 Supreme court judgment came on 27 February 2006, allowing Tamil Nadu to raise the level of the dam to after strengthening it.Responding to it, Mullaperiyaru dam was declared an 'endangered' scheduled dam by the Kerala Government under the disputed Kerala Irrigation and Water Conservation (Amendment) Act, 2006.For Tamil Nadu, the Mullaperiyar dam and the diverted Periyaru waters act as a lifeline for Theni, Madurai, Sivaganga and Ramnad districts, providing water for irrigation and drinking, and also for generation of power in Lower Periyaru Power Station.