Tilaiya Dam, Koderma, Jharkhand India

It is the first Dam and hydro Electric power station constructed by Damodar Valley Corporation across Barakar River, in Koderma district. The dam is 1200 ft long and 99 ft high situated in an ideal surrounding with a beautiful reservoir in 36 sq km area. Built with the main object of controlling floods, the hydro -electric station produces 4MW. The beautiful natural surroundings are the attraction to tourists. The main road from Barhi on G.T.road through reservoir and the hillocks is picturesque.

The Tilaiya Dam is a concrete gravity dam with a maximum height of 30.2 metres (99 ft) above the river bed. The spillway has 14 tainter type crest gates of 3.05 m x 9.1 m, with a maximum discharge capacity of 3852 m³/s. Two modified butterfly type under sluice gates 1m high and 1.7 m wide with a discharge capacity of 14.2 m³/s are provided in the body of the dam mainly to supply irrigation water during the dry season.