A method for managing a waterworks pipe network according to an embodiment of the present invention comprises: setting a subcatchment in a waterworks pipe network that is divided into unit blocks and inputs data including water pipes and valves in the unit block; Displaying a moving direction on the tap water network diagram, analyzing the constant moving direction, displaying a valve capable of stopping constant movement in the subcatchment, and selecting a valve to be blocked among the displayed valves; It may include a notification step of notifying the operation information to the customer to be cut off by the valve to be blocked.
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