Groundwater which was once at shallow intensity (maximum of 46.eight metres in Charasan in 1971-74) and even in free flowing situation in several puts in Banaskantha, Mehsana and Patan districts from 1958 to 1974, have now reached right down to a intensity of 54 to 160 metres in Banaskantha, 81 to 168 metres in Mehsana and 83 to 146 metres in Patan districts,” mentioned a senior CGWB legit. Officials point at Pilwai where professionals had reading of 17.75 metres under flooring degree (mbgl) in 1971-74 which went right down to 165 mbgl in 2017-18, recording a lower of 147.25 mbgl. Likewise, Mahi in Banaskantha has reported lower of 140 mbgl and Sardhao in Gandhinagar has reported lower of 137 mbgl.
‘Water tables in state fell by 20m each decade’
![‘Water tables in state fell by 20m each decade’]()
Reviewed by Kailash
on
April 30, 2018
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