To “pre-release” verification at dams nationwide on lesson of typhoon 19 November 26 19:03
Lessons learned from the heavy rain disaster caused by Typhoon No.19, the government will hold a meeting of related ministries to strengthen the dam's flood control function, and the secretary of chief will release water in advance and lower the water level for dams nationwide. We inspected whether "pre-release" can be performed and instructed to prepare a system for heavy rain.
In response to the heavy rain disaster caused by Typhoon No. 19, the government held the first meeting of the directors of the relevant ministries and agencies at the prime minister's office, saying that it was necessary to strengthen the flood control function by the dam. .
In the heavy rain caused by Typhoon No. 19, dams centered on the Kanto and Tohoku areas were used to control the amount of water discharged downstream, but damage such as flooding of rivers occurred over a wide area. did.
During the meeting, the secretary of the secretary said, “In Japan, there are about 560 multipurpose dams under the jurisdiction of the Ministry of Land, Infrastructure, Transport and Tourism, as well as about 900 water use dams for electricity and agriculture. Of these, only 30% of the flood control capacity can be used for flood control.
Based on that, in light of the recent drastic flooding, the dam operation will be verified and the flood control function will be strengthened at an early stage, and water will be discharged in advance if a flood risk is anticipated for dams nationwide. We then inspected whether we can perform “pre-release” that lowers the water level, and instructed to prepare a system for heavy rain.