Flow of sewage into Cooum to be controlled

First STP at Chetpet to be commissioned by October-end

Pollution in the urban stretch of the Cooum may be brought under control soon with one of the modular sewage treatment plants along the river likely to be commissioned by October-end as part of the Integrated Cooum River Eco Restoration Project.

Of the three modular STPs proposed at a total cost of ₹33.33 crore along the river, the facility at Chetpet with a capacity to treat one million litres of raw sewage daily is almost ready with the trial run going on. The ₹2.77-crore plant is one of the components of the project to restore the river.

Chennai Metropolitan Water Supply and Sewerage Board (CMWSSB) is setting up two more plants in the city with moving bed biofilm reactor (MBBR) technology. Officials said while work on a plant with a capacity to treat 1.2 million litres daily (MLD) at Choolaimedu would be completed by March next, the largest among the three at Langs Garden with a capacity to treat 10 MLD of sewage would be ready by June 2022.