Possibility of emergency release of Kanto 4 Dam Risk of flooding in Kanagawa Tochigi

Due to the heavy rain accompanying the approach of Typhoon No. 19, the water level of the dam rises, and there is a possibility that emergency discharge will be carried out at four dams in Kanto in order to secure the function of the dam. Flooding may occur in Kanagawa and Tochigi prefectures downstream.

Emergency discharge is called emergency flood disaster prevention operation, and unlike normal discharge, when it is assumed that no more water can be stored in the dam, a large amount of water flowing into the dam is flowed downstream. .

Kanagawa Prefecture

According to Kanagawa Prefecture, the water level of the Sagami River and the river flowing into the Sagami River suddenly rises due to the emergency release of the Shiroyama Dam in Midori Ward, Sagamihara City, and there is a risk of large-scale flood damage.

Kanagawa Prefecture is going to inform them one hour before the emergency release,
▽ Sagamihara City
▽ Hiratsuka City,
▽ Chigasaki City,
▽ Atsugi City
▽ Ebina City
▽ Zama City,
▽ Samukawa Town,
▽ We call on the people who live in Aikawa Town to take action to protect their lives.

Tochigi Prefecture

In Nikko City, Tochigi Prefecture
▼ Kawamata Dam is after 10pm,
▼ Kawaji Dam may start emergency discharge from around midnight on the 13th.

In Utsunomiya City and Sakura City, which are downstream of Kinugawa River, urgent caution is urged to take action to protect lives as there is a risk of flooding.

The Ministry of Land, Infrastructure, Transport and Tourism announces that it will be announced three hours before the implementation.

Saitama prefecture Gunma prefecture

The Shimokubo Dam on the border between Saitama Prefecture and Gunma Prefecture may start emergency discharge from around 1 am on the 13th.

We are calling on the inhabitants of Fujioka City, Gunma Prefecture, Takasaki City, Kamikawa Town, Saitama Prefecture, and Kamisato Town in the Kanryu River basin, which are downstream, to be aware of low land inundation.

The Ministry of Land, Infrastructure, Transport and Tourism announces that an emergency release will be announced three hours before implementation.