Residents to fund STP to save lake

Residents to fund  STP to save lake

To check the flow of sewage into the Kundalahalli lake, members of Whitefield Rising and United Way of Bengaluru have come together to raise Rs 2 crore to set up a decentralised waste water treatment system without help from the gover­n­ment.


Spread over 30 acres, the Kundalahalli lake is located near KR Puram in Bengaluru East. The study indicates that the lake is polluted by concentrated sewage from the catchment and stormwater drains. The stormwater carries urban litter, plastic and other solid wastes which are discharged into the lake.

Sewage enters the lake from eight inlets. Arvind Keerthi from Whitefield Rising told Deccan Herald that the sewage treatment plant would be underground and needs no electricity. It functions based on gravitational flow. In the first phase, the work on an STP, which is able to treat 750 KLD of water, will be ready by June.

“In the second phase, we will set up another treatment plant of a similar size. The recycled water will then be released into the lake,” he said. The cost will be borne by private individuals and corporates, he said.

The proposed design states that the waste water will be treated using a decentralised treatment system, which is a combination of different waste water treatment technologies. This STP requires minimal maintenance and desludging of the anaerobic tanks is required only once in two years.

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