(a) whether the Yamuna river is being polluted due to disposal of sewage in it from
large number of colonies Delhi through Najafgarh drain;
(b) if so, the details thereof;
(c) whether the Government has made a comprehensive evaluation of the previous
projects before implement Interceptor Sewer Scheme in Delhi under Clean Yamuna project;
and
(d) If so, the details thereof along with the reaction of the Government in this
regard?
MINISTER OF STATE (INDEPENDENT CHARGE) FOR ENVIRONMENT AND FORESTS (SHRIMATI JAYANTHI
NATARAJAN)
(a) & (b) As per the report of Central Pollution Control Board (CPCB) , Najafgarh drain
carries a total flow of over 2064 million litres per day (mld) of sewage including the
discharge of its 38 tributary drains.
(c) & (d) Yes, Sir. Delhi Jal Board has informed that after detailed evaluation and
assessment of the existing infrastructure they have opted for the implementation of
Interceptor Sewer of 59.0 kilometres length along the three major drains namely,
Najafgarh, Supplementary and Sahadra.