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