CBP Training Seminar No.11 “Preparation of Water Balance by International Water Association (IWA) Method” was implemented on 24/06/2021 at 14:00 PM in Sorgun Municipality with the participation of 9 people in total. During the training seminar, notions of non-revenue water and water balance, establishing the water balance in accordance with the IWA method, combating against physical leakages and combating against financial and administrative leakages were explained.