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Busan Metropolitan City Institute of Health & Environment Replaces River Water Quality Automatic Monitoring Systems to Strengthen Real-Time Surveillance Capacity

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The Busan Metropolitan City Institute of Health & Environment (hereinafter referred to as the Institute) announced that it has completed a project to replace outdated equipment and reconstruct the River Water Quality Automatic Monitoring System, which conducts real-time monitoring of water quality in major urban rivers across Busan.

The River Water Quality Automatic Monitoring System is designed to monitor water quality in real time through sensors installed in rivers and to enable rapid responses to pollution incidents. Since first launching operations at five locations, including Oncheoncheon and Suyeonggang, in 2013, the Institute currently operates a total of 13 monitoring networks.

The monitoring networks conduct real-time observation of rivers to identify changes in aquatic environmental characteristics and contribute to cause analysis and preventive measures in the event of river pollution incidents such as fish kills.

This project was carried out to improve the reliability of data from monitoring networks that had been in operation for more than 10 years and had become outdated, as well as to reduce maintenance costs. Over a two-year period starting in 2024, a total of 12 locations were reconstructed.

In particular, the project included adjustments and expansions of monitoring points to address existing operational issues and maximize monitoring efficiency. At Samnakcheon, where fish kills occur frequently, the monitoring system was relocated, while at Dongcheon, where public interest is high, the number of monitoring points was expanded from one to two, establishing a denser monitoring system.

The measured real-time water quality information is immediately disclosed to citizens through electronic display boards installed on site and is expected to contribute to early detection of water pollution incidents such as fish kills, enabling swift responses.

Lee Yong-ju, Director of the Busan Metropolitan City Institute of Health & Environment, stated, “With this system replacement, the accuracy of water quality data for urban rivers has been significantly improved,” adding, “We will continue to closely monitor the water quality of urban rivers that citizens frequently visit and make every effort to create waterfront spaces where people can stay with peace of mind.”