Newsletter No. 64;
IRBMS
coliform count (TCC) much higher than the watershed area of about 12,540 square kilometers.
permissible level of 500. Near Baharampore in The river channel is highly influenced by tectonic
Murshidabad district, TCC in the Ganges was 1.10 activity and climate. It originates from Pahunri
lakh in October 2015. In Dakhineswar in North 24 glacier, 7,068 meters above the mean sea level, it
Paraganas district, it was 4 lakh, and at Shivpur in flows southward through gorges and rapids in the
Howrah district, 2.80 lakh. At Garden Reach in the Sikkim Himalaya. The river merges with rivulets,
southwestern part of Kolkata, the TCC in the which arise in the Thangu, Yumthang and Donkia-
Ganges was 2.40 lakh. La ranges. It then traverses through the Rangpo
The condition of rivers in north Bengal was not town, where it forms a boundary line between
much different. While TCC in the Mahananda river Sikkim and West Bengal, up to Teesta Bazaar.
near Siliguri was 14,000, the Teesta recorded a TCC Teesta River at the Teesta Suspension Bridge, the
of 7,000 in Siliguri. The Karola river passing river meets its main tributary, Rangit River from
through Jalpaiguri town and the Kaljani river at where
Alipurdar both had a TCC of 14,000 per 100 ml. southwards towards West Bengal. The river
The Damodar river at Asansol in Paschim approaches the plains at Sevoke and then moves
Bardhaman district (90,000), the Barakar river at towards Jalpaiguri. It reaches Rangpur district of
Tarapith in Birbhum district (17,000 TCC), the Bangladesh before surrendering itself to the
Kansai Brahmaputra River at Fulcherry.
river
in
Paschim
Medinipur
district
(17,000), and the Dwarka at Tarapith (3,400).
it
changes
its
direction
and
flows
There are at least 26 projects on the river mostly in
Sikkim, aimed at producing some 50,000MW.
RIVERS OF INDIA
Brahmaputra River
Tributaries of River Brahmaputra
Rangit III hydroelectric Project is on Greater
Rangit River, which is a tributary of Teesta River.
The Teesta-V dam is on Teesta River, with a height
of about 87 meters and length of about 176 meters,
Part- 5 the dam generates about 510 megawatt of
Teesta River: Teesta River, a tributary of hydroelectric power. The other projects are on
Brahmaputra River is a trans-Himalayan river Teesta River are Lower Lagyap, Upper RongniChhu
flowing through the Indian states of Sikkim and and MayangChhu projects.
West Bengal and then entered in Bangladesh. The Teesta water sharing disp ute is a very
Teesta River is about 309 kilometers long with an important diplomatic issue between India and
5
Integrated River Basin Management Society