Envis Centre, Ministry of Environment & Forest, Govt. of India
Printed Date: Tuesday, April 23, 2024
Valapattanam
|
Basin area, km2
|
:
|
1867
|
|
Basin area in Kerala State, km2
|
:
|
1321
|
|
Basin area in neighbouring State, km2
|
:
|
456 (Karnataka)
|
|
District of Kerala in which basin are located
|
:
|
Kannur
|
|
Origin of River
|
:
|
Brahmagiri Elevation. m : 1350
|
|
Length of main stream, km
|
:
|
110
|
|
Main tributaries
|
:
|
Srikandapuram, Valiapuzha, Venipuzha, Aralampuzha
|
|
Important raingauge stations marked on the map(with code numbers)
|
:
|
1. Kannur (1)
2. Irikkur (2)
|
|
Average annual stream flow (computed), Mm
|
:
|
4779
|
|
Average annual rainfall, mm
|
:
|
3600
|
|
Important discharge stations marked on the map (with code numbers)
|
:
|
1. Kuiloor (1)
2. Pala (2)
|
|
Water requirement for wetland for three crops, Mm3
|
:
|
240
|
|
Water requirement for gardenland , Mm3
|
:
|
91
|
|
Water requirement for domestic use (2021 AD), Mm3
|
:
|
82.4
|
|
Water requirement for industrial use (2021 AD), Mm3
|
:
|
90
|
|
Existing major/medium irrigation project(commissioned/ partially commissioned
|
:
|
Pazhassi
|
|
Major/Medium irrigation project investigated
|
:
|
Aralam
|
|
Proposed Hydroelectric Project
|
:
|
Barapole
|
|
Navigate length of river, km
|
:
|
44.8
|
(Note: Valapattanam River is the largest river in the Kannur district, located in the South Indian state of Kerala.)