What upgrades are happening to Bengaluru's sewage treatment plants?

Twenty existing sewage treatment plants in Bengaluru are undergoing rehabilitation to meet stricter environmental standards, including adding a tertiary treatment stage with disc filters.

When will the new sewage treatment plants in Bengaluru be operational?

The new sewage treatment plants being built to cater to growing urban settlements are expected to be operational by 2028.

What are the new environmental standards for treated water in Bengaluru?

New standards require reduced BOD levels to 10 mg/l, COD to 50 mg/l, total nitrogen capped at 10 mg/l, and total phosphorus at 1 mg/l, with pH between 6.5 and 8.5.

Home / Environment / Bengaluru's Sewage Overhaul: STPs Get Major Upgrade

Bengaluru's Sewage Overhaul: STPs Get Major Upgrade

25 Mar

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Summary

Twenty existing sewage treatment plants are being upgraded to meet stricter National Green Tribunal norms.
Rehabilitation includes adding a tertiary treatment stage with disc filters to improve water quality.
New STPs are being built to cater to growing urban settlements, expected by 2028.

Bengaluru's Sewage Overhaul: STPs Get Major Upgrade

Bengaluru's Water Supply and Sewerage Board (BWSSB) is enhancing its sewage treatment capacity through the rehabilitation of 20 existing STPs. These upgrades are vital for meeting the National Green Tribunal's stricter environmental standards set in 2018, which mandate significantly lower levels for BOD, COD, nitrogen, and phosphorus. The rehabilitation projects, costing approximately Rs 33.4 crore for seven plants, are scheduled for completion by the end of 2026.