BENGALURU: On receipt of complaints from some of the developers with regard to (substandard) quality of treated water by apartments in their Sewerage Treatment Plants, officials concerned of Bangalore Water Supply and Sewerage Board (BWSSB) are contemplating on adopting Zero Bacteria technology of the Indian Institute of Science, Bengaluru for superior quality water reuse. Speaking at a workshop on Water and Wastewater Management, Air Quality in Bengaluru, Chairman of BWSSB Dr Ram Prasath Manohar on Tuesday told the audience, as per National Green Tribunal’s order, most complexes have installed Sewerage Treatment Plants and the treated water is commonly used by residents for gardening, cleaning and even resale (used in construction works) and some developers raised doubts over the conventional secondary treatment in STPs.By adopting zero bacteria technology, he said, it would produce treated water of superior quality than the conventional secondary treatment.Noting their concerns, the Chairman stated the consideration of adoption of Zero Bacteria technology by BWSSB to enable broader reuse of treated water and ensure safer applications across residential complexes.Bengaluru generates about 1,300 million litres of treated water daily, he said and asked the scientist community to support solutions for both drinking water and wastewater treatment. Of the 1,300 mld of treated water, Dr Manohar said BWSSB supplies 60 lakh litres of treated water daily to information technology park air conditioning systems.Dr Manohar stressed on the need for innovative solutions to address future challenges as far as water use is concerned.The workshop was attended by IISc Prof L.N. Rao, IISc Dean Prof G.K. Anantha Suresh among others.
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