A team of officials from various government departments demolished 50 dyeing units functioning illegally in Kumarapalayam on Thursday. These dyeing units were discharging untreated effluents into River Cauvey. Two special teams led by T. Jayalakshmi, District Environment Engineer, TNEB, Kumarapalayam, and Malaiyandi, flying squad engineer, TNEB, Erode, conducted surprise checks and demolished the units. Baskaran, RDO, Tiruchengode, and S. Shanmugam, DSP, monitored the operation.