Residents in Bengaluru's KSFC Layout are concerned after discovering sewage sludge in their drinking water, leading over 30 families to stop using tap water. Multiple households have reported illnesses, including stomachaches and diarrhea, prompting them to seek alternative water sources. Residents have alerted the Bangalore Water Supply and Sewerage Board (BWSSB) and are urging authorities to identify and resolve the contamination source to restore safe drinking water.