Tilaiya (also spelt Tilaia) (Hindi: ) is a town in Koderma district in the Indian state of Jharkhand. Tilaiya is located at 241909N 853147E / 24.3192200N 85.5296900E / 24.3192200; 85.5296900. Tilaiya Dam was constructed by Damodar Valley Corporation across the Barakar River in 1953. It is 366 metres (1,201ft) long and 30.18 metres (99.0ft) high. The dam boasts of picturesque surroundings with a reservoir, which extends up to 36 sq km. Tilaiya hydel power station is located on the left bank of the Barakar. The structure is entirely of reinforced concrete. It has 2 generating units of 2 MW each. Tilaiya Dam is 20 kilometres (12mi) from Koderma Railway Station. Barhi on NH 2 is 17 kilometres (11mi) away. While Tilaiya Dam is off the Patna-Ranchi highway (NH 31), the latter passes along the reservoir.
