Chao Phraya Dam

The Chao Phraya Dam (เขื่อนเจ้าพระยา,, ) is a barrage dam in Sapphaya district, Chai Nat province, Thailand. It regulates the flow of the Chao Phraya River as it passes into lower central Thailand, distributing water to an area of 11600 sqkm in seventeen provinces as part of the Greater Chao Phraya Irrigation Project. The dam has sixteen 12.5-metre gates. It was built between 1952 and 1957.