Pothundi Dam is an irrigation dam near Pothundi village in the Palakkad district of Kerala state, India. Constructed in the 19th century, it is considered one of the oldest dams in India. It provides irrigation to an area of 5,470 hectares in the Palakkad district and drinking water supply to the Nemmara, Ayalur, Melarcode Panchayat. An unusual feature of the earth dam is the core wall, which is built with a mixture of jaggery and quick lime. A popular festival held on the shores of the reservoir is known as the Nemmara Vallengi Vela Festival. The dam, built in the 19th century for irrigation, was developed as a medium irrigation project completed in 1971 at a cost of Rs.23.425 million.The dam also provides water supply, and the reservoir has been developed as an important inland fisheries project
