PURPOSE: A leakage section detector and a leakage section detecting system for drain/supply pipes of waterworks are provided to rapidly repair water leakage by informing water leakage of an administrator. CONSTITUTION: A leakage section detecting system for drain/supply pipes of waterworks comprises a leakage section detector(1). The leakage section detector is attached to a drain/supply pipe net. The leakage section detector collects data and determines the leakage based on the data. The data determined as water leakage is delivered to a management room. The management room additionally analyzes data and repair water leakage.
