Newsletter No. 62;
IRBMS
the city in the improvement of waste water course. It originated from Bhutan Himalyas and
infrastructure for two million inhabitants of known as the Wang Chhu. The total length of the
Vrishabhavathi valley’s dist. It will build a new main river is 370 KM. In its upper reaches it is also
waste water treatment plant of 1,50,000m 3 /day, known as the Thimphu Chhu in Bhutan. It
assist rehabilitation of an existing plant of plant of traverses through its mountainous terrain and the
1,50,000m 3 /day and will also build sewage sludge main river is a rapid stream, running over a bed of
recycling & recovery plant, coming from these two large boulders when it comes back to the plains of
plants. India in Jalpaiguri district and nearby localities.
At Tashichho Dzong the bed of the river is about
The rapid urban rise in the city, combined with the 2,121 metres (6,959 ft) above mean sea level and at
development of business activities has led to an the point of its exit in the Dooars its elevation is
explosion of the demand for drinking water supply only 90 metres (300 ft) MSL.
and
sewage
disposal.
The
common
sludge
treatment plant for the two treatment plants will
be equipped with SUEZ’s Degremont technologies
that will recover into electricity the biogas
produced in order to make the plant self-sufficient.
An important tributary of the Raidak River is River
Torso which originates from the Chambi Valley of
Tibet and it is known as the Machu there. The river
then travels through Bhutan as Amo and then
again enters India, Bangladesh and finally meets
the Raidak River. It reaches into the plains
(Source: UN Water News)
in Jalpaiguri district of India and then flows
RIVERS OF INDIA
Brahmaputra River
Tributaries of River Brahmaputra
through Cooch Behar district in West Bengal. The
Raidak meets with the Brahmaputra in Kurigram
District in Bangladesh, where
it
is
known
as
Dudhkumar River.
Part- 3
The tributaries of the Brahmaputra River are some
of the major rivers of NE India, some of which are
The Chukha hydel project 336MW, on the Raidak
River, is one of the largest single investments
undertaken in Bhutan; it was built by India on a
as follows:
The Raidak River: is one of the major right bank
tributaries of the Brahmaputra River in the lower
turnkey basis.
Sankosh River: rises in N. Bhutan and then flows
5
Integrated River Basin Management Society