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Government Of Assam Dhemaji District

Water Resource, Dhemaji

  • Introduction 

                  The Dhemaji Water Resources Division was established in the year 1964 and then onwards it is looking after the flood and erosion management works about 57.825 Km  reach length of Brahmaputra and 121.25 Km  reach length of its tributaries in Dhemaji District through its Sub- Divisions namely –

                                        1. Dhemaji W. R. Sub- Division, Dhemaji

                                        2. Jonai W. R. Sub- Division, Jonai

               The District of Dhemaji is occupying total geographical area of 3237 Sq. Km. Like the rest of the state of Assam, the District has a sub-tropical humid type of climate. The district is located in Longitude 94033/26.22// East, and Latitude 27028/52// North.  It has a population of about 686133 ( As per 2011 Census, Provisional)

    RIVER NETWORK IN DHEMAJI DISTIRCT

                The major river under its jurisdiction is the river Brahmaputra which is flowing along the Southern boundary of Dhemaji District and its tributaries flowing in Southern direction control the entire drainage system of the district and play an important role in occurrence of flood and erosion in the district. The major tributaries in Dhemaji district are

    1. Jiadhal / Kumatiya, 2. Gainadi, 3. Na-Nadi, 4.Moridhal, 5. Dimow, 6.Simen, 7.Depi, 8.Deka, 9. Dekhari, 10.JalakiaSuti, 11.Rajakhana, 12.Rayan, 13.Tangani, 14.Silley

                           Moreover, there are innumerable nos. of streams and rivulets which originate from the hills of Arunachal Pradesh, join these Tributaries and add additional discharge to them.

                           The river Brahmaputra is causing problem of flood in Assam since the major earthquake of 1950 as the river bed has risen considerably after the earthquake reducing water carrying capacity of the river. Apart from the main reason of rise in water bed level due to comparative young geology of the Himalayan mountain range from where the river Brahmaputra and most of its tributaries are originated carry a huge amount of silt load during the monsoon season and create innumerable sand chars within the river course. The sand chars have reduced the peak discharge carrying capacity for which every year the river erodes the banks in order to accommodate the unbearable discharge during monsoon.

    Embankment system under Dhemaji W. R. Division :

                At present the Dhemaji W. R. Division has 179.072 Km of embankments on major rivers in Dhemaji District. All the major embankments were originally constructed in-between 1954-1988. Construction of these embankments has given reasonable flood protection to about 59344 Hect. of highly flood prone areas in the districts. Category wise lengths of embankments so far constructed are shown below

    Name of river

    Category of river

    Original Length of Embkt.

    Present Effective Length

    Year of original construction

    Brahmaputra

    A

    57.825 Km

    37.450 Km

    1954-60

    Gainadi

    C

    27.542 Km

    27.542 Km

    1963-65

    Moridhal

    C

    29.24 Km

    29.240 Km

    1954-56

    Jiadhal

    B

    22.43 Km

    45.739 Km

    1954-57

    Kumatiya

    B

    30.30 Km

    1954-56 & 1978-79

    Silley

    C

    8.10 Km

    8.100 Km

    1984-88

    Na-Nadi

    C

    2.235 Km 

    2.235 Km

    (Taken over in) 2011-12 

    Simen

    B

    1.40 Km

    1.40 Km

    2015-16

     

    Total

    179.072 Km

    151.706 Km

     

     

    EMBANKMENT SYSTEMS UNDER DHEMAJI DISTRICT

    Sl. No.

    Name of Embankment

    Original Length

    Effective Length

    1

    B/dyke from Dizmore to Sonarigaon

    23.15 Km

      20.800 Km

    3

    B/dyke from Sissikalghar to Tekeliphuta

    7.50 Km

    7.500 Km

    4

    Jiadhal dyke from Basin to Rly. line

    16.20 Km

    9.209 Km

    5

    Flood protection of Dhemaji area on L/B of Jiadhal river (Tinigharia to Rly. line)

    6.23 Km

    6.23 Km

    6

    Kumatiya R/B from Nepalibasti to Gurathali Chapori

    19.60 Km

    19.60 Km

    7

    Kumatiya L/B from NH-52 to Gurathali Chapori

    10.70 Km

    10.70 Km

    8

    M/E along L/B of  Gainadi U/S of Rly. line from Rly. line to Barutigaon.

    6.60 Km

    6.60 Km

    10

    M/E along L/B of Gainadi D/S of NH-52

     

    6.50 Km

    6.50 Km

    11

    M/E along R/B of Gainadi U/S of Rly. line from Rly. line to Nilakh

    7.00 Km

    7.00 Km

    12

    M/E along R/B of Gainadi D/S of NH-52

    7.318 Km

    7.318 Km

    13

    Moridhal dyke from Sarukacharigaon to Sissikalghar

    29.24 Km

    29.24 Km

    14

    M/E along R/B of Silley in Jonai Civil Sub-Division from Leku CPWD bridge to Bahir Silley

    8.10 km

    8.10 Km

    15

    Na-nadi R/B embankment

    2.235 Km

    2.235 Km

    16

    Blind dum at Rongpuria (Simen river L/B)

    1.40 km

    1.40 Km

     

    Total =

    179.072 Km

    151.706 Km

     

    Contact Details :

    Office Address :

    Office of the Executive Engineer, Dhemaji W.R. Division

    P.O.-Dhemaji

    Dist- Dhemaji Pin- 787057 (Assam)

    Contact Us :

    E-mail : waterresources.dhemaji@gmail.com

    Phone : 7896966236

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