2024-12-25 00:00:00 Sigap Tunjung is a customer application for Perumda Air Minum Tirta Bumi Serasi, Semarang Regency, which is an application to make it easier for customers to obtain water billing information, send customer complaints, information on service disruptions and other information related to Perumda Air Minum Tirta Bumi Serasi, Semarang Regency.