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| Last Updated:: 15/02/2022

Manimala

  

Basin area, km2

:

847

Basin area in Kerala State, km2

:

847

District of Kerala in which basin are located

:

Kottayam, Pathanamthitta

Origin of River

:

Tatamala Elevation. m : 1156

Length of main stream, km

:

90

Main tributaries

:

Kokayar & Elakkalthodu

Average annual rainfall, mm

:

3300

Average annual streamflow, Mm3

:

1560.74

Important rainguage stations marked on the map (with code numbers)

:

1.     Changanacherry (1)

2.     Thiruvalla (2)

Important discharge stations marked on the map(with code numbers)

:

1.     Manimala (1)

2.     Thondara (2)

Water requirement for wetland for three crops, Mm3

:

378

Water requirement for gardenland , Mm3

:

24

Water requirement for domestic use (2021 AD), Mm3

:

85.60

Water requirement for industrial use  (2021 AD), Mm

:

90

Navigable length of river, km

:

54.4

 

(Note:. It is an important water way of Central Travancore. Rising in the hills of Kottayam-Idukki ranges, the river flows through the midland plains and joins with Pampa and Manimala junction. The river offers a beautiful view at this spot and flows swiftly striking against the many rocks in the river.)