Last Updated on: June 21, 2024

DISTRICT DISASTER MANAGEMENT AUTHORITY

            District Disaster Management Authority is notified under the DM Act,2005 which undertakes all steps as specified in the act or by State Disaster Management Authority for disaster management in the district. DDMA, Sonitpur acts as district planning, co-ordinating and implementing body for disaster management  . Sri Deba Kr. Mishra , ACS, District Commissioner is the chairperson of DDMA, Sonitpur .

Sonitpur District  is spread over an area of 2076.70 sq. kms. on north bank of  Brahmaputra river. In its North is the The state of Arunachal Pradesh, in South is the Morigaon, Nagaon, Jorhat and Golaghat districts, in East is the Biswanath District and in West is the Darrang District. Sonitpur District lies between 26° 30’N and 27° 01’N latitude and between 92° 16’E and  93° 43’E longitude.   Located between mighty Brahmaputra River and Himalayan foothills of Arunachal Pradesh, the district is largely plain with some hills. The Brahmaputra River forms the south boundary of the district. Pachnai, Belsiri, Gabharu, Bhoroli are some of the sub-tributaries of the mighty Brahmaputra.

                                            FLOOD VULNERABILITY (CIRCLE WISE)

 

Tezpur Revenue Circle: The occurrence of flood in the circle is primarily due to river Brahmaputra, Jia-Bharali and their tributaries. Flood occurs generally in low lying area of the circle and northern part of the circle where The Brahmaputra River raises above the danger level during the period from June to August every year.

Thelamara Revenue Circle: Thelamara Revenue Circle experiences considerable inundation with the annual flood season. The annual floods primarily affect the agricultural fields causing significant loss in crop production. The tributaries of the Brahmaputra have considerable hill catchments especially in upper stream. The heavy monsoon rains that fall on these hills soften the top soil on the steep slopes. The streams and rivers carry these sediments down the steep hill slopes and these sediments are deposited on their beds, thus choking the channels. The resultant rising of the bed naturally reduced the volume of the channels making the rivers shallow. The heavy monsoon rains that fall on these hills soften the top soil on the steep slopes. The heavy water and silt discharges occurring in upper region of the rivers during the peak monsoon find their way through numerous streams and rivulets resulting in excessive spilling over on the banks of the rivers and their tributaries and consequent water logging in extensive areas of the plains of the circle.

Dhekiajuli Revenue Circle : Criss-crossed by rivers Gabharu, Belsiri, Pachnoi, Sapoi, originating from the Arunachal hills and small rivers like Dhirai, Gadhajuli etc., the Dhekiajuli Rev. Circle has suffered moderate flood in 2007-08 and 2008-09 flood season and more recently during 2016-17 & 2017-18. There was only one human casualty in 2007-08. Relief operation in inundated areas was properly taken. In 2008-09 flash flood occurred in Rakshasmari area with the river Sapoi causing breaches on embankment and approach roads of Rakshasmari to Hugrajuli. Erosion also took place along Pachnoi river in Fatasimalu, Borbhagia etc. in Borsola Mouza. Again, recently during floods occurring in 2016-17, a large portion of the road in Singri-Shitalmari area has been washed away, creating disruption in road connectivity.

Chariduar  Revenue  Circle :  Flood generally occurs in the villages due to rise in water level in the upstream i.e. in the hills of  Arunachal Pradesh and as a result the water  level of river  Jiabharali is raised and causes heavy flood   in   those   villages.   The flood prone villages are located in the Panch Mile area  and  there  is  precedent  of  occurrence  of  heavy  flood  in  last  few  years.  Rivers  Jorasor  and  Mansiri  which flow through the circle that contributes to partial flood during the rainy season. The rivers Jorasor and Mansiri originate in the hills of Arunachal Pradesh and meet at Patgaon after flowing for  more than 25km through Sonitpur. Jorasor has always been a cause of concern since flash floods  occurs in  villages near Balipara.  The  level  of  Mansiri,  however,  has  been  lowering,  since  it  got delinked from its hill source.

Naduar Revenue Circle :  The Naduar Revenue Circle constitutes of total 188 number of villages. Out of these 43 villages are mostly affected by flood/ erosion and 17 villages are of vulnerable category. The villages situated on the bank of the river Brahmaputra and its tributaries are mainly affected.In the year 2012 the unprecedented flood commenced from 26/06/2012  in which the highest water level of the Brahmaputra was  66.11  Mtrs against the danger level of 65.227 Mtrs.The 2012 flood caused huge  damage to roads, bridges , embankments  and school buildings. The key factor that contributes to vulnerability of human populations /infrastructure to disasters are mainly people residing along the bank of the river,residing  in the flood affected villages which are in low lying area,Children and woman of the flood affected villages, people who live in  katcha houses and in remote areas with inadequate road connectivity.

Flood Report (2023)

i)          Village affected                                    :           163 nos. villages of 5 nos. revenue circle. 

 ii)        Total Population affected                     :           21912 nos.

iii)        Total Crop Area affected                     :           1400.12 Hects.

iv)        Total Animals affected                        :           52035 Nos.

v)         Total GR Distributed                          :           Rice- 797.03Qntls,  Dal-145.77  Qntls,                                                                                                                          Salt – 43.70 Qntls, Cattle Feed -1944.64 Qntls

vi)        Total No. of  Relief Distribution Centre:          63 nos.

vii)       Total No. of  Relief Camp opened        :           2 nos

viii)      Human Life Lost                                :           2 nos 

            (Lt. Khemraj Chetry & Lt. Gyano Boro of Chariduar)

ix)        Rehabilitation Grant                           :           Nil

x)         Highest rainfall recorded                     :           81.8 mm on 21/07/2023.

xi)        SDRF proposals approved by  DDMA :           TWRD:25 nos., PWRD:16 nos.,Agriculture:1