Guwahati, Friday, December 08, 2017
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Centre urged to take up issue with China
Ajit Patowary
 GUWAHATI, Dec 7 - The State Water Resources Department (WRD) today sent two letters to the Secretary of the Union Ministry of Water Resources (MoWR) with requests to take up with the Chinese authorities the issue of sharing the hydrometeorological data and also to look into the phenomenon of abrupt change in the quality of the waters of the Siang and the Brahmaputra.

Disclosing this, State WRD Secretary RP Das told this correspondent that the above requests have been placed before the MoWR considering the developments concerning the sudden change that has made the waters of the Siang and Brahmaputra turbid in an incomprehensible manner.

It needs mention here that the abrupt development of the Siang and Brahmaputra waters turning turbid, which is quite unnatural at this time of the year, has given rise to a lot of speculations here.

Meanwhile, the Civil Engineering Department of the Jorhat Engineering College, which was entrusted with the job to assess the quality of the Brahmaputra water samples collected at Maijan Ghat and Bogibeel Ghat of the Dibrugarh WRD Division, said in its report that the water samples tested by it mainly contained silt and clay particles. The report was issued yesterday.

The acceptable range of turbidity level for drinking water is 5 NTU and the pH level is between 6.5 and 7.5 as per the BIS Code No 10500 of 2012.

The Dhubri Division Executive Engineer of the WRD Gautam Bora told this correspondent that the Brahmaputra water between Jogighopa and Mankachar on the Indo-Bangladesh border has been found to be turning turbid since December 1 last, which is unnatural at this time of the year. In the previous years, it was found that the Brahmaputra water remained almost crystal clear during this season. The mud presently being carried by the river is a little bit sticky. He maintained that the mud is not settling down, rather it has become a part of the Brahmaputra discharge, unlike the usual behaviour of the sediment loads of the river. The mud is a little bit different in character, which needs proper study to determine its chemical characteristics and to find out a solution.

If the situation continues further, it will pose a serious threat to the aquatic life of the Brahmaputra, said the Executive Engineer.

On the contrary, the waters of the Brahmaputra tributaries like the Gadadhar, the Aie, the Champamati, the Tipkai, the Jinjiram, the Gangadhar and the Gaurang are carrying naturally clear water, said the WRD Executive Engineer.

According to an official press release here this evening, Deputy Commissioner of Kamrup Metro Dr M Angamuthu, who is also the Chairman of the Kamrup Metro District Disaster Management Authority, today directed the Guwahati Municipal Corporation (GMC), Public Health Engineering Department (PHED) and the Assam Urban Water Supply and Sewerage Board to ensure that supply of the drinking water in Greater Guwahati area should be done after proper treatment and people should receive clean purified water.

Moreover, Pollution Control Board, Assam, Central Water Commission and Central Pollution Control Board have been asked by Dr Angamuthu to examine the quality of water and take necessary measure to mitigate the issue at the earliest.

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