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Till Wednesday morning, Gujarat recorded total 60.78 per cent rain this season even as most of the state regions have logged over 50 per cent water storage as water bodies in south Gujarat, Kutch and Saurashtra recorded over 10 per cent rise between July 22 to 31.
According to the Gujarat Water Resources and Water Supply Department data, until July 31, the 206 major dams in addition to Sardar Sarovar dam in Narmada have a collective reserve of 52.42% out of the total capacity of 25323 million cubic meters (MCM), as against 45.21% recorded on July 22.
The available live storage in the major water bodies of the state is also up to 41per cent on July 31 as against 32.06 per cent on July 22.No exceptional rise has been recorded in water storage in central and north Gujarat due to “lower rainfall” compared to other regions.
According to the state rain data, Kutch has so far received 410.10 mm rain, making a total of 84.57 per cent of its average expected rain while Saurashtra received 75.06 per cent rain at 553.85 mm.
South Gujarat received 69.99 per cent rain until Wednesday morning with a total rain of 1044.30 mm. However, despite heavy rain lashing parts of north and central Gujarat last week, the two regions received only 43.43 per cent and 42.60 per cent average rainfall respectively.
As a result, Kutch logged an increase of 22.91per cent in its water storage capacity between July 22 and 31.
With six of the 20 dams in the region completely filled, the percentage filling in the region went up from 29.15 per cent on July 22 to 52.06 per cent on July 31. In Saurashtra, the water storage increased to 51.27 per cent on Wednesday from 44.50 per cent on July 22 while south Gujarat, with six of its 13 dams completely filled, has seen an increase of close to 17 per cent, currently positioned at 58.15 per cent.
The Sardar Sarovar Dam in Narmada — known as the lifeline of Gujarat — has been witnessing a steady inflow from Madhya Pradesh. With an average inflow of 71000 cusecs, the Sardar Sarovar Dam stood at 121.6 metres on Wednesday and 55.05 per cent of filling.
The current available gross storage of Sardar Sarovar is 5207 MCM, which is in deficit of about 1712 MCM compared to the storage recorded on July 31, 2023. Officials said that in order to prepare for the possibility of heavy rainfall in Narmada basin in August, the dam level is being maintained to mitigate flood risk with the Riverbed Powerhouse (RBPH) as well as the Canal Head Powerhouse (CHPH) running to generate power and release water. The dam has a gross storage capacity of 9460 MCM water, out of which 5760 MCM is live storage capacity.
Dams in north Gujarat have recorded a total storage of 27.76 per cent on July 31, including four districts of Aravalli, Banaskantha, Mehsana and Sabarkantha, which is in deficit of about 810.71 MCM compared to the water storage data of July 31, 2023. On July 22, the available water storage in north Gujarat was 26.54 per cent.
On the other hand, central Gujarat has recorded only a slight increase in the overall storage as well as the live storage in the dams in the regions. Central Gujarat has a gross storage of 42.38 per cent on Wednesday, as against 35.43 per cent on July 22.
Of the 206 dams, 48 are completely filled, including 35 out of 141 dams in Saurashtra, six of 13 in south Gujarat and one in central Gujarat.
Patan and Saraswati taluka in Patan district saw heavy rain in last 24 hours at 129 mm and 115 mm respectively while Abdasa in Kutch recorded 108 mm rain. Visnagar and Jotana in Mehsana recorded 101 mm and 86 mm rain respectively.
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