Narmada Basin

The total basin area of the river is 97,410 square kilometer comprising 85,858 square kilometer in Madhya Pradesh, 1658 square kilometer in Maharashtra and 9894 square kilometer in Gujarat. The drainage area up to dam site is 88,000 square kilometer. The mean annual rainfall in the basin is 112 centimeters. The annual run of the dam site at 75 percentage of dependability is 27.22 MAF. The World Bank computed the yield of 28.57 MAF while the yield computed in May 1992 by the Central Water Commission, Government of India is of 26.60 MAF, i.e. about 27.00 MAF. The utilisation of Narmada River basin today is hardly about 10%. Thus water of the Narmada continue to flow to the sea unused.