Department of Public Health Engineering (DPHE), Bangladesh

is responsible for providing safe drinking water and sanitation services, excluding the cities of Dhaka, Narayanganj, and Chittagong, which are managed by their own water authorities. It has been pivotal in improving public health through its extensive water supply and waste management projects. The department focuses on rural and urban areas, ensuring access to clean water and proper sanitation facilities. DPHE also plays a critical role in emergency response during natural disasters by maintaining water and sanitation services.