Drought in Japan triggers water supply restrictions at multiple dams

Severe rainfall shortages in Japan are causing critical water level drops in several dams, leading to restrictions on agricultural and municipal water supplies.

In Miyazaki Prefecture, the Hamonose Dam in Kobayashi City has seen its reservoir level fall to 23%. Consequently, water distribution to rice paddies is scheduled to cease sequentially starting September 5. This measure affects approximately 930 households and 430 hectares of rice fields across the Kobayashi and Ebino areas, causing significant concern among farmers during the crop growth period.

In Oita Prefecture, the Yabakei Dam is facing a similar crisis. As of August 25, the reservoir level stood at 35.4%. The Yamaguni River office has already implemented water intake restrictions—the first in eight years—affecting water supplies for domestic, industrial, and agricultural use. If rainfall does not occur, the reservoir level is projected to drop below 20% by early September and could reach 0% by approximately September 11. Nakatsu City officials are considering measures such as reduced-pressure water supply and the establishment of water distribution points if conditions worsen.