Sewer overflow is likely in areas around sewage treatment plant in Nesapakkam as Chennai Metrowater is taking up an interconnection work for two days from Wednesday. The work would be carried out between 10 p.m. on Wednesday and 10 p.m. on Friday as part of sewer network improvement project. West Mambalam, Ashok Nagar, Saidapet, K.K. Nagar, Nesapakkam and parts of Guindy, Ekkaduthangal and MGR Nagar – may be affected. Residents may contact Area Engineer VIII (7845061908) and Area Engineer IX (7845061909) for redressal.