NDMC to set up decentralised sewage treatment plants in schools | delhi | Hindustan Times
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NDMC to set up decentralised sewage treatment plants in schools

The New Delhi Municipal Council has identified 12 schools where decentralised sewage treatment plants (of varying sizes, depending on available areas) will be set up. Treated water from these plants will be used for horticulture in nearby green areas.

delhi Updated: Jul 20, 2016 22:43 IST
Ritam Halder
The New Delhi Municipal Council has identified 12 schools where decentralised sewage treatment plants (of varying sizes, depending on available areas) will be set up. Treated water from these plants will be used for horticulture in nearby green areas.
The New Delhi Municipal Council has identified 12 schools where decentralised sewage treatment plants (of varying sizes, depending on available areas) will be set up. Treated water from these plants will be used for horticulture in nearby green areas.(Hindustan Times)

The New Delhi Municipal Council has identified 12 schools where decentralised sewage treatment plants (of varying sizes, depending on available areas) will be set up. Treated water from these plants will be used for horticulture in nearby green areas.

According to NDMC chairperson Naresh Kumar, the council is working closely with NEERI (National Environmental Engineering Research Institute) to implement this plan. NEERI has patented the Phytorid technology, which uses an ecological method to treat water using specific plants, gravel, sand, soil and rocks as different layers, he said.

“Many STPs based in India are working successfully on this technology. We wanted to see the Phytorid technology in action. So we visited two sites in Delhi – one at Wapcos, Gurgaon and other site at Basava International School, Dwarka,” Kumar told Hindustan Times.

“The treated water is being utilised for maintaining the greenery around the office premises in Wapcos, whereas in Basava International School, treated water is utilised to maintain plants along the playground,” he added.

The operational cost in the phytorid system of treatment is less and the treated effluent is used for gardens, fountains and irrigation.

According to Kumar, considering constraints of lack of space, the only option left with the NDMC is to go in for small decentralised STPs in its area.

The NDMC had earlier decided to construct decentralised sewage treatment plants on Public-Private-Partnership (PPP) model at 10 locations in various areas of Central Delhi. The decision was taken at a council meeting chaired by Chief Minister Arvind Kejriwal.

“In March it was decided to construct decentralised sewage treatment plants in NDMC area at 10 locations with the different capacity of treating sewerage water. We have already invited reputed firms for selection as concessioner developers to develop 100 to 500 KLD capacity sewage treatment plants, including operation and maintenance of 12 years,” a senior council official said.

According to the NDMC chairman the tendering has been done and the evaluation process is on. “The work for these STPs will be awarded soon,” Kumar said.