national wetland atlas assam - Ministry of Environment and Forests

7.1.9 Marigaon
The district is situated in the Central Brahmaputra valley of Assam between 26 o 00' N and 26 o 40'N latitudes and
91 o 59'E and 92 o 35'E longitudes. It occupies 1, 91,100 hectares of area. It is bounded on the east by Nagaon
district,on the west by Kamrup district, on the north by Darrang district and south by Karbi Anglong.district. The
topography of the district is almost flat plain.The Brahmaputra river flows on the northern side of the district. The
flood plain along the river Brahmaputra and its tributaries suffer from regular floods during the rainy season. The
other major rivers are Kapili, Kalang, Killing and Barapani. The rivers flowing through the district are all perennial
in nature. A number of ox-bow lakes and ponds also exist in the district. Besides, there are many low lying areas
and swamps. The soils of the district vary from sandy to clay loam and acidic to near neutral in nature. The
normal rainfall in the district is 2000 mm. The average minimum and maximum temperatures are 8 o C (in
January) and 34.3 o C (during July/Augus) respectively. As per Census Report, 2001, the district has a total
population of 7, 76,256
Total wetland area in the district is 28737 ha that includes 158 small wetlands (