Chennai, Aug. 20 -- In a first in its 91 year long history, the Mettur Dam, also called as Stanley Reservoir, the lifeline for farmers in Cauvery Delta districts for irrigation, attained its full level of 120 ft today for the fifth time this year following which water was released from the dam prompting the authorities to issue flood alert to those living in Cauvery river beds.

The was for the first time in the dam's history and for the first time in 68 years, the storage level has attained its full level for the fifth time in a single year.

It reached full level twice each in June and July and for the fifth time today, thanks to discharge of surplus waters in River Cauvery by Karnataka from its major reservoirs, the storage level fill...