New Delhi: The Delhi Government has decided to take up the comprehensive development of river Yamuna, which will include harnessing of river’s water and beautification of the expanse crossing Delhi. A critical part of this initiative is to ensure abatement of pollution in the river Yamuna. These aspects were reviewed by the Lt. Governor Sh. Najeeb Jung in a meeting held on 23 June, 2014, in which plans for holistic development of river Yamuna and efforts to fast-track all activities pertaining to its development were discussed.
The essential work to check pollution lies with the DJB, which apart from providing best available water and waste water services, endeavors to provide universal access to sewerage services, to collect the entire sewerage generated in the city, treat it to the required standards, and finally dispose off the treated effluent without affecting the environment.
Due to the major expansion of the city, with its more than 1600 unauthorized/ regularized colonies, 189 rural villages and its extension, more than 1000 JJ clusters, sewerage facilities could not be provided in many areas due to legal and institutional constraints. Consequently, untreated sewage is being discharged into storm water drains and through them into the river Yamuna, thereby, polluting it. Presently, there are 22 drains carrying waste water, solid waste and industrial effluents etc., that get discharged directly into the Yamuna.
To address this issue and reduce pollution in the Yamuna, the DJB has undertaken a comprehensive scheme of "Interceptor Sewer Project" through which all the drains, which are contributing pollution in the river, shall be trapped as under
Laying of interceptor sewer in a length of 59 Kms along the three major drains (Supplementary, Najafgarh and Shahdara) to intercept sewerage from around 190 subsidiary small drains and convey it to the nearest Sewage Treatment Plant (STP) to ensure that only treated effluent is discharged into these major drains. Around 70% of pollution load in the river shall be reduced by this effort.
The already existing interceptor sewer between Aruna Nagar JJ Cluster up to the outfall of Khyber Pass drain, which intercepts untreated sewage from Sweeper Colony, Magazine Road and Khyber Pass drain, is partially functional. It will be made fully-functional by June 2015. The discharge intercepted from these drains shall be pumped to Nigam Bodh SPS and taken to the existing Okhla STP, which has a total treatment capacity of 170 MGD.
Metcalf House, Qudsia, Mori Gate, Tonga Stand, Civil Military drain shall be intercepted into the existing Ring Road trunk sewer which has recently been rehabilitated under Yamuna Action Plan-II. The sewage collected from these drains shall be pumped to Okhla STP through Ring Road SPS. This work shall be completed by June 2015.
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