Four members from the Central Pollution Control Board (CPCB) on Saturday visited the polluted Varthur lake to check the quality of water, reported Deccan Hearld. For the last few days, media had been persistently reporting of the toxic foam eminating from the lake.The officials collected samples from the water to assess the level of pollution in the lake, based on which a report would be prepared with in three to four weeks, an official said.“The report will include the contamination level and chemicals present in the sample. It will be submitted to CPCB, Delhi, and the authorities there will decide the next course of action,” S Suresh, an official from CPCB was quoted by the paper.P C Mohan, Lok Sabha member from Bengaluru Central, blamed the Bangalore Development Authority for the condition of the lake and not setting up a sewerage treatment plant.Read more: Foaming Bengaluru lakes is just tip of iceberg, the problem runs much deeperIn spite of alarm over lakes spewing frothy sewage, Bengaluru authorities sleep