Conservation
and cleaning of river Ganga is a continuous and collective effort of Central
Government, State Governments, Local bodies and general public.
Under
Namami Gange Programme a holistic approach has been adopted to clean the river
Ganga. The various types of pollution abatement schemes taken up to clean Ganga
may be categorized into core and non-core schemes. Core schemes include
Interception and Diversion (I&D) of sewage discharging into the Ganga and
creating treatment infrastructure to treat the intercepted sewage. Non-Core
schemes include providing Low Cost Sanitation (LCS) at community and individual
levels at identified locations, installation of Crematoria (electric as well as
wood based improved crematoria), River Front Development(RFD) including
bathing ghats, river surface cleaning, afforestation, protecting biodiversity
and creating public awareness and participation.
Water
quality monitoring of river Ganga in five states is carried out on monthly
basis by respective State Pollution Control Boards (SPCBs). The annual
variation in water quality parameters does not indicate any sustained
improvement or degradation in water quality and the long term trends only can
show the improvement or degradation in water quality.
The
four stretches of river Ganga where Biological Oxygen Demand (BOD) levels are
more than permissible limits, as monitored by CPCB, is given in table below.
|
State
|
Stretch
|
Identified
Length of stretch (km)
|
BOD
range/ max value (mg/l)
|
|
Uttarakhand
|
Haridwar
to SultanpurAdampur
|
10
|
4.2-5.8
|
|
Uttar
Pradesh
|
Kannauj
to Varanasi
|
450
|
3.8-16.9
|
|
Bihar
|
Buxar
to Bhagalpur
|
40
|
7.8-27
|
|
West
Bengal
|
Tribeni
to Diamond Harbour
|
50
|
3.1-5.8
|
In other stretches, BOD levels are within permissible limit
i.e = <3mg/l. However, as per monitoring reports of CPCB, entire stretch of
river Ganga has high levels of faecal coliform against the prescribed
standard.
This
information was given by Union Minister of State for Water Resources, River Development
and Ganga Rejuvenation Shri Vijay Goel in a written reply in Lok Sabha today.
Samir/jk
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