Related to the storage of basic physical surveillance, such as collecting information related to equipment supply water pumping system Remote control equipment Equipment monitoring system monitoring water leakage in the surveillance area, such as equipment contractor main line pipe, pressure water gate. Gate installed in the surveillance area. And the information age the device usage. By analyzing the data the relationship between pore water pressure and water loss incurred (N1) and value index shows the condition of space surveillance (ICF) for use in and think the balance of water. The economics to reduce water loss.