Idukki dam shutters to be opened today, water level in Mullaperiyar continues to rise


Representational image I Idukki dam | Photo: PR Sreejith

Idukki: The authorities has decided to lift one shutter of Cheruthoni dam of the Idukki reservoir on Sunday around 2 pm. The shutter will be raised to 40 cm for releasing 40000-litre water per second.

An orange alert has been sounded in Idukki dam. If the water level touches 2399.03 ft, a red alert will be sounded.

The officials have informed that there is no need for any concern. The authorities has decided to open the dam as the water level continues to rise in Mullaperiyar.

If Mullaperiyar dam’s spillway shutters are opened, more water will flow to Idukki dam. Hence, the authorities has decided to open Idukki dam for adjusting the water level.

Meanwhile, the district authorities has alerted people residing close to the Periyar basin to exercise caution.

As per the upper rule curve, the water capacity of the Idukki dam is 2400.03 ft. If rainfall strengthens, the dam shutters will be opened to release more water. Meanwhile, one of the generators of the powerhouse is under repair. The officials reported that it will be fixed by evening.

The water level in Mullaperiyar dam rose to 140 feet. Following this, the shutters of the dam will be opened in the next 24 hours, Tamil Nadu informed Kerala.

There was heavy rainfall in the catchment areas of the dam since Saturday evening. As per the figures obtained since last night, over 4000 cubic feet water per hour flowed into the dam. When the water level touched 140 feet, Tamil Nadu warned Kerala.

The opening of dam shutters will be decided according to the rainfall in catchment areas. As per the figures till November 20, water storage in the dam can be upto 141 feet. It is learnt that the dam shutters will be opened shortly, if downpour continues. Meanwhile, the water level in Idukki dam rose to 2398.76 feet.

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