The present invention efficiently collects and manages the water quality data of groundwater averaged vertically at major observation points in each region to predict changes in water quality and characteristics of groundwater, And more particularly, to an observation facility for collecting and transmitting water quality data for each depth of water set and installed at at least one observation target site, and more particularly, to an automatic water quality measurement and monitoring system for depth water of a groundwater. And a control server connected to the at least one observation facility through a communication network to transmit and receive data and to store and manage collected data of the observation target point transmitted from the observation facility.;
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