Safety
Chao Phraya Dam Increases Discharge; Low-lying Areas in Ayutthaya on Alert
The Royal Irrigation Department is increasing water discharge from the Chao Phraya Dam to manage rising northern runoff, prompting flood warnings for low-lying areas.
According to a report by Prachachat Business on August 27, 2026, the Royal Irrigation Department is closely monitoring northern water runoff flowing into the Chao Phraya River basin. Authorities project that by August 28, 2026, the C.2 station in Nakhon Sawan will record a flow of 1,000–1,100 cubic meters per second. This influx is expected to raise water levels above the Chao Phraya Dam to between 1,100 and 1,200 cubic meters per second.
In response, the dam is preparing to adjust its discharge rate to approximately 700–1,000 cubic meters per second while diverting water into irrigation systems on both banks. Residents and travelers in low-lying areas of Ayutthaya province are advised to remain vigilant and monitor local water levels, as increased discharge can lead to localized flooding in riverside communities.
While these measures are intended to manage the flow systematically, the exact impact on specific riverside locations remains to be confirmed. Those currently in or planning to visit Ayutthaya should stay updated through official announcements from the Royal Irrigation Department or local provincial authorities, as conditions may change depending on rainfall and further upstream water management decisions.