In the northern Gyeonggi Province, heavy rain caused the water level at the Imjin River Pilsung Bridge to exceed 1 meter, the criteria for 'evacuating river visitors,' at 5:30 a.m. on the 14th. Yeoncheon County issued an evacuation order for residents.
Yeoncheon County stated in a disaster text message sent around 5:41 a.m. that the water level at Pilsung Bridge is above 1 meter and that the Imjin River level is rising, urging 'river visitors, campers, fishermen, and local residents to evacuate quickly to a safe place.'
Pilsung Bridge is located at the southern boundary of the Imjin River in the northernmost area. At 7:10 a.m. on that day, the water level was recorded at 1.16 meters. The water level of the Imjin River also influences rainfall in North Korea along with the precipitation in the northern Gyeonggi Province.
The water level at the Gunham Flood Control Dam, located about 10 kilometers downstream from Pilsung Bridge, was 23.490 meters at 5:50 a.m. on the 13th, but it reached 27.625 meters at 7:10 a.m. on that day.
The Imjin River basin is managed in four stages according to the water level at Pilsung Bridge. If the level exceeds 1 meter, an evacuation order for river visitors is issued; at 2 meters, an evacuation for non-flood emergencies is called; at 7.5 meters, an awareness stage for crisis response in border areas; and at 12 meters, a caution stage for crisis response in border regions is enacted. The planned flood level for the Gunham Flood Control Dam is 40 meters.