of the locality were too old but we have replaced most of them we have also started supplying water through the new lines but supply of old lines is yet to be disconnected many residents are drawing water from old pipelines to evade water bills we will be disconnecting water supply through old lines soon he added that the contractor constructing sadar flyover had damaged the main pipeline many times leading to supply of contaminated water in many parts of sadar and gaddigodam areas to a query the spokesperson claimed that ocw is regularly testing water samples the water quality will be assessed again at regional public health laboratory he said dr sunil ghurde health officer epidemic in nmc claimed that the health department has not received any major complaints regarding residents suffering from jaundice in such large numbers he added that a survey will be carried out on friday