Decrease in Paldang Dam Discharge
The Hangang Bus, which had temporarily suspended operations due to heavy rainfall in the Seoul and Gyeonggi regions, will resume normal service in both directions starting with the first departure at 11 a.m. on September 21. A total of 14 trips are scheduled for the day.
The Seoul Metropolitan Government announced the resumption of normal operations to citizens through the Hangang Bus website (www.hgbus.co.kr), Kakao Map, and other mobility platforms. A city official stated, "As of September 21, the discharge from the Paldang Dam has decreased to below 3,000 tons per second, which has lowered the water level at Jamsu Bridge, securing a clearance that exceeds the Hangang Bus bridge passage standard of 7.3 meters."
The official added, "After a comprehensive inspection of the docks and other operational facilities, we decided to resume service," and continued, "We will take extra precautions to ensure there are no disruptions in both directions, especially during sunset and other times when high usage is expected over the weekend."
The suspension of Hangang Bus operations the previous day was in accordance with the Seoul Metropolitan Government's '2025 Disaster Safety Action Guide for Flood Season.' According to these regulations, when the discharge from Paldang Dam exceeds 3,000 tons per second, the operation of all vessels (both powered and non-powered) on the Hangang River is prohibited. Operations are also restricted if the water level at Jamsu Bridge falls below the Hangang Bus bridge passage standard of 7.3 meters. Over the past two years, the average number of days when vessel operations on the Hangang River were suspended due to Paldang Dam discharge exceeding 3,000 tons per second was 10 days per year, while this year, the total is five days. Real-time discharge data from Paldang Dam and the water level at Jamsu Bridge can be checked on the Hangang Flood Control Office website (www.hrfco.go.kr).
Park Jinyoung, head of the Future Hangang Headquarters at the Seoul Metropolitan Government, stated, "We will continue to monitor the water level of the Hangang River and operate the Hangang Bus with citizen safety as our top priority."
On the 18th, the Hangang Bus, which began full-scale operations, is passing under the Jamsu Bridge in Seoul. 2025.09.18 Photo by Yoon Dongju
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