The Department of Disaster Prevention and Mitigation (DDPM) issues a warning "Tha Thung Na Dam" has increased water discharge and advises residents along the Kwae Yai River in Mueang District, Kanchanaburi Province to monitor water levels and move belongings to higher ground.
On 19 October 2026 at approximately 18:37, the Department of Disaster Prevention and Mitigation (DDPM) issued a warning regarding "Tha Thung Na Dam" which has increased water discharge from the original 35 million cubic meters per day to 40 million cubic meters per day (a rate of 463 cubic meters per second). Combined with inflows from Huai Lam Tapoen stream into the Kwae Yai River, this is expected to raise the river level by about 0.5 to 1 meter above current levels.
Residents and business operators living in low-lying areas along the Kwae Yai River in Mueang District, Kanchanaburi, are urged to prepare by moving belongings to higher ground, relocating vehicles, securing valuables and important documents, being cautious of electrical hazards, securing floating rafts firmly, removing obstructive aquatic plants to prevent rafts from drifting, and closely following official updates.
Meanwhile, the DDPM, in cooperation with mobile network providers AIS, True, and NT, has sent alert messages via Cell Broadcast to people living along the Kwae Yai River in Mueang Kanchanaburi District about the increased discharge from Tha Thung Na Dam. Those needing assistance can contact district officers, village heads, local government leaders, community heads, or the DDPM emergency hotline at 1784, available 24 hours.
In Nong Bua Subdistrict Municipality, Mueang District, Kanchanaburi, where the Kwae Yai River flows through, Sergeant Major Preeda Thongbai, the mayor, has mobilized municipal executives, council members, and staff to fill sandbags and place them as a barrier around the Nong Bua community's raw water pumping station to continuously monitor and prevent floodwaters from entering the facility.
Additionally, water levels are being reported every 30 minutes. Preparations are underway to deploy sandbags and assist affected residents promptly to prevent disruption of water supply production and avoid impacts on community water use.